ImaginaryCTF
2025
stacked
Return oriented programming is one of the paradigms of all time. The garbled output is `94 7 d4 64 7 54 63 24 ad 98 45 72 35`
#rev #crypto
cascade
Stack overflow into ret2dlresolve — force the dynamic linker to resolve system at runtime and run system("sh").
#stack-overflow #ret2dlresolve #rop #pwntools
medium weird-app
Android APK that applies a position-dependent substitution over letters/digits/specials. Invert it in Python.
#android #apk #jadx #substitution
easy nimrod
Stripped Nim binary that XORs input with a keystream derived from a hard seed. Extract the keystream at runtime with gdb and XOR out the flag.
#nim #xor #gdb #keystream
easy