Debugging TV Frame 0x09
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This episode teaches how to catch data corruption using the combination of software and hardware breakpoints.
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Node.js is an open-source, cross-platform, back-end, JavaScript runtime environment that executes JavaScript code outside a web browser. Node.js lets developers use JavaScript to write command line tools and for server-side scripting—running scripts server-side to produce dynamic web page content before the page is sent to the user's web browser. Consequently, Node.js represents a "JavaScript everywhere" paradigm,[6] unifying web-application development around a single programming language, rather than different languages for server- and client-side scripts.
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NTUSTxTDOH 資訊安全基礎工作坊 基礎逆向教育訓練
簡易入門基礎逆向需要的觀念
入門解析ROP、Buffer Overflow、CRT、Fuzzing
Slide中的練習題目&Source Code：
https://github.com/aaaddress1/NTUSTxTDOH-Reversing-Game
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Lecture slides that I used in Advanced Information Security Summer School (AIS3, 2016 & 2018) in Taiwan. https://ais3.org/
台湾の高度セキュリティ人材育成プログラム(AIS3, 2016/2018)の講義で利用した講義資料です。
Semtex.c [CVE-2013-2094] - A Linux Privelege Escalation
Agenda:
A Linux local privilege escalation - the sign was there.
Speaker:
Gil Yankovitch, CEO, Chief Security Researcher from nyx security solutions
NYU hacknight, april 6, 2016
Linux has this great tool called strace, on OSX there’s a tool called dtruss - based on dtrace. Dtruss is great in functionality, it gives pretty much everything you need. It is just not as nice to use as strace. However, on Linux there is also ltrace for library tracing. That is arguably more useful because you can see much more granular application activity. Unfortunately, there isn’t such a tool on OSX. So, I decided to make one - albeit a simpler version for now. I called it objc_trace.
Realization of an 8 bit pipelined microprocessor in verilog hdl
The International Institute for Science, Technology and Education (IISTE) Journals Call for paper http://www.iiste.org/Journals
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The document provides an introduction to pwn, which refers to fully controlling another person's device by exploiting vulnerabilities. It discusses what pwn is, how to infiltrate systems, common exploitation techniques like buffer overflows, and gives an example lab outline. The key points are that pwn involves using exploits to gain unauthorized access and control of servers by leveraging bugs in binaries or logic flaws. Common vulnerabilities include unfiltered user input, array index errors, and logical flaws.
Software to the slaughter
An introduction to exploit development.
I gave this talk at Hack the North 2014, and most of this information is pulled out of classics like Smashing the Stack for Fun and Profit, so there shouldn't be anything novel in here.
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1) Using printk statements to output debugging messages from within the kernel.
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3) Adding entries to /proc filesystem for additional output.
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如果您处于以下几种情况：
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◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
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颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
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14th Edition of International conference on computer vision
Computer conferences organized by ScienceFather group. ScienceFather takes the privilege to invite speakers participants students delegates and exhibitors from across the globe to its International Conference on computer conferences to be held in the Various Beautiful cites of the world. computer conferences are a discussion of common Inventions-related issues and additionally trade information share proof thoughts and insight into advanced developments in the science inventions service system. New technology may create many materials and devices with a vast range of applications such as in Science medicine electronics biomaterials energy production and consumer products.
Nomination are Open!! Don't Miss it
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USF硕士毕业证成绩单【微信95270640】一比一伪造旧金山大学文凭@假冒USF毕业证成绩单+Q微信95270640办理USF学位证书@仿造USF毕业文凭证书@购买旧金山大学毕业证成绩单USF真实使馆认证/真实留信认证回国人员证明
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国外毕业证学位证成绩单办理方法：
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2开始安排制作毕业证成绩单电子图；
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6快递给客户（国内顺丰国外DHLUPS等快读邮寄）。
教育部文凭学历认证认证的用途：
如果您计划在国内发展那么办理国内教育部认证是必不可少的。事业性用人单位如银行国企公务员在您应聘时都会需要您提供这个认证。其他私营 #外企企业无需提供！办理教育部认证所需资料众多且烦琐所有材料您都必须提供原件我们凭借丰富的经验帮您快速整合材料让您少走弯路。
实体公司专业为您服务如有需要请联系我: 微信95270640奈一次次令他失望山娃今年岁上五年级识得很多字从走出小屋开始山娃就知道父亲的家和工地共有一个很动听的名字——天河工地的底层空空荡荡很宽阔很凉爽在地上铺上报纸和水泥袋父亲和工人们中午全睡在地上地面坑坑洼洼山娃曾多次绊倒过也曾有长铁钉穿透凉鞋刺在脚板上但山娃不怕工地上也常有五六个从乡下来的小学生他们的父母亲也是高楼上的建筑工人小伙伴来自不同省份都操着带有浓重口音的普通话可不知为啥山娃不仅很快与他们熟识了
INTRODUCTION TO AI CLASSICAL THEORY TARGETED EXAMPLES
Image: Include an image that represents the concept of precision, such as a AI helix or a futuristic healthcare
setting.
Objective: Provide a foundational understanding of precision medicine and its departure from traditional
approaches
Role of theory: Discuss how genomics, the study of an organism's complete set of AI ,
plays a crucial role in precision medicine.
Customizing treatment plans: Highlight how genetic information is used to customize
treatment plans based on an individual's genetic makeup.
Examples: Provide real-world examples of successful application of AI such as genetic
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Importance of molecular diagnostics: Explain the role of molecular diagnostics in identifying
molecular and genetic markers associated with diseases.
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potential misuse of genetic information.
• Regulations and guidelines: Present examples of ethical guidelines and regulations in place to safeguard
patient rights.
• Visuals: Include images or icons representing ethical considerations.
Content:
• Ethical issues: Examine ethical concerns related to precision medicine, such as privacy, consent, and
potential misuse of genetic information.
• Regulations and guidelines: Present examples of ethical guidelines and regulations in place to safeguard
patient rights.
• Visuals: Include images or icons representing ethical considerations.
Content:
• Ethical issues: Examine ethical concerns related to precision medicine, such as privacy, consent, and
potential misuse of genetic information.
• Regulations and guidelines: Present examples of ethical guidelines and regulations in place to safeguard
patient rights.
• Visuals: Include images or icons representing ethical considerations.
Real-world case study: Present a detailed case study showcasing the success of precision
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Debugging TV Frame 0x09
- 1. Frame 0x09 Presenter: Dmitry Vostokov Sponsors Debugging.TV
- 2. • Catching data corruption • Software and hardware breakpoints • Breakpoint strategy • Disabling and enabling breakpoints Topics © 2012 DumpAnalysis.org + TraceAnalysis.org
- 3. // Worker thread periodically writes a command to a controller // The controller is implemented as an address in memory // Corruption of controller memory value is modelled as an exception DWORD WINAPI WorkItemNormal(LPVOID lpParameter) { Controller = COMMAND; while(1) { Sleep(WAIT); if (Controller != COMMAND) { RaiseException(0xBADC, 0, 1, (const ULONG_PTR *)&Controller); } Controller = COMMAND; // we remember the address of this instruction } } Data Corruption © 2012 DumpAnalysis.org + TraceAnalysis.org
- 4. // Enable hardware write access breakpoint DWORD WINAPI WorkItemNormal(LPVOID lpParameter) { Controller = COMMAND; // expect a breakpoint hit here, ignore while(1) { Sleep(WAIT); if (Controller != COMMAND) { RaiseException(0xBADC, 0, 1, (const ULONG_PTR *)&Controller); } // Disable hardware write access breakpoint, ignore Controller = COMMAND; // Enable hardware write access breakpoint, resume } } Breakpoint Strategy © 2012 DumpAnalysis.org + TraceAnalysis.org
- 5. 0:001> ba w4 Controller 0:001> bp MixedBreakpoints!WorkItemNormal+0x4a “bd 0; t“ * disable, skip 0:001> u MixedBreakpoints!WorkItemNormal+0x4a MixedBreakpoints!WorkItemNormal+0x4a: 00000001`3fe414ea c705ecaa000010000000 mov dword ptr [MixedBreakpoints!Controller (00000001`3fe4bfe0)],10h 00000001`3fe414f4 ebbd [...] 0:001> bp 00000001`3fe414f4 “be 0; g“ * enable, resume 0:001> bl 0 e 00000001`3f03bfe0 w 4 0001 (0001) 0:**** MixedBreakpoints!Controller 1 e 00000001`3f0314ea 0001 (0001) 0:**** MixedBreakpoints!WorkItemNormal+0x4a "bd 0; t" 2 e 00000001`3f0314f4 0001 (0001) 0:**** MixedBreakpoints!WorkItemNormal+0x54 "be 0; g" 0:001> g; g * we skip the first write Breakpoint 0 hit Breakpoint 0 hit MixedBreakpoints!WorkItemDefect+0x12: 00000001`3fdc1512 33c0 xor eax,eax 0:002> k Child-SP RetAddr Call Site 00000000`02f8fda8 00000000`02f8fdb0 00000000`76d5c521 kernel32!BaseThreadInitThunk+0xd 00000000`02f8fde0 00000000`00000000 ntdll!RtlUserThreadStart+0x1d Debugger Output © 2012 DumpAnalysis.org + TraceAnalysis.org
- 6. Commands © 2012 DumpAnalysis.org + TraceAnalysis.org ba – set hardware access breakpoint bp – set software code breakpoint bl – list breakpoints bd – disable breakpoint be – enable breakpoint t - trace one instruction
- 7. !Ad Hardcore Technical Support Training © 2012 DumpAnalysis.org + TraceAnalysis.org Advanced Windows Memory Dump Analysis Accelerated Windows Memory Dump AnalysisApril 11-16, 2012: April 20-23, 2012: Training Schedule Accelerated Software Trace AnalysisApril 27-30, 2012: Accelerated Mac OS X Core Dump Analysis Forthcoming: Linux Core Dump Analysis Introduction to Software Narratology (free)April 2, 2012:
- 8. Debugging.TV