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Latest posts
Last updated 5 months ago
goto-zero: An extended intro to solving stack overflow CTF challenges
5 months ago
Hey all! My husband’s company recently did an internal (commercial) CTF, and...
BSidesSF 2024 Writeups: Turing Complete (Reversing / exploitation)
about 1 year ago
This is a write-up for turing-complete, turing-incomplete, and turing-incomplete64 from the BSides...
BSidesSF 2024 Writeups: Slay the Spider (A hard heap-overflow)
about 1 year ago
Slay the Spider is a Minesweeper-like game where the user and computer...
BSidesSF 2024 Writeups: Safer Streets (Web / reversing)
about 1 year ago
This is a write-up for Safer Streets. I apparently wrote this in...
BSidesSF 2024 Writeups: No Tools (A puzzling Bash challenge)
about 1 year ago
No Tools is a fairly simple terminal challenge, something for new players...
BSidesSF 2024 Writeups: Can’t Give In (CGI exploitation)
about 1 year ago
The premise of the three challenges cant-give-in, cant-give-in-secure, and cant-give-in-securer are to...
BSidesSF 2024 Writeups: Slay the Spider (A hard heap-overflow)
about 1 year ago
Slay the Spider is a Minesweeper-like game where the user and computer...
BSidesSF 2024 Writeups: Can’t Give In (CGI exploitation)
about 1 year ago
The premise of the three challenges cant-give-in, cant-give-in-secure, and cant-give-in-securer are to...
BSidesSF 2024 Writeups: No Tools (A puzzling Bash challenge)
about 1 year ago
No Tools is a fairly simple terminal challenge, something for new players...
BSidesSF 2024 Writeups: Turing Complete (Reversing / exploitation)
about 1 year ago
This is a write-up for turing-complete, turing-incomplete, and turing-incomplete64 from the BSides...
BSidesSF 2024 Writeups: Safer Streets (Web / reversing)
about 1 year ago
This is a write-up for Safer Streets. I apparently wrote this in...
Reverse engineering tricks: identifying opaque network protocols
about 2 years ago
Lately, I’ve been reverse engineering a reasonably complex network protocol, and I...