Writeups

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BambooFox CTF 2021

Flag Checker Tags: Verilog
Better Than ASM Tags: LLVM

JustCTF[*] 2020

That's not crypto Tags: Python
reklest Tags: Rust, JavaScript
debug_me_if_you_can Tags: ptrace, anti-re
Rusty Tags: Rust, DOS, PE file structure
ABNF: grammar is fun Tags: Regex in C++
REmap Tags: Py2exe, Anti-Re in python.dll

Aero CTF 2021

Dummyper Tags: memdump, crypto

zer0pts CTF 2021

Infected Tags: Character Device
Super Secret Login Tags: AutoIt, Cheat Engine
Syscall 777 Tags: syscall, SECCOMP, BPF

BsidesSF 2021 CTF

Keygenme Tags: keygen, .NET
Relaunch Tags: Bindiff

UTCTF 2021

UTCTF Adventure ROM Part 3 Tags: GameBoy

BlueHens (UDCTF) 2021

compUDer Tags: VM
watman Tags: wasm
Entropy Tags:

VolgaCTF 2021 Qualifier

Snake Tags: wasm, game

UMassCTF 2021

Chains Tags: ARM, optimize me

ångstromCTF 2021

Infinity Gauntlet Tags: PPC
FLag Submission Server Tags: server binary
Lockpicking Tags: virtual lock
Dysfunctional Tags: dynamic encryption

Midnight Sun CTF 2021 Quals

murmur Tags: hash
Blueberry Pop Tags: time based enc
oVER9000 Tags: custom stream cipher

S4CTF 2021

RE Diary Tags: enc
Water Color Tags: apk
Dive in to Numbers Tags: maths