This document discusses potential vulnerabilities related to autorun functionality and removable storage devices like USB drives on Linux systems. It notes that while Linux desktop environments don't automatically run scripts from removable devices, vulnerabilities could still exist in drivers and applications that handle connecting and accessing such devices. Specific vulnerabilities are identified in USB drivers, file system drivers, thumbnail generation applications, and external thumbnailer programs. Exploiting these could allow gaining root access or defeating full disk encryption from physical access to a system.
Information Computer Technology Handouts (Part I)ella dimaiwat
The document discusses system software and application software. System software includes operating systems and utility programs. The main functions of an operating system are to start and shut down the computer, provide a user interface, manage programs and memory, coordinate tasks, configure devices, establish internet connections, monitor performance, provide utilities, automatically update, control networks, and administer security. Utility programs allow users to perform maintenance tasks like file management, searching, uninstalling programs, disk cleanup, and backups. The document also discusses types of operating systems, functions of utility programs, categories of application software including business, graphics/multimedia, home/personal/educational, and communications software. It provides details on forms of application software and defines malware.
Kumar Setty gave a presentation on assessing UNIX security to IT and financial auditors. He discussed the objectives of educating auditors on UNIX risks and controls and how to conduct a risk assessment. The presentation covered UNIX history, advantages, and disadvantages. It provided an overview of how UNIX works and its file system. It also discussed common security risks like privileged accounts and files, and provided examples of assessing risks like examining root access, SUID/SGID permissions, and network security.
The document discusses setting up AIX Network Installation Management (NIM) to consistently install and maintain IBM AIX systems across four separate data centers. Key points:
- NIM allows centralized management of OS installations and clients from a master server using resources like software images, configuration files, and scripts.
- Resources like SPOTs, bosinst_data, and installp_bundles were customized for different machine types and environments to automate standard installations.
- Mksysbs and tapes were used to replicate the NIM master across disconnected data centers due to network security rules.
- A scenario outlines setting up a NIM master and using it to push an AIX 5.1 installation to
This document provides an introduction to the Linux kernel, including its main features and architecture. It discusses the kernel's portable, open source, multi-user nature and hierarchical file system. The document outlines the Linux versioning scheme and describes the kernel's main subsystems, including process management, memory management, the virtual file system, network stack, and system call interface. It explains how the kernel uses virtual memory to separate user space and privileged kernel space.
Linux is a freely distributed, complete operating system designed for PCs that takes advantage of PC architecture to provide performance comparable to high-end UNIX workstations. It refers to the Linux kernel and combination of libraries and tools from the GNU project. There are over 300 Linux distributions available that are supported by major corporations for servers and desktops. Linux originally developed for Intel 80386 CPUs but now supports various architectures.
This document discusses disk and file system concepts including:
- Creating file systems using newfs and how it connects to mkfs
- Mounting file systems manually, via fstab, and using volume manager
- Identifying mounted file systems using mount, df, and mnttab
- Repairing file systems using fsck and handling recoverable vs unrecoverable damage
- Benefits of journaling file systems like reduced reboot time and data retention
1. The document discusses different types of computer software, including system software and application software.
2. System software includes operating systems, utilities, device drivers, and BIOS, which help coordinate the activities of hardware and other programs. Popular operating systems discussed are Windows, Mac OS, and UNIX/Linux.
3. Application software performs specific tasks for users like word processing, spreadsheets, presentations, graphics, databases, communication, and multimedia. The document provides examples of common application software.
Linux Disaster Recovery Best Practices with rearGratien D'haese
The document discusses Linux disaster recovery best practices using the Relax and Recover (rear) tool. It recommends deciding on a disaster recovery strategy, including which backup mechanism and location to use. It provides details on using the NETFS backup type with rear to back up to network locations like NFS shares. It also discusses configuring rear by editing the /etc/rear/local.conf file to specify settings like the backup location, program, and options.
Information Computer Technology Handouts (Part I)ella dimaiwat
The document discusses system software and application software. System software includes operating systems and utility programs. The main functions of an operating system are to start and shut down the computer, provide a user interface, manage programs and memory, coordinate tasks, configure devices, establish internet connections, monitor performance, provide utilities, automatically update, control networks, and administer security. Utility programs allow users to perform maintenance tasks like file management, searching, uninstalling programs, disk cleanup, and backups. The document also discusses types of operating systems, functions of utility programs, categories of application software including business, graphics/multimedia, home/personal/educational, and communications software. It provides details on forms of application software and defines malware.
Kumar Setty gave a presentation on assessing UNIX security to IT and financial auditors. He discussed the objectives of educating auditors on UNIX risks and controls and how to conduct a risk assessment. The presentation covered UNIX history, advantages, and disadvantages. It provided an overview of how UNIX works and its file system. It also discussed common security risks like privileged accounts and files, and provided examples of assessing risks like examining root access, SUID/SGID permissions, and network security.
The document discusses setting up AIX Network Installation Management (NIM) to consistently install and maintain IBM AIX systems across four separate data centers. Key points:
- NIM allows centralized management of OS installations and clients from a master server using resources like software images, configuration files, and scripts.
- Resources like SPOTs, bosinst_data, and installp_bundles were customized for different machine types and environments to automate standard installations.
- Mksysbs and tapes were used to replicate the NIM master across disconnected data centers due to network security rules.
- A scenario outlines setting up a NIM master and using it to push an AIX 5.1 installation to
This document provides an introduction to the Linux kernel, including its main features and architecture. It discusses the kernel's portable, open source, multi-user nature and hierarchical file system. The document outlines the Linux versioning scheme and describes the kernel's main subsystems, including process management, memory management, the virtual file system, network stack, and system call interface. It explains how the kernel uses virtual memory to separate user space and privileged kernel space.
Linux is a freely distributed, complete operating system designed for PCs that takes advantage of PC architecture to provide performance comparable to high-end UNIX workstations. It refers to the Linux kernel and combination of libraries and tools from the GNU project. There are over 300 Linux distributions available that are supported by major corporations for servers and desktops. Linux originally developed for Intel 80386 CPUs but now supports various architectures.
This document discusses disk and file system concepts including:
- Creating file systems using newfs and how it connects to mkfs
- Mounting file systems manually, via fstab, and using volume manager
- Identifying mounted file systems using mount, df, and mnttab
- Repairing file systems using fsck and handling recoverable vs unrecoverable damage
- Benefits of journaling file systems like reduced reboot time and data retention
1. The document discusses different types of computer software, including system software and application software.
2. System software includes operating systems, utilities, device drivers, and BIOS, which help coordinate the activities of hardware and other programs. Popular operating systems discussed are Windows, Mac OS, and UNIX/Linux.
3. Application software performs specific tasks for users like word processing, spreadsheets, presentations, graphics, databases, communication, and multimedia. The document provides examples of common application software.
Linux Disaster Recovery Best Practices with rearGratien D'haese
The document discusses Linux disaster recovery best practices using the Relax and Recover (rear) tool. It recommends deciding on a disaster recovery strategy, including which backup mechanism and location to use. It provides details on using the NETFS backup type with rear to back up to network locations like NFS shares. It also discusses configuring rear by editing the /etc/rear/local.conf file to specify settings like the backup location, program, and options.
This document provides an overview of using jail(8) on FreeBSD to host virtual servers for an Internet Service Provider (ISP). It discusses how jail(8) isolates processes and users, similar to chroot but with additional network bindings. It also describes some of the technical and management challenges an ISP faces in scaling jail-based virtual hosting, such as monitoring disk/memory usage, restricting processes, and handling security issues like fork bombs. The document uses the example of iMeme, one of the first ISPs to extensively use jail(8) hosting, and how it addressed these challenges.
Relax and Recover (ReaR) is an open source bare metal disaster recovery solution for Linux (http://rear.sf.net). This session will introduce you to advanced Linux disaster recovery concepts and will feature a live demonstration on how to automatically recover a failed system with ReaR. Finally, this session will cover common best practice usage scenarios of ReaR and introduce you to basic setup and configuration for ReaR.
This seminar presentation provides an overview of UNIX, including its history, structure, commands, file structure, applications, and advantages/disadvantages. Specifically, it discusses how UNIX was developed in the 1960s and is now widely used. It describes UNIX's multi-user and multitasking capabilities, hierarchical file structure, and shell interface. Finally, it notes applications of UNIX across industries and its advantages like access control and portability, as well as potential disadvantages like software incompatibility.
This document provides an overview of UNIX memory management. It discusses the history of UNIX and how it evolved from earlier systems like Multics. It describes swapping as an early technique for virtual memory management in UNIX and how demand paging was later introduced. Key concepts discussed include page tables, page replacement algorithms like two-handed clock, and the kernel memory allocator.
Cfg2html is a UNIX shell script that gathers system information and combines it into HTML and text files. It provides system documentation for Linux, HP-UX, Solaris, AIX, and Brocade switches. Cfg2html is useful for system administrators and support teams. The source code is available on GitHub under the GPLv3 license. It collects configuration data through individual collector scripts and outputs comprehensive system reports.
The document discusses the history and future of virtual machines. It summarizes that virtual machines were originally developed in the 1960s for mainframe computers but fell out of favor. Modern virtualization technologies like VMware have enabled running multiple operating systems on commodity hardware simultaneously with good performance. The document outlines VMware's virtualization technology and products, and provides examples of how virtual machines can be used for testing, server consolidation, application compatibility, and security.
The document discusses the UNIX operating system. It defines UNIX as an interactive, reliable, multi-user operating system that optimizes hardware resources. Most bioinformatics software is written for UNIX. The document outlines the history and development of UNIX, its core components like the kernel and shell, common commands, and differences between UNIX variants like Linux, BSD, and SVR4.
BrainShare 2010 SLC - ELS306 Linux Disaster Recovery Made EasySchlomo Schapiro
The document discusses Linux disaster recovery solutions. It begins by describing different disaster recovery strategies for Linux systems, then discusses advantages of Linux for disaster recovery. It introduces the ReaR (Relax and Recover) open source disaster recovery tool, which uses disk imaging and file backups to easily restore a Linux system after a disaster. ReaR works with various backup software and supports creating bootable rescue media to restore a system. A demo of how ReaR performs disaster recovery is also provided.
The document provides an introduction to UNIX and Linux operating systems. It discusses what an operating system is and its main tasks like controlling hardware, running applications, and managing files and data. It then covers the history of UNIX, its characteristics, parts like the kernel and shell, flavors including open source like Linux and proprietary like Solaris, interfaces, and programming tools available in Linux.
Introduction to Linux Kernel by Quontra SolutionsQUONTRASOLUTIONS
Course Duration: 30-35 hours Training + Assignments + Actual Project Based Case Studies
Training Materials: All attendees will receive,
Assignment after each module, Video recording of every session
Notes and study material for examples covered.
Access to the Training Blog & Repository of Materials
Pre-requisites:
Basic Computer Skills and knowledge of IT.
Training Highlights
* Focus on Hands on training.
* 30 hours of Assignments, Live Case Studies.
* Video Recordings of sessions provided.
* One Problem Statement discussed across the whole training program.
* Resume prep, Interview Questions provided.
WEBSITE: www.QuontraSolutions.com
Contact Info: Phone +1 404-900-9988(or) Email - info@quontrasolutions.com
This document summarizes a presentation about desktop Linux. It includes an outline discussing what desktop Linux is, advantages like stability and free software, disadvantages like needing to fix problems yourself, and next steps like trying a bootable Linux DVD or attending a future workshop on installing Linux. The presentation was given by Dan FitzGerald from IBM to introduce attendees to using Linux as a desktop operating system.
This document provides an introduction to UNIX/Linux operating systems. It discusses what an operating system is and its main functions. It then covers the history of UNIX, its general characteristics, and popular flavors including Linux. The document outlines the main parts of UNIX like the kernel, shell, and utilities. It compares Linux and Windows and describes UMBC's computing environment including graphical and command line interfaces. Finally, it lists some common programming tools available under Linux.
The document introduces Linux distributions (distros) and covers their main features and how to install and use them. It discusses that Linux refers to the kernel as well as the whole operating system including user tools. It also summarizes that distros come in different versions for different users and needs, explains how to install distros from ISO images, discusses partitioning hard drives for dual-booting, and outlines key applications, hardware support, multimedia support, and package managers in Linux.
This document provides an overview of Linux and how to get started with it. It discusses Linux distributions such as CentOS and how to install them. It also covers using Linux for development and mentions popular integrated development environments that run on Linux. The document recommends starting with a virtual machine or live USB to try Linux without installing it permanently. It highlights low-cost hardware options for running Linux and lists various online resources for learning more about Linux.
This document provides instructions for installing Gentoo Linux. It begins with partitioning the disk using fdisk to create /boot, swap, and encrypted root partitions. The boot and root partitions are formatted with ext2 and ext4 respectively. The encrypted root partition is encrypted with cryptsetup/LUKS. The partitions are mounted and the system is chrooted into. Configuration files like make.conf are edited to optimize the system. Packages are then synced and updated using portage and emerge. Finally, GRUB is installed as the boot loader.
This document discusses operating systems and their core functions. It describes different types of operating systems including real-time, single-user/single-tasking, single-user/multitasking, and multi-user/multitasking. The key functions of operating systems are providing a user interface, running programs, managing hardware devices, and organizing file storage. Graphical user interfaces and command line interfaces are discussed. Utilities that enhance operating systems like backup software, anti-virus software, firewalls, and intrusion detection are also outlined.
The document discusses the benefits and process of building WinFE, a Windows forensic environment that can be run from RAM or a USB drive. Key points include that WinFE allows booting on x86 devices regardless of operating system, runs Windows compatible tools, and is highly customizable. The document provides detailed instructions on compiling WinFE using the Windows AIK and WinBuilder utility, including how to add drivers, copy files to USB, and use various forensic tools for encryption detection, imaging RAM and drives, and triage.
This document provides an overview of the Linux kernel boot process and kernel development. It discusses the BIOS boot process, the Master Boot Record (MBR), bootloaders like GRUB, how the kernel image gets loaded into memory, and the initial kernel initialization in real mode. It also covers kernel architecture, virtual memory initialization, and moving from real mode to protected mode. Additional topics include the Linux kernel source code tree, different kernel architectures, and kernel security issues.
This document provides an overview of using jail(8) on FreeBSD to host virtual servers for an Internet Service Provider (ISP). It discusses how jail(8) isolates processes and users, similar to chroot but with additional network bindings. It also describes some of the technical and management challenges an ISP faces in scaling jail-based virtual hosting, such as monitoring disk/memory usage, restricting processes, and handling security issues like fork bombs. The document uses the example of iMeme, one of the first ISPs to extensively use jail(8) hosting, and how it addressed these challenges.
Relax and Recover (ReaR) is an open source bare metal disaster recovery solution for Linux (http://rear.sf.net). This session will introduce you to advanced Linux disaster recovery concepts and will feature a live demonstration on how to automatically recover a failed system with ReaR. Finally, this session will cover common best practice usage scenarios of ReaR and introduce you to basic setup and configuration for ReaR.
This seminar presentation provides an overview of UNIX, including its history, structure, commands, file structure, applications, and advantages/disadvantages. Specifically, it discusses how UNIX was developed in the 1960s and is now widely used. It describes UNIX's multi-user and multitasking capabilities, hierarchical file structure, and shell interface. Finally, it notes applications of UNIX across industries and its advantages like access control and portability, as well as potential disadvantages like software incompatibility.
This document provides an overview of UNIX memory management. It discusses the history of UNIX and how it evolved from earlier systems like Multics. It describes swapping as an early technique for virtual memory management in UNIX and how demand paging was later introduced. Key concepts discussed include page tables, page replacement algorithms like two-handed clock, and the kernel memory allocator.
Cfg2html is a UNIX shell script that gathers system information and combines it into HTML and text files. It provides system documentation for Linux, HP-UX, Solaris, AIX, and Brocade switches. Cfg2html is useful for system administrators and support teams. The source code is available on GitHub under the GPLv3 license. It collects configuration data through individual collector scripts and outputs comprehensive system reports.
The document discusses the history and future of virtual machines. It summarizes that virtual machines were originally developed in the 1960s for mainframe computers but fell out of favor. Modern virtualization technologies like VMware have enabled running multiple operating systems on commodity hardware simultaneously with good performance. The document outlines VMware's virtualization technology and products, and provides examples of how virtual machines can be used for testing, server consolidation, application compatibility, and security.
The document discusses the UNIX operating system. It defines UNIX as an interactive, reliable, multi-user operating system that optimizes hardware resources. Most bioinformatics software is written for UNIX. The document outlines the history and development of UNIX, its core components like the kernel and shell, common commands, and differences between UNIX variants like Linux, BSD, and SVR4.
BrainShare 2010 SLC - ELS306 Linux Disaster Recovery Made EasySchlomo Schapiro
The document discusses Linux disaster recovery solutions. It begins by describing different disaster recovery strategies for Linux systems, then discusses advantages of Linux for disaster recovery. It introduces the ReaR (Relax and Recover) open source disaster recovery tool, which uses disk imaging and file backups to easily restore a Linux system after a disaster. ReaR works with various backup software and supports creating bootable rescue media to restore a system. A demo of how ReaR performs disaster recovery is also provided.
The document provides an introduction to UNIX and Linux operating systems. It discusses what an operating system is and its main tasks like controlling hardware, running applications, and managing files and data. It then covers the history of UNIX, its characteristics, parts like the kernel and shell, flavors including open source like Linux and proprietary like Solaris, interfaces, and programming tools available in Linux.
Introduction to Linux Kernel by Quontra SolutionsQUONTRASOLUTIONS
Course Duration: 30-35 hours Training + Assignments + Actual Project Based Case Studies
Training Materials: All attendees will receive,
Assignment after each module, Video recording of every session
Notes and study material for examples covered.
Access to the Training Blog & Repository of Materials
Pre-requisites:
Basic Computer Skills and knowledge of IT.
Training Highlights
* Focus on Hands on training.
* 30 hours of Assignments, Live Case Studies.
* Video Recordings of sessions provided.
* One Problem Statement discussed across the whole training program.
* Resume prep, Interview Questions provided.
WEBSITE: www.QuontraSolutions.com
Contact Info: Phone +1 404-900-9988(or) Email - info@quontrasolutions.com
This document summarizes a presentation about desktop Linux. It includes an outline discussing what desktop Linux is, advantages like stability and free software, disadvantages like needing to fix problems yourself, and next steps like trying a bootable Linux DVD or attending a future workshop on installing Linux. The presentation was given by Dan FitzGerald from IBM to introduce attendees to using Linux as a desktop operating system.
This document provides an introduction to UNIX/Linux operating systems. It discusses what an operating system is and its main functions. It then covers the history of UNIX, its general characteristics, and popular flavors including Linux. The document outlines the main parts of UNIX like the kernel, shell, and utilities. It compares Linux and Windows and describes UMBC's computing environment including graphical and command line interfaces. Finally, it lists some common programming tools available under Linux.
The document introduces Linux distributions (distros) and covers their main features and how to install and use them. It discusses that Linux refers to the kernel as well as the whole operating system including user tools. It also summarizes that distros come in different versions for different users and needs, explains how to install distros from ISO images, discusses partitioning hard drives for dual-booting, and outlines key applications, hardware support, multimedia support, and package managers in Linux.
This document provides an overview of Linux and how to get started with it. It discusses Linux distributions such as CentOS and how to install them. It also covers using Linux for development and mentions popular integrated development environments that run on Linux. The document recommends starting with a virtual machine or live USB to try Linux without installing it permanently. It highlights low-cost hardware options for running Linux and lists various online resources for learning more about Linux.
This document provides instructions for installing Gentoo Linux. It begins with partitioning the disk using fdisk to create /boot, swap, and encrypted root partitions. The boot and root partitions are formatted with ext2 and ext4 respectively. The encrypted root partition is encrypted with cryptsetup/LUKS. The partitions are mounted and the system is chrooted into. Configuration files like make.conf are edited to optimize the system. Packages are then synced and updated using portage and emerge. Finally, GRUB is installed as the boot loader.
This document discusses operating systems and their core functions. It describes different types of operating systems including real-time, single-user/single-tasking, single-user/multitasking, and multi-user/multitasking. The key functions of operating systems are providing a user interface, running programs, managing hardware devices, and organizing file storage. Graphical user interfaces and command line interfaces are discussed. Utilities that enhance operating systems like backup software, anti-virus software, firewalls, and intrusion detection are also outlined.
The document discusses the benefits and process of building WinFE, a Windows forensic environment that can be run from RAM or a USB drive. Key points include that WinFE allows booting on x86 devices regardless of operating system, runs Windows compatible tools, and is highly customizable. The document provides detailed instructions on compiling WinFE using the Windows AIK and WinBuilder utility, including how to add drivers, copy files to USB, and use various forensic tools for encryption detection, imaging RAM and drives, and triage.
This document provides an overview of the Linux kernel boot process and kernel development. It discusses the BIOS boot process, the Master Boot Record (MBR), bootloaders like GRUB, how the kernel image gets loaded into memory, and the initial kernel initialization in real mode. It also covers kernel architecture, virtual memory initialization, and moving from real mode to protected mode. Additional topics include the Linux kernel source code tree, different kernel architectures, and kernel security issues.
"Relax and Recover", an Open Source mksysb for Linux on PowerSebastien Chabrolles
This deck was presented during IBM systems technical university in London (2016).
Have you ever dreamed to have an "MKSYSB like" solution to quickly backup/restore your Linux on Power ? If the answer is YES, the opensource solution named Relax and Recover (ReaR) may be for you. Come to this session to learn more about how to implement and the capabilities of this solution through presentation and live demonstration.
Building Mini Embedded Linux System for X86 ArchSherif Mousa
Full tutorial to learn how to build your own embedded Linux system as a MiniOS for your X86 device (PC ...).
It's considered a good start for anyone to get into the field of Embedded Linux building and development.
Unix and Linux Common Boot Disk Disaster Recovery Tools by Dusan BaljevicCircling Cycle
The document discusses various common disaster recovery tools used in Unix and Linux systems. It describes tools such as mksysb and NIM for AIX, make_tape_recovery and make_net_recovery for HP-UX, and Mondo Rescue and Clonezilla for Linux. It provides an overview of these tools' capabilities and limitations, how they can be used to back up systems to tape drives or over the network, and examples of commands to perform backups and restores.
The document summarizes a presentation on the history and usage of Linux. It discusses:
- The dominance of proprietary operating systems in the 1960s-1970s and the motivation to create a free and open-source alternative called UNIX.
- How Linus Torvalds began developing Linux in 1991 based on UNIX to create a free academic version, gradually adding features over several years.
- Key advantages of Linux including being free, portable, scalable, and having short debug times. Some perceived disadvantages are too many distributions and being difficult to learn for newcomers.
- An overview of common Linux installation methods, partitioning disks, hardware configuration, and bootloaders like LILO that help Linux systems start
This document provides an overview of Linux basics including the kernel, shell, filesystem hierarchy, run levels, and booting procedure. It also describes common Linux commands for text processing, archives/compression, and system states. The key components of the Linux system covered are the BIOS, MBR, GRUB bootloader, kernel, init process, and runlevel programs. File system types like Ext2, Ext3, and Ext4 are also summarized.
The document provides an introduction to operating systems, covering their basic functions and components. It discusses how operating systems manage hardware resources and provide abstraction for applications. The key components described include the kernel, drivers, utilities, and applications/processes. It also covers process scheduling, file systems, APIs/system calls, memory management, and popular operating systems like IBM z/OS, IBM i, and OpenVMS.
Linux is well-suited for forensic investigations due to its free and open-source tools, flexible environment, and ability to access low-level interfaces. However, its tools are more complicated to use than commercial packages and typically lack technical support. Linux distributions use a directory tree with essential directories like /bin, /etc, /home, and /var. Important commands provide information on processes, network connections, and disk usage. The Linux boot process involves the BIOS, boot loader, kernel initialization, and starting of processes at designated run levels.
The document provides an introduction to operating systems, kernels, shells, Linux, and the differences between Linux and Windows. It discusses that an operating system consists of system software that acts as an intermediary between the user and computer hardware. The kernel is the core of the operating system and constantly runs, while the shell provides an interface between the user and kernel. It then covers Linux features such as being open source, modular, offering choices of desktop environments, and being portable. It also compares Linux and Windows in areas such as licensing, market share, filesystems, installation, and configuration.
This document discusses operating systems and computer security. It defines operating systems as software that coordinates activities between computer hardware resources. It describes common operating system functions like booting up a computer, managing memory, running programs, and connecting to networks. The document also discusses types of operating systems like DOS, Windows, and Linux. It notes that computer security is important to protect private information exchanged over the internet from hackers.
The document discusses the history and advantages of Linux compared to other operating systems like Windows, DOS and UNIX. It explains how the GNU project was started to develop a free and open source UNIX-like operating system. It then describes how Linus Torvalds developed the initial Linux kernel in 1991 building on the work of the GNU project. It highlights some key advantages of Linux like high security, many available tools and the flexibility of the environment. It also provides a brief overview of some common Linux components like the kernel, shells, KDE/GNOME desktop environments and the directory structure.
The Deck: a portable, low-power, full-on penetrating testing and forensics system. The Deck runs on the BeagleBoard-xM and BeagleBone. It provides hundreds of security tools
This document provides an overview of Linux basics including the kernel, shell, filesystem hierarchy, run levels, and booting procedure. It describes key components like the kernel, shell, init process, and run level programs. It also explains basic commands for file management, text editing, archiving/compression, and system states. Formatting options and common filesystem types are outlined as well. The document is an introductory guide to core Linux concepts, components, and commands.
This document discusses hacking and forensics using small, low-power devices like the Beagleboard and Beaglebone. It describes choosing the Beagleboard as a platform due to its small size, low power usage, and features like built-in Ethernet and USB ports. It outlines selecting Ubuntu as the base OS and leveraging existing repositories to obtain forensics and hacking tools. It also covers building tools from source by either natively compiling on the device or cross-compiling from a desktop. The document demonstrates using udev rules to automatically mount external USB drives in read-only mode for forensics purposes when connected to a special USB hub. It concludes by discussing future directions like optimizing more packages and port
Similar to HES2011 - Jon Larimer - Autorun Vulnerabilities on Linux (20)
HES 2011 - Gal Diskin - Binary instrumentation for hackers - Lightning-talkHackito Ergo Sum
This document summarizes a lightning talk presentation about binary instrumentation using Intel's Pin tool. It introduces Pin as a dynamic binary instrumentation tool that can insert code into programs at runtime. It then discusses several applications of Pin like performance profiling, security tools for sandboxing and reversing, and academic uses. The document provides examples of using Pin APIs and also lists some alternative dynamic instrumentation engines. It encourages the audience to start using Pin and sharing tools they create with the community.
HES2011 - Jon Oberheide and Dan Rosenberg - StackjackingHackito Ergo Sum
This document discusses bypassing security protections provided by the grsecurity and PaX patchsets on Linux kernels. It begins with an introduction and agenda, then provides background on Linux kernel security issues over the past decade. The presentation notes that an arbitrary kernel write is a common exploitation primitive, but that this is insufficient to escalate privileges when protections like grsecurity/PaX are in place. It then introduces the concept of "stackjacking", where an attacker leverages kernel stack memory disclosures, which are common low severity vulnerabilities, along with an arbitrary kernel write to bypass grsecurity/PaX protections without needing to introduce new code or modify control flow.
HES2011 - Gabriel Gonzalez - Man In Remote PKCS11 for fun and non profitHackito Ergo Sum
This document discusses remotely using the Spanish National Electronic ID (DNIe) and potential attacks. It provides an introduction to the DNIe and describes a "Man in the Remote" (MiR) attack where an attacker is able to remotely access and use the functionalities of a DNIe card plugged into a different computer. It demonstrates how the attacker could achieve remote authentication and signing. It also discusses some potential solutions to prevent MiR attacks based on analyzing response times.
HES2011 - Sebastien Tricaud - Capture me if you canHackito Ergo Sum
The document discusses techniques for capturing network traffic and system logs to detect security incidents in large networks. It describes how to capture traffic using libpcap, nfqueue, and DAQ. It also discusses challenges like fragmentation and the need to decode protocols. For logs, it highlights weaknesses like signature-based detection and the importance of normalized, unconfigurable logs. It introduces CUDA and NetGPU for GPU-accelerated traffic processing and visualization tools like SecViz and Circos for analyzing large datasets. The conclusion emphasizes that visualization can help solve the problem of events getting lost in noise and overcome technical limitations of current detection approaches.
HES2011 - Eloi Vanderbeken - Hackito Ergo Sum CrackmeHackito Ergo Sum
This document is a presentation about a crackme called Hackito Ergo Sum. It discusses the various techniques used to protect the crackme, including a verification algorithm using RC4 encryption, instruction mutation, control flow graph obfuscation, encryption layers, direct native API calls, anti-debugging methods, and ways attackers could potentially break it such as bruteforcing the encryption key or reversing the encryption algorithm. The presentation concludes by thanking the audience and opening the floor for questions.
HES2011 - Aaron Portnoy and Logan Brown - Black Box Auditing Adobe ShockwaveHackito Ergo Sum
This document summarizes an approach to auditing the Adobe Shockwave file format and verifying vulnerabilities. It describes how the authors:
1) Encountered difficulties reversing the Shockwave memory manager using traditional debugging tools.
2) Developed a technique using dynamic binary instrumentation to hook the Shockwave file read function and search read buffers for fuzzed file data.
3) Further refined their approach by directly hooking the file read function in MSVCR71.dll, allowing the technique to be reused for other projects.
HES2011 - James Oakley and Sergey bratus-Exploiting-the-Hard-Working-DWARFHackito Ergo Sum
The document describes how DWARF bytecode, included in GCC-compiled binaries to support exception handling, can be exploited to insert trojan payloads. DWARF bytecode interpreters are included in the standard C++ runtime and are Turing-complete, allowing the bytecode to perform arbitrary computations by influencing program flow. A demonstration shows how DWARF bytecode can be used to hijack exceptions and execute malicious payloads without requiring native code.
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This document provides an overview of Ruby on Rails (RoR) from a code auditor's perspective. It discusses the MVC architecture that RoR uses and describes where the different components (model, view, controller) are typically located in a RoR application. It also discusses common things to look for when reviewing RoR code like user input validation, filters, migrations and more. Specific examples of issues found in Redmine and another open source project are also provided like a persistent XSS issue and information leak.
HES2011 - Raould Chiesa - Hackers Cybercriminals from Wargames to the Undergr...Hackito Ergo Sum
This document provides a summary of a presentation by Raoul Chiesa on cybercrime trends from the past to present. It discusses how hacking has evolved from curiosity-driven activities by bored teens to profit-motivated crimes by adults. Reasons for the rise of cybercrime include the increasing number of internet users and victims, economic incentives, availability of hacking tools, recruitment of inexperienced people, and lack of consequences. The presentation also notes how media portrayal has changed perceptions of who hackers are.
HES2011 - Richard Johnson - A Castle Made of Sand Adobe Reader X SandboxHackito Ergo Sum
The document discusses Adobe Reader's use of sandboxing to improve security. It provides background on past vulnerabilities in Adobe Reader and discusses the architecture of the Adobe Reader X sandbox. The sandbox isolates rendering code in a lower privileged process and uses a higher privileged broker process to validate and fulfill requests for system resources according to internal policy. The document outlines how to analyze the sandbox's security mechanisms, such as by determining the rights of processes, auditing the IPC mechanisms, and fuzzing the resource request validation.
HES2011 - Tarjei Mandt – Kernel Pool Exploitation on Windows 7Hackito Ergo Sum
This document discusses kernel pool exploitation on Windows 7. It begins with an introduction and overview of the kernel pool and its internals such as pool descriptors, free lists, and lookaside lists. It then covers attacks on the kernel pool and ways to harden it against exploitation, such as by modifying pool structures.
HES2011 - Yuval Vadim Polevoy – Money Is In The Eye Of The Beholder: New And ...Hackito Ergo Sum
The document discusses new and evolving ways that criminals steal money through digital means. It outlines how criminal operations have become more sophisticated and business-like, moving from individual hackers to organized underground companies. It describes various technical methods that are used, such as phishing, pharming, malware injections, and man-in-the-browser attacks to steal login credentials and hijack financial transactions. It also discusses how criminal groups set up complex international operations using mules, drop points, and covert channels to launder and cash out the stolen money without being detected. The document warns that security measures are catching up, but that criminals will continue adapting their methods, such as through screen scraping or new types of online games involving money.
The document discusses how software can be used to damage hardware through various techniques like overclocking, overvolting, overheating, and firmware flashing. It provides examples of how components like CPUs, RAM, graphics cards, hard drives, and BIOS can be permanently damaged by exploiting their software interfaces. The goal could be industrial espionage, terrorism, or other malicious motives like destroying a commercial rival's operations through an act of industrial cyber warfare.
Ocean lotus Threat actors project by John Sitima 2024 (1).pptxSitimaJohn
Ocean Lotus cyber threat actors represent a sophisticated, persistent, and politically motivated group that poses a significant risk to organizations and individuals in the Southeast Asian region. Their continuous evolution and adaptability underscore the need for robust cybersecurity measures and international cooperation to identify and mitigate the threats posed by such advanced persistent threat groups.
Your One-Stop Shop for Python Success: Top 10 US Python Development Providersakankshawande
Simplify your search for a reliable Python development partner! This list presents the top 10 trusted US providers offering comprehensive Python development services, ensuring your project's success from conception to completion.
Main news related to the CCS TSI 2023 (2023/1695)Jakub Marek
An English 🇬🇧 translation of a presentation to the speech I gave about the main changes brought by CCS TSI 2023 at the biggest Czech conference on Communications and signalling systems on Railways, which was held in Clarion Hotel Olomouc from 7th to 9th November 2023 (konferenceszt.cz). Attended by around 500 participants and 200 on-line followers.
The original Czech 🇨🇿 version of the presentation can be found here: https://www.slideshare.net/slideshow/hlavni-novinky-souvisejici-s-ccs-tsi-2023-2023-1695/269688092 .
The videorecording (in Czech) from the presentation is available here: https://youtu.be/WzjJWm4IyPk?si=SImb06tuXGb30BEH .
HCL Notes and Domino License Cost Reduction in the World of DLAUpanagenda
Webinar Recording: https://www.panagenda.com/webinars/hcl-notes-and-domino-license-cost-reduction-in-the-world-of-dlau/
The introduction of DLAU and the CCB & CCX licensing model caused quite a stir in the HCL community. As a Notes and Domino customer, you may have faced challenges with unexpected user counts and license costs. You probably have questions on how this new licensing approach works and how to benefit from it. Most importantly, you likely have budget constraints and want to save money where possible. Don’t worry, we can help with all of this!
We’ll show you how to fix common misconfigurations that cause higher-than-expected user counts, and how to identify accounts which you can deactivate to save money. There are also frequent patterns that can cause unnecessary cost, like using a person document instead of a mail-in for shared mailboxes. We’ll provide examples and solutions for those as well. And naturally we’ll explain the new licensing model.
Join HCL Ambassador Marc Thomas in this webinar with a special guest appearance from Franz Walder. It will give you the tools and know-how to stay on top of what is going on with Domino licensing. You will be able lower your cost through an optimized configuration and keep it low going forward.
These topics will be covered
- Reducing license cost by finding and fixing misconfigurations and superfluous accounts
- How do CCB and CCX licenses really work?
- Understanding the DLAU tool and how to best utilize it
- Tips for common problem areas, like team mailboxes, functional/test users, etc
- Practical examples and best practices to implement right away
For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2024/06/building-and-scaling-ai-applications-with-the-nx-ai-manager-a-presentation-from-network-optix/
Robin van Emden, Senior Director of Data Science at Network Optix, presents the “Building and Scaling AI Applications with the Nx AI Manager,” tutorial at the May 2024 Embedded Vision Summit.
In this presentation, van Emden covers the basics of scaling edge AI solutions using the Nx tool kit. He emphasizes the process of developing AI models and deploying them globally. He also showcases the conversion of AI models and the creation of effective edge AI pipelines, with a focus on pre-processing, model conversion, selecting the appropriate inference engine for the target hardware and post-processing.
van Emden shows how Nx can simplify the developer’s life and facilitate a rapid transition from concept to production-ready applications.He provides valuable insights into developing scalable and efficient edge AI solutions, with a strong focus on practical implementation.
In the rapidly evolving landscape of technologies, XML continues to play a vital role in structuring, storing, and transporting data across diverse systems. The recent advancements in artificial intelligence (AI) present new methodologies for enhancing XML development workflows, introducing efficiency, automation, and intelligent capabilities. This presentation will outline the scope and perspective of utilizing AI in XML development. The potential benefits and the possible pitfalls will be highlighted, providing a balanced view of the subject.
We will explore the capabilities of AI in understanding XML markup languages and autonomously creating structured XML content. Additionally, we will examine the capacity of AI to enrich plain text with appropriate XML markup. Practical examples and methodological guidelines will be provided to elucidate how AI can be effectively prompted to interpret and generate accurate XML markup.
Further emphasis will be placed on the role of AI in developing XSLT, or schemas such as XSD and Schematron. We will address the techniques and strategies adopted to create prompts for generating code, explaining code, or refactoring the code, and the results achieved.
The discussion will extend to how AI can be used to transform XML content. In particular, the focus will be on the use of AI XPath extension functions in XSLT, Schematron, Schematron Quick Fixes, or for XML content refactoring.
The presentation aims to deliver a comprehensive overview of AI usage in XML development, providing attendees with the necessary knowledge to make informed decisions. Whether you’re at the early stages of adopting AI or considering integrating it in advanced XML development, this presentation will cover all levels of expertise.
By highlighting the potential advantages and challenges of integrating AI with XML development tools and languages, the presentation seeks to inspire thoughtful conversation around the future of XML development. We’ll not only delve into the technical aspects of AI-powered XML development but also discuss practical implications and possible future directions.
Monitoring and Managing Anomaly Detection on OpenShift.pdfTosin Akinosho
Monitoring and Managing Anomaly Detection on OpenShift
Overview
Dive into the world of anomaly detection on edge devices with our comprehensive hands-on tutorial. This SlideShare presentation will guide you through the entire process, from data collection and model training to edge deployment and real-time monitoring. Perfect for those looking to implement robust anomaly detection systems on resource-constrained IoT/edge devices.
Key Topics Covered
1. Introduction to Anomaly Detection
- Understand the fundamentals of anomaly detection and its importance in identifying unusual behavior or failures in systems.
2. Understanding Edge (IoT)
- Learn about edge computing and IoT, and how they enable real-time data processing and decision-making at the source.
3. What is ArgoCD?
- Discover ArgoCD, a declarative, GitOps continuous delivery tool for Kubernetes, and its role in deploying applications on edge devices.
4. Deployment Using ArgoCD for Edge Devices
- Step-by-step guide on deploying anomaly detection models on edge devices using ArgoCD.
5. Introduction to Apache Kafka and S3
- Explore Apache Kafka for real-time data streaming and Amazon S3 for scalable storage solutions.
6. Viewing Kafka Messages in the Data Lake
- Learn how to view and analyze Kafka messages stored in a data lake for better insights.
7. What is Prometheus?
- Get to know Prometheus, an open-source monitoring and alerting toolkit, and its application in monitoring edge devices.
8. Monitoring Application Metrics with Prometheus
- Detailed instructions on setting up Prometheus to monitor the performance and health of your anomaly detection system.
9. What is Camel K?
- Introduction to Camel K, a lightweight integration framework built on Apache Camel, designed for Kubernetes.
10. Configuring Camel K Integrations for Data Pipelines
- Learn how to configure Camel K for seamless data pipeline integrations in your anomaly detection workflow.
11. What is a Jupyter Notebook?
- Overview of Jupyter Notebooks, an open-source web application for creating and sharing documents with live code, equations, visualizations, and narrative text.
12. Jupyter Notebooks with Code Examples
- Hands-on examples and code snippets in Jupyter Notebooks to help you implement and test anomaly detection models.
How to Interpret Trends in the Kalyan Rajdhani Mix Chart.pdfChart Kalyan
A Mix Chart displays historical data of numbers in a graphical or tabular form. The Kalyan Rajdhani Mix Chart specifically shows the results of a sequence of numbers over different periods.
Project Management Semester Long Project - Acuityjpupo2018
Acuity is an innovative learning app designed to transform the way you engage with knowledge. Powered by AI technology, Acuity takes complex topics and distills them into concise, interactive summaries that are easy to read & understand. Whether you're exploring the depths of quantum mechanics or seeking insight into historical events, Acuity provides the key information you need without the burden of lengthy texts.
Salesforce Integration for Bonterra Impact Management (fka Social Solutions A...Jeffrey Haguewood
Sidekick Solutions uses Bonterra Impact Management (fka Social Solutions Apricot) and automation solutions to integrate data for business workflows.
We believe integration and automation are essential to user experience and the promise of efficient work through technology. Automation is the critical ingredient to realizing that full vision. We develop integration products and services for Bonterra Case Management software to support the deployment of automations for a variety of use cases.
This video focuses on integration of Salesforce with Bonterra Impact Management.
Interested in deploying an integration with Salesforce for Bonterra Impact Management? Contact us at sales@sidekicksolutionsllc.com to discuss next steps.
Fueling AI with Great Data with Airbyte WebinarZilliz
This talk will focus on how to collect data from a variety of sources, leveraging this data for RAG and other GenAI use cases, and finally charting your course to productionalization.
Building Production Ready Search Pipelines with Spark and MilvusZilliz
Spark is the widely used ETL tool for processing, indexing and ingesting data to serving stack for search. Milvus is the production-ready open-source vector database. In this talk we will show how to use Spark to process unstructured data to extract vector representations, and push the vectors to Milvus vector database for search serving.
HES2011 - Jon Larimer - Autorun Vulnerabilities on Linux
1. USB Autorun attacks against Linux
Hackito Ergo Sum 2011 / April 9 / Paris, France
jlarimer@us.ibm.com
Jon Larimer jlarimer@gmail.com
IBM X-Force Advanced R&D