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  • 1. Network Protocol Analyzers SNo Tool Tool Description Open Platform Functions Source ? 1 Nessus The premier Open Yes Windows Nessus is plug-in-based, has a GTK interface, and Source vulnerability *NIX performs over 1200 remote security checks. It allows assessment tool for reports to be generated in HTML, XML etc. If a host runs the same service twice or more, Nessus will test all of them. Nmap ("Network Mapper") is a free open source 2 NMap Network Mapper Yes Windows utility for network exploration or security auditing. It *NIX was designed to rapidly scan large networks, although Mac OS X it works fine against single hosts. Nmap uses raw IP tml more packets in novel ways to determine what hosts are available on the network, what services (application name and version) those hosts are offering, what operating systems (and OS versions) they are running, what type of packet filters/firewalls are in use, and dozens of other characteristics. Nmap runs on most types of computers and both console and graphical versions are available. It allows to examine data from a live network or from 3 Network Protocol Yes Windows a capture file on disk & can interactively browse the Ethereal Analyzer *NIX capture data, viewing summary for each packet. It includes a rich display filter language and the ability to view the reconstructed stream of a TCP session.
  • 2. GFI LANguard automatically detects security vulnerabilities on your network. It scans your entire 4 GFI LANguard Network Security No Windows network, IP by IP, and provides information such as Scanner service pack level of the machine, missing security patches, wireless access points, USB devices, open ports, services/applications active on the computer, key registry entries, weak passwords and more. It is also a complete patch management solution. It can be used to print out the headers of packets on a 5 TCPDump / WinDump The classic sniffer Yes Windows network interface that matches a given expression. for network *NIX You can use this tool to track down network monitoring and data problems or to monitor network activities. Tcpdump acquisition. is a wellknown text-based network packet analyzer. If the TCP/IP sessions are "hanging," EtherPeek can 6 EtherPeek Ethernet network No Windows show you which system sent the last packet, and traffic and protocol which system failed to respond. If you are analyzer experiencing slow screen updates, EtherPeek can display delta time stamps and show which system is waiting for packets, and which system is slow to respond. 7 Retina Retina discovers networked devices – through wired Commertial No Windows and wireless connections – and will identify which etina/index.html vulnerability operating systems, applications, databases and assessment scanner wireless access points are present. Any unauthorized applications, such as P2P, malware, will be detected and identified. 8 NetCat The network swiss No Windows A simple Unix utility which reads and writes data army knife *NIX across network connections, using TCP or UDP / protocol.
  • 3. Network User Interface. It is Cheops Organizes network by mapping which shows 9 designed to be the the routes taken to access area of your network, Cheops network equivalent Yes Linux detects OS running on each system. of a swiss-army Has a generalized TCP port scanner. knife, unifying your network utilities. 1. Network management tool for mapping and Next generation monitoring your network 10 Cheops-ng Cheops – The 2. It has host/network discovery functionality as network Swiss Army Yes Linux well as OS detection of hosts Knife. 3. On some services, cheops-ng is actually able to see what program is running for a service and the version number of that program 11 DSniff Dsniff, Filesnarf, mailsnarf, msgsnarf, urlsnarf & A Collection of tools Yes Windows webspy are the tools used to monitor a network for for network auditing *NIX interesting data. Arpspoof, DNSpoof & Macof and penetration facilitate the interception of network traffic. dsniff/ testing. Advanced Research's philosophy relies heavily on SARA Security Auditor’s Windows software re-use. Rather than inventing a new module, 12 Research Assistant No *NIX SARA is adapted to interface to other community - The third Mac OS X products. For instance, SARA interfaces with the generation network popular NMAP package for superior "Operating security analysis tool System fingerprinting". Also, SARA provides a transparent interface to SAMBA for SMB security analysis. Network Sniffer / 13 EtterCap Interceptor for Windows Ettercap is a suite for man in the middle attacks on Ethernet LANs. Yes *NIX LAN. It features sniffing of live connections, content Mac OS X filtering on the fly and many other interesting tricks.
  • 4. Samspade was designed with tracking down Sam Spade Freeware Windows No Windows spammers in mind. It is also useful for many other 14 network query tool NT, 98, network exploration, administration, and security ml 2000 tasks. It includes tools such as ping, nslookup, whois, dig, traceroute, finger etc. User may select what level of the protocol stack to concentrate on. c You may either look at traffic within your EtherApe Graphical network Yes *NIX network, end to end IP, or even port to port TCP. 15 monitor for Unix n Data can be captured "off the wire" from a live bind/ network connection, or read from a tcpdump capture index.php/ file. f Live data can be read from ethernet, FDDI, PPP and SLIP interfaces. Hping2 assembles and sends custom A network probing Yes *NIX ICMP/UDP/TCP packets and displays any replies. It 16 Hping2 utility like ping on was inspired by the ping command, but offers far steroids more control over the probes sent. It has a handy traceroute mode and supports IP fragmentation. This tool is particularly useful for Firewall testing, Remote OS fingerprinting, TCP/IP stacks auditing and Advanced port scanning. 17 Super Scan Support for unlimited IP ranges. TCP SYN scanning. Powerful TCP port No Windows UDP scanning (two methods). Source port scanning. scanner, pinger, A selection of useful tools (ping, traceroute, Whois ? resolver. etc). Extensive Windows host enumeration capability. subnav=resources/navigation.htm&su bcontent=/resources/proddesc/supersc an.htm
  • 5. 18 Fragroute IDS systems' worst Yes Windows Fragroute intercepts, modifies, and rewrites egress nightmare Linux traffic, implementing most of the attacks described in BSDs the Secure Networks IDS Evasion paper SAINT detect and fix possible weaknesses in the Security No *NIX network’s security before they can be exploited by 19 SAINT Administrator's intruders. Anticipate & prevent common system Integrated vulnerabilities. SAINTwriter software allows network Network Tool administrators to design and generate vulnerability ucts/saint_engine.html assessment reports quickly and easily. Fport reports all open TCP/IP and UDP ports and Fport Foundstone's Windows maps them to the owning application. This is the 20 enhanced netstat same as 'netstat -an' command, but it also maps those ports to running processes with the PID, process ? name and path. Fport can be used to quickly identify subnav=resources/navigation.htm&su unknown open ports and their associated applications. bcontent=/resources/proddesc/ m 21 Tcptraceroute Traceroute implementation Yes Linux By sending out TCP SYN packets instead of UDP or using TCP packets. ICMP ECHO packets, tcptraceroute is able to bypass oute/ the most common firewall filters. 22 IpTraf Gathers a variety of figures such as TCP connection IP Network Yes Linux packet and byte counts, interface statistics and Monitoring Software activity indicators, TCP/UDP traffic breakdowns, and LAN station packet and byte counts. or/IPTraf.html
  • 6. Ntop shows network usage. In interactive mode, it A network traffic No Windows displays the network status on the user's terminal. In 23 NTop usage monitor *NIX Web mode, it acts as a Web server, creating an HTML dump of the network status. It sports a NetFlow/sFlow emitter/collector, an HTTP-based client interface for creating ntop-centric monitoring applications, and RRD for persistently storing traffic statistics. 24 Solar Winds A plethora of SolarWinds has created and sells dozens of special- network discovery / No Windows purpose tools targetted at systems administrators. Tool Sets monitoring / attack Security related tools include many network tools discovery scanners and an SNMP brute-force cracker. Ngrep is a pcap-aware tool that will allow you to specify extended regular or hexadecimal expressions 25 Ngrep A pcap-aware tool Yes Windows to match against data payloads of packets. It currently *NIX recognizes TCP, UDP, ICMP, IGMP and Raw protocols across Ethernet, PPP, SLIP, FDDI, Token ngrep/ Ring & 802.11 and understands bpf filter logic in the same fashion as more common packet sniffing tools, such as tcpdump and snoop. Snort is capable of performing real-time traffic A free intrusion Yes Windows analysis and packet logging on IP networks. It can 26 Snort detection system *NIX perform protocol analysis, content (IDS) searching/matching and can be used to detect a variety of attacks and probes, such as buffer overflows, stealth port scans, CGI attacks etc.
  • 7. 27 Arpwatch Ethernet monitor Yes Windows Written in C. program. Linux Keeps track of ethernet/ip address pairings and can detect certain monkey business • tcpprep - multi-pass pcap file pre-processor which determines packets as client or server and creates cache files used by tcpreplay and tcprewrite. It provides the 28 Tcpreplay ability to use Yes *NIX • tcprewrite - pcap file editor which rewrites previously captured TCP/IP and Layer 2 packet headers traffic in libpcap format to test a • tcpreplay - replays pcap files at arbitrary variety of network speeds onto the network devices • tcpbridge - bridge two network segments with the power of tcprewrite Netfilter is a powerful packet filter which is kernel packet Yes Linux implemented in the standard Linux kernel. The 29 Net Filter filter/firewall userspace iptables tool is used for configuration. It now supports packet filtering and packet mangling. Netfilter allows kernel modules to register callback functions with the network stack. Firewalk employs traceroute-like techniques to Advanced trace Yes *NIX analyze IP packet responses to determine gateway 30 Zirewalk route ACL filters and map networks. It is an active reconnaissance network security tool that attempts to determine what layer 4 protocols a given IP firewalk/ forwarding device will pass. Firewalk works by sending out TCP or UDP packets with a TTL one greater than the targeted gateway.
  • 8. Hunt can watch TCP connections, intrude into them, An advanced packet No Linux or reset them. Hunt is meant to be used on _thernet, 31 Hunt sniffing and and has active mechanisms to sniff switched connection intrusion connections. Advanced features include selective tool ARP relaying and connection synchronization after attacks. 32 Fragroute Fragroute intercepts, modifies, and rewrites egress IDS systems' worst Yes Windows traffic. It features a simple ruleset language to delay, nightmare *NIX duplicate, drop, fragment, overlap, print, reorder, segment, source-route, or otherwise monkey with all groute/ outbound packets destined for a target host. This tool was written to test intrusion detection systems, firewalls, and basic TCP/IP stack behaviour. Ksniffer allows a user to watch all network 33 KSniffer A network traffic over any network interfaces connected to statistics collector, a host machine. It supports most TCP/IP i.e., Sniffer protocols and collects the number of packets as 1 well as the number of bytes for each protocol. Activity is displayed in terms of protocol, bytes/protocol, kbits/sec, packets/sec etc. ICQ Sniffer is a handy network utility to capture and log ICQ chat from computers within the same LAN. 34 Shadow Network Spy An ICQ Sniffer It supports messaging through ICQ server with format of plain text, RTF, or HTML. It is easy to run the Shadow Network Spy on any computer on your network. Click the start button to capture. It will record any conversation from any PC within the same LAN.
  • 9. 35 Pf The innovative Yes OpenBSD, Filters network packets packet filter in NetBSD, pf.html OpenBSD FreeBSD • Scans servers built practically on any platform. 36 Network Security Scanner Network No All • Because of a fully open (ActiveX-based) vulnerability scanner architecture any professional with knowledge of VC++, C++ Builder or Delphi may easily expand the capabilities of the Scanner. • Detailed scan session log in HTML, XML, PDF, RTF and CHM (compiled HTML) formats. • Instead of trying one host until it timeouts or replies, fping will send out a ping packet and A parallel ping Yes Linux move on to the next host in a round-robin fashion. 37 Fping scanning program. If a host replies, it is noted and removed from the list of hosts to check. If a host does not respond within a certain time limit and/or retry limit it will be considered unreachable. • Can be used in scripts and the output is easy to parse. 38 TCP Wrappers A classic IP-based Yes Solaris Can monitor and filter incoming requests for the access control and BSD SYSTAT, FINGER, FTP, TELNET, RLOGIN, RSH, dex.html logging mechanism EXEC, TFTP, TALK, and other network services. 39 Paketto Kerietso Extreme TCP/IP No Linux The Paketto Keiretsu is a collection of tools that use BSD new and unusual strategies for manipulating TCP/IP networks.They tap functionality within existing infrastructure and stretch protocols beyond what they e/paketto.html were originally intended for.
  • 10. 40 Stunnel Allows you to Yes Windows Stunnel can allow you to secure non-SSL aware encrypt arbitrary *NIX daemons and protocols (like POP, IMAP, LDAP, etc) TCP connections by having Stunnel provide the encryption, requiring inside SSL no changes to the daemon's code. A small daemon that creates virtual hosts on a Your own personal Yes Windows network. The hosts can be configured to run arbitrary 41 Honeyd Honeynet. Linux services, and their TCP personality can be adapted so BSD that they appear to be running certain versions of operating systems. Honeyd enables a single host to neyd/ claim multiple addresses on a LAN for network simulation. It is possible to ping the virtual machines, or to traceroute them. Any type of service on the virtual machine can be simulated according to a simple configuration file. It is also possible to proxy services to another machine rather than simulating them