@0xud2

papers and crimes against software. est. 2023

 Christmas Island
ud2.rip/members
Joined July 2024
  • Tweets13
  • Following20
  • Followers1.7K
8Media
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ud2 ⛧@0xud2Jun 9
a game's "Authoritative Game Coordinator" was neither. its homemade crypto fell to a DIY supercomputer, and the rewrite left a different door open. by @__alula writeup below.
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ud2.rip/blog/towerunite
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Top 20 worldwide with social-engineering and a cheat that's still undetected. by @mfd and @vmfunc link down below.
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ud2.rip/blog/vsrg

Top 20 worldwide with social-engineering and a cheat that's still undetected

how we used math, reinforcement learning, and social engineering to build a universal rhythm game cheat, climb to top 20 worldwide, and get banned without ever being detected.

ud2.rip
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ud2 ⛧ retweeted
celeste
@vmfunc31 Dec 2025
NEW YEARS PARTY TONIGHT. @VIVARIUMSF DOORS OPEN @ 10PM
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i cracked a $200 software protection in a day with xcopy, by @vmfunc link below
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ud2.rip/blog/enigma-protecto…
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blackbox, by @x86nullptr out now on da zine [ud2] [dot] [rip]
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TFC 2025 writeups available now, courtesy of @chstx64
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ud2.rip/blog/pijail

CTF Write-up: Pyjail (misc)

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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(gdb) set {char[28]} caption = "2025: patched in more friends" (gdb) call (void)ud2::patch(&crew, &new_friends) (gdb) printf "linked: %d\n", crew.count
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