Reverse Engineering 0x4 Fun

Reverse Engineering & Windows Internals.

Tuesday, August 13, 2019

Comodo Antivirus - Sandbox Race Condition Use-After-Free (CVE-2019-14694)

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Hello, In this blogpost I'm going to share an analysis of a recent finding in yet another Antivirus, this time in Comodo AV. After read...
Tuesday, May 14, 2019

Panda Antivirus - Local Privilege Escalation (CVE-2019-12042)

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Hello, This blogpost is about a vulnerability that I found in Panda Antivirus that leads to privilege escalation from an unprivileged acco...
Saturday, April 6, 2019

Circumventing Windows Defender ATP's user-mode APC Injection sensor from Kernel-mode

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In this blogpost, I will share a simple technique to circumvent the check that was introduced in Windows 10 build 1809 to detect user-mode A...
Wednesday, March 27, 2019

Examining the user-mode APC injection sensor introduced in Windows 10 build 1809

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Yesterday I've read Microsoft's blog post about the new ATP kernel sensors added to log injection of user-mode APCs. That got me cur...
Tuesday, February 5, 2019

VirtualProtectEx to bypass ASLR : A specific case study

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More than a year ago, I developed a local privilege escalation exploit for a product (that I cannot disclose unfortunately) in which I had t...
Saturday, October 6, 2018

Flare-On 5 CTF - Challenge 12 Writeup

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Flare-on was a blast this year ! All challenges were great but I enjoyed solving the last one the most, although it was somewhat frustrating...
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Souhail Hammou
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