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A collaborative hacker blog

Published on
Dec 5, 2025
Name
vmfunc
i cracked a $200 software protection in a day with xcopy
reversing
reverse engineering a $200 commercial protection system, only to discover they protected the installer instead of the software. the crack is copying files.
Read more →
Published on
Sep 15, 2025
Name
speep
CTF Write-up: BlackBox (misc)
CTF Write-ups
dumping avr/atmega328/arduino firmware, pure static analysis, speed ctf solve, xor crib dragging over ciphertext with known plaintext attack, cyberchef
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Published on
Sep 9, 2025
Name
chstx64
CTF Write-up: Pyjail (misc)
CTF Write-ups
Bypassing eval-based restrictions, reconstructing forbidden strings, escaping a builtins blacklist, and exploiting memory manipulation to defeat privilege dropping and read the flag.
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Published on
Sep 9, 2025
Name
chstx64
CTF Write-up: Slippy (Web)
CTF Write-ups
Walkthrough of the Slippy web challenge — abusing symlink extraction in ZIP uploads to escape the sandbox and retrieve the flag.
Read more →

i cracked a $200 software protection in a day with xcopy

CTF Write-up: BlackBox (misc)

CTF Write-up: Pyjail (misc)

CTF Write-up: Slippy (Web)