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Latest posts
Last updated 10 months ago
How-to: Reversing and debugging ISAPI modules
10 months ago
Recently, I had the privilege to write a detailed analysis of CVE-2023-34362...
Fork off: Three ways to deal with forking processes
12 months ago
Have you ever tested a Linux application that forks into multiple processes...
Reverse engineering tricks: identifying opaque network protocols
12 months ago
Lately, I’ve been reverse engineering a reasonably complex network protocol, and I...
BSidesSF 2023 Writeups: id-me (easy file identification challenge)
about 1 year ago
id-me is a challenge I wrote to teach people how to determine...
BSidesSF 2023 Writeups: too-latte (medium-difficulty Java exploitation)
about 1 year ago
too-latte is a challenge I wrote based on CVE-2023-0669, which is an...
BSidesSF 2023 Writeups: Flat White (simpler Java reversing)
about 1 year ago
This is a write-up for flat-white and flat-white-extra-shot, which are easier Java...
BSidesSF 2023 Writeups: ROP Petting Zoo (educational challenge!)
about 1 year ago
ROP Petting Zoo is a challenge designed to teach the principles of...
BSidesSF 2023 Writeups: overflow (simple stack-overflow challenge)
about 1 year ago
Overflow is a straight-forward buffer overflow challenge that I copied from the...
BSidesSF 2023 Writeups: Get Out (difficult reverse engineering + exploitation)
about 1 year ago
This is a write-up for three challenges: getout1-warmup getout2-gettoken getout3-apply They are...
Blast from the Past: How Attackers Compromised Zimbra With a Patched Vulnerability
over 1 year ago
Last year, I worked on a vulnerability in Zimbra (CVE-2022-41352 - my...
GDB Tricks: Tricking the Application into Generating Test Data
over 1 year ago
While reverse engineering a Linux binary, I ran into a fairly common...
BSidesSF 2022 Writeups: Miscellaneous Challenges (loca, reallyprettymundane)
almost 2 years ago
Hey folks This is my (Ron's / iagox86's) author writeups for the...