CTF challenges & writeups

2168 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
Phantasmagoria #gif-frame-qr	niteCTF 2023	–	Forensics	files wu 1
Confusion #anti-debugging #reversing	VishwaCTF 2022	20.79	Reverse	files wu 1
TallestHeader #file-signature-repair #transposition-cipher #binwalk	VishwaCTF 2022	20.79	Crypto	files wu 1
Uzumaki #reversing #modular-arithmetic	VishwaCTF 2022	20.79	Reverse	files wu 1
Code_Decode #substitution-cipher #embedded-key	DeconstruCT.F 2021	19.69	Crypto	files wu 3
DESTRUCTINATOR #format-string #stack-leak	DeconstruCT.F 2021	19.69	Pwn	files wu 1
Doe_a_deer #solfa-cipher #music-cipher	DeconstruCT.F 2021	19.69	Crypto	files wu 1
Failed_Logins #reversing #string-decoding #base64	DeconstruCT.F 2021	19.69	Reverse	files wu 2
RSA-1 #rsa #rsactftool #small-factor	DeconstruCT.F 2021	19.69	Crypto	files wu 3
RSA-2 #rsa #low-exponent #cube-root	DeconstruCT.F 2021	19.69	Crypto	files wu 3
RSA-3 #rsa #wiener-attack	DeconstruCT.F 2021	19.69	Crypto	files wu 3
Reject_humanity_return_to_libc #ret2libc #stack-buffer-overflow #got-leak	DeconstruCT.F 2021	19.69	Pwn	files wu 2
Scraps #reversing #stack-strings #ida	DeconstruCT.F 2021	19.69	Reverse	files wu 3
The_Conspiracy #base64 #geo-coordinates #country-lookup	DeconstruCT.F 2021	19.69	Crypto	files wu 3
UNLOCK_DOOR #stack-buffer-overflow #gets #leak #ret2shellcode	DeconstruCT.F 2021	19.69	Pwn	files wu 1
Cache_7 #use-after-free (uaf)#tcache-poisoning	Shakti 2021	25.00	Pwn	files wu 2
GoldDigger #reversing #xor	Tamil 2021	14.13	Reverse	files wu 1
Stress_Rope #srop	Tamil 2021	14.13	Pwn	files wu 1
University_Pwn #use-after-free (uaf)#tcache-poisoning	Tamil 2021	14.13	Pwn	files wu 1
digital_play #reversing #logic-circuit	Tamil 2021	14.13	Reverse	files wu 2
foolme #reversing #z3	Tamil 2021	14.13	Reverse	files wu 1
guesser #dotnet-reversing #z3	Tamil 2021	14.13	Reverse	files wu 1
obscure #pyc-decompilation	Tamil 2021	14.13	Reverse	files wu 2
Apollo11 #file-carving #iso-extraction	VishwaCTF 2021	–	Reverse	files wu 1
Facile #binwalk #strings	VishwaCTF 2021	–	Reverse	files wu 2
FlowRev #reversing #buffer-overflow	VishwaCTF 2021	–	Reverse	files wu 1
FromTheFUTURE #substitution-cipher #futurama-alphabet	VishwaCTF 2021	–	Crypto	files wu 1
MisleadingSteps #false-flag #dynamic-analysis	VishwaCTF 2021	–	Reverse	files wu 2
Rotations #binary-patching #caesar-cipher	VishwaCTF 2021	–	Reverse	files wu 2
1n_jection #cantor-pairing #recursive #inverse-pairing	Zh3r0 2021	–	Crypto	files src wu 1
BabyRe #crackme #anti-disassembly #ncurses	Zh3r0 2021	–	Reverse	files src wu 2
Flags #html-injection #css-injection #csp-bypass #data-exfiltration	Zh3r0 2021	–	Web	files wu 1
Sabloom_Text_6 #crackme #windows-reversing #xor #maze-solving	Zh3r0 2021	–	Reverse	files src wu 1
alice_bob_dave #rsa #common-prime #gcd	Zh3r0 2021	–	Crypto	files src wu 2
import_numpy_as_MT #numpy-mt19937 #seed-bruteforce #aes-cbc	Zh3r0 2021	–	Crypto	files src wu 1
real_mersenne #mt19937 #state-recovery #float-prediction	Zh3r0 2021	–	Crypto	files src wu 2
twist_and_shout #mt19937 #state-recovery #untwist	Zh3r0 2021	–	Crypto	files src wu 2
CyberDark0x01ShitComp #reversing #custom-compression #rle-inversion	darkCON 2021	24.06	Reverse	files wu 1
CyberDark_0x02Installer #keygen #license-key-reversing	darkCON 2021	24.06	Reverse	files wu 1
MITM #diffie-hellman #small-parameters #discrete-log-bruteforce	darkCON 2021	24.06	Crypto	files wu 1

Challenges