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Program analysis, verification and security
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Sean Heelan's Blog | Program analysis, verification and security | seanhn.wordpress.com Reviews
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Program analysis, verification and security
January 2015 – ClevCode
http://www.clevcode.org/2015/01
Vulnerability Research, Exploit Development, Reverse-Engineering. Joshua J. Drake. 31C3 CTF: Maze write-up. If I hadn’t been so sleepy/off during large parts of the CTF, I would probably have been able to score a bit more. Greets to capsl for brainstorming about the potential ROP-scenarios btw! To make this write-up more useful for people that want to learn, I have tried to make it quite detailed. The information for the challenge was:. Where do you want to go (today)? Where do you want to go (today)?
Some random thoughts for exploration...: Dynamic taint analysis
http://getnewideas.blogspot.com/2012/05/dynamic-taint-analysis.html
Some random thoughts for exploration. Some thoughts for random exploration. May 11, 2012. All You Ever Wanted to Know About Dynamic. Wwwece.cmu.edu/ ejschwar/papers/oakland10.pdf. Dynamic analysis. I. INTRODUCTION. A malware binary [7, 8, 65], explore trigger-. Based behavior [12,. Produced with their taint. Wwwandrew.cmu.edu/user/ppoosank/papers/dta -ndss11.pdf. The input for the offline. Phase is one or more. From a program that have been generated. Checksum-Aware Fuzzing Combined with Dynamic. Flayer:...
December 2011 – ClevCode
http://www.clevcode.org/2011/12
Vulnerability Research, Exploit Development, Reverse-Engineering. Joshua J. Drake. CanYouCrackIt.co.uk / GCHQ Challenge Solution Stage 3. The final stage of the GCHQ challenge was a small (5kB) x86 Windows/cygwin binary (available here. Analyzing it in IDA Pro, I could see that it expects a 24 byte license file with the following format:. Gchq" : Static header. Password : Eight character password, matching the DES-hash hqDTK7b8K2rvw (hq=salt). Key from stage 1 : 32-bit value. 67 63 68 71 = "gchq" */.
Team ClevCode – ClevCode
http://www.clevcode.org/team
Vulnerability Research, Exploit Development, Reverse-Engineering. Joshua J. Drake. Combined, we actually solved all levels in the competition. A feat managed by only the russian More Smoked Leet Chicken team, that is actually a merge of both the Leet More and Smoked Chicken teams. :) Since we had split up our team in two parts, and both parts managed to solve levels the other one didn’t, it turned out that both teams fell a bit short of qualifying in the end. In the Codegate finals we did very well on th...
May 2011 – ClevCode
http://www.clevcode.org/2011/05
Vulnerability Research, Exploit Development, Reverse-Engineering. Joshua J. Drake. PlaidCTF 2011 – 25 – PC Rouge – 600 pts. This is my writeup for the twenty-fifth challenge in the PlaidCTF 2011 competition. The information for the challenge was:. 8220;Amalgamated has banned the use of Solitaire due to loss of productivity. The only employee who would write a new game for everyone only likes ‘retro’ games, and has placed a text-adventure version of pacman on a company server. Help VALID COMMANDS: help/HE...
Codegate – ClevCode
http://www.clevcode.org/category/codegate
Vulnerability Research, Exploit Development, Reverse-Engineering. Joshua J. Drake. Codegate Quals 2012: Vuln 500. This is my writeup for the Vuln 500 challenge in the Codegate Quals 2012 competition. Movl %gs:0, %eax". Since my test program and the vulnerable programs are both linked to the same libraries, the addresses will be the same. The last address we need to determine is the address to the GOT-entry for stack chk fail():. R 386 JUMP SLOT. The final version of my exploit is as follows:.
February 2012 – ClevCode
http://www.clevcode.org/2012/02
Vulnerability Research, Exploit Development, Reverse-Engineering. Joshua J. Drake. Codegate Quals 2012: Vuln 500. This is my writeup for the Vuln 500 challenge in the Codegate Quals 2012 competition. Movl %gs:0, %eax". Since my test program and the vulnerable programs are both linked to the same libraries, the addresses will be the same. The last address we need to determine is the address to the GOT-entry for stack chk fail():. R 386 JUMP SLOT. The final version of my exploit is as follows:.
Home – ClevCode
http://www.clevcode.org/home
Vulnerability Research, Exploit Development, Reverse-Engineering. Joshua J. Drake. More about me, what I do and the services I offer:. Http:/ www.clevcode.org/about/. My CV is available here:. Http:/ www.clevcode.org/cv.pdf. Lately there has been a lot of attention about the Cicada 3301 puzzles, and my work on them, after this article:. The internet mystery that has the world baffled. For more information about Cicada 3301 and my solutions for the 2012 challenge, go to:. Proudly powered by WordPress.
gruba: IDA Pro 6.2 + Ubuntu 12.04 AMD64
http://gruba.blogspot.com/2012/05/ida-pro-62-ubuntu-1204-amd64.html
Sunday, May 06, 2012. IDA Pro 6.2 Ubuntu 12.04 AMD64. Installing IDA Pro on Linux (AMD64) can be a pain. In previous versions of Ubuntu what I had to do to achieve such task, is to build a IA32 chroot environment (following this. Guide). While effective, this is in my opinion not ideal. Fortunately, in the latest version of Ubuntu it is possible to install almost all the IA32 dependencies by hand following a simple scheme. Ldd idaq grep found. LibXext.so.6 = not found. Libfreetype.so.6 = not found. Dlope...
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A Certified Public Accountancy Firm. A Map of Our Location. Sean H. Moshiri- Certified Public Accountants. Our accounting offices are located conveniently in the beautiful Beverly Hills at. 9440 Santa Monica Blvd, Ste 505. Beverly Hills, CA 90210. You can reach us by phone at (310) 887-6111. Our fax number number is (310) 887-6115. A Map of Our Location. Farrokh Moshiri Educational and Consulting Services. And Fluid Blue theme.
Sean Heelan's Blog | Program analysis, verification and security
Sean Heelan's Blog. Program analysis, verification and security. December 5, 2012. August 1, 2015. A few months back I started Persistence Labs. With the goal of developing better tools for bug discovery, reverse engineering and exploit development. I’ve also moved my blog over to that domain and the new RSS feed is here. Published at ACSAC this year. It describes an approach to attack surface identification and code prioritisation during vulnerability auditing. Go check it out! July 27, 2012. The motiva...
Sean Ho's home page (seanho)
An article I wrote on. Science and the Bible. Published in CCM's Challenger magazine (back cover). Snapshots from my daily life. At the start of each class. Receiving Jesus Christ into your heart. I was a professor in Math/CS at. Here's my course material). My old research group:. I worked on IRIS, now called ITK-. Quickie self-portrait (Mar 2002). Endorsements: HTML 4.01.
About Sean Ho
Sean Hoade, Writer Of Things & Stuff | Try it. You'll like it.
Sean Hoade, Writer Of Things and Stuff. Try it. You'll like it. Folderol Adderall = SeanHoade.com! I am Sean Hoade,. Zombie expert, fiction writer, speaker, and dedicated Lovecraftian. So what be ye in the mood for? Or mayhap one of these delights? So many books for you I am having! How confident am I in my awesome books? So confident that Amazon.com (whom I love dearly, don’t get me wrong) said I was in violation of their Terms of Service for putting up samples that were TOO LONG! Enter your comment here.
Sean Hoade Brings You The World's Greatest Blog In The World | I'm a writer, editor, teacher, Lovecraftian, zombie expert, and so much more. Also, please visit me at SeanHoade.com, follow me on Twitter at @SeanHoade, and become my special friend
Sean Hoade Brings You The World's Greatest Blog In The World. I'm a writer, editor, teacher, Lovecraftian, zombie expert, and so much more. Also, please visit me at SeanHoade.com, follow me on Twitter at @SeanHoade, and become my special friend on Facebook at Facebook.com/HoadeWriter! Skip to primary content. Skip to secondary content. August 16, 2015. I leave tomorrow for my epic cross-country bus trip to promote. I guess I’m asking:. How are we doing? Continue reading →. August 16, 2015. Ahem Excuse me...
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