CTF challenges & writeups

4044 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
TooMuch #angr #symbolic-execution	darkCON 2021	24.06	Reverse	files wu 3
ezpz #android #firebase-firestore-leak	darkCON 2021	24.06	Reverse	files wu 2
fire_in_the_androiddd #android #jni-native #broadcast-receiver-intent	darkCON 2021	24.06	Reverse	files wu 1
indie_vmm #vm-escape	hxp 2021	99.41	Reverse	files wu 1
Retrosynthesis #binary-patching	idekCTF 2021	24.56	Reverse	files wu 1
Rolling_On_My_Own #fibonacci-cipher	idekCTF 2021	24.56	Reverse	files wu 1
Automatic_Rejection_Machine #arm-reversing	m0leCon 2021 Quals	24.55	Reverse	files wu 2
PeTaMorphosis #self-modifying-code	m0leCon 2021 Quals	24.55	Reverse	files wu 1
m0lang #interpreter-overflow	m0leCon 2021 Quals	24.55	Reverse	files wu 1
parallel-the-m0le #meet-in-the-middle (mitm)	m0leCon 2021 Quals	24.55	Reverse	files wu 3
infected #ld-preload #function-hooking #backdoor	zer0pts 2021	24.56	Reverse	files wu 3
syscall_777 #reversing #custom-syscall #xor	zer0pts 2021	24.56	Reverse	files wu 1
reee #self-unpacking #z3	PlaidCTF 2020	93.15	Reverse	files wu 3
thats_a_lot_of_fish #typescript-type-system #custom-vm	PlaidCTF 2020	93.15	Reverse	files wu 2
EXCELlent #constraint-solving	hxp 2020	94.00	Reverse	files wu 2
find-the-chicken #gameboy	hxp 2020	94.00	Reverse	files wu 1
nobranch7e4 #linear-algebra	hxp 2020	94.00	Reverse	files wu 1
restless #vm-reversing	hxp 2020	94.00	Reverse	files wu 2
Forky #fork #integer-overflow	picoCTF 2019	–	Reverse	files wu 1
asm1 #x86-assembly	picoCTF 2019	–	Reverse	files wu 1
asm2 #x86-assembly	picoCTF 2019	–	Reverse	files wu 1
asm3 #x86-assembly #emulation	picoCTF 2019	–	Reverse	files wu 1
asm4 #x86-assembly #inline-asm-compile	picoCTF 2019	–	Reverse	files wu 1
reverse_cipher #char-shift-cipher #ghidra	picoCTF 2019	–	Reverse	files wu 1
vault-door-3 #anagram #javascript-reversing	picoCTF 2019	–	Reverse	files wu 1
vault-door-4 #byte-array-decoding	picoCTF 2019	–	Reverse	files wu 1
vault-door-5 #base64 #url-encoding	picoCTF 2019	–	Reverse	files wu 1
vault-door-6 #xor	picoCTF 2019	–	Reverse	files wu 1
vault-door-7 #int-to-bytes #bit-shifting	picoCTF 2019	–	Reverse	files wu 1
vault-door-8 #bit-transposition	picoCTF 2019	–	Reverse	files wu 1
Boring_APK #android-native-reversing #meet-in-the-middle (mitm)	BKISC 2026	–	Reverse	files wu 1
GODMODE_999	UIUCTF 2026	–	Reverse	files wu 1
Veil_of_Evernight	UIUCTF 2026	–	Reverse	files wu 1
glyphs	UIUCTF 2026	–	Reverse	files wu 1
vector_cache	UIUCTF 2026	–	Reverse	files wu 1
nuclear_codes	UMDCTF 2026	–	Reverse	files wu 1
Vision	VolgaCTF 2026 Quals	38.67	Reverse	files wu 1
nine_solves	LA 2025	–	Reverse	files wu 1
drum_machine #constraint-solving	LakeCTF 2025 Quals	–	Reverse	files wu 1
Back_to_the_past #srand-time-seed #lcg #bruteforce	PwnMe 2025 Quals	24.95	Reverse	files wu 1

Challenges