CTF challenges & writeups

7364 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
inkaphobia #format-string	ImaginaryCTF 2021	–	Pwn	files wu 2
linonophobia #ret2libc	ImaginaryCTF 2021	–	Pwn	files wu 1
stackoverflow #stack-overflow	ImaginaryCTF 2021	–	Pwn	files wu 3
Filter_Collector #crt #oracle	LexingtonInformaticsTournament 2021	23.87	Crypto	files wu 1
LIT_BUGS #idor #enumeration	LexingtonInformaticsTournament 2021	23.87	Web	files wu 1
Loading #loop-optimization #patching	LexingtonInformaticsTournament 2021	23.87	Reverse	files wu 1
The_Oracles_Prophecy #aes-cbc #padding-oracle #mac	LexingtonInformaticsTournament 2021	23.87	Crypto	files wu 1
alexfanclubapi #xxe #xml	LexingtonInformaticsTournament 2021	23.87	Web	files wu 1
A_to_Z #atbash-cipher	MetaCTF 2021	–	Crypto	files wu 3
An_Attempt_Was_Made #add-gadget-got-rewrite	MetaCTF 2021	–	Pwn	files wu 1
Custom_Blog #php-session-lfi-rce	MetaCTF 2021	–	Web	files wu 3
Far_From_The_Weakest_Shell #powershell-deobfuscation	MetaCTF 2021	–	Reverse	files wu 1
Getting_Darryl_Back #xor-decryption-reversing	MetaCTF 2021	–	Reverse	files wu 1
I_Hate_Python #fixed-seed-prng	MetaCTF 2021	–	Reverse	files wu 2
Little_Boi #srop	MetaCTF 2021	–	Pwn	files wu 1
Revvy_Chevy #lcg-keystream	MetaCTF 2021	–	Reverse	files wu 1
Sequential_Shellcode #ascending-byte-shellcode	MetaCTF 2021	–	Pwn	files wu 1
Simple_Format #format-string-leak	MetaCTF 2021	–	Pwn	files wu 1
Simple_Format_Returned #format-string	MetaCTF 2021	–	Pwn	files wu 1
Size_Matters #rsa-factorization	MetaCTF 2021	–	Crypto	files wu 3
There_Are_No_Strings_on_Me #strings-analysis	MetaCTF 2021	–	Reverse	files wu 3
Thnks_fr_th_Pwds #base64-encoding	MetaCTF 2021	–	Crypto	files wu 3
Unbreakable_Encryption #otp-key-reuse	MetaCTF 2021	–	Crypto	files wu 2
Wrong_Way_on_a_One_Way_Street #hash-cracking	MetaCTF 2021	–	Crypto	files wu 3
Yummy_Vegetables #sql-injection	MetaCTF 2021	–	Web	files wu 2
hookless #house-of-botcake	MetaCTF 2021	–	Pwn	files wu 1
tic_tac_toe #stack-buffer-overflow	MetaCTF 2021	–	Pwn	files wu 1
unionized #union-type-confusion	MetaCTF 2021	–	Pwn	files wu 2
AgentTester #union-sql-injection	NahamCon 2021	24.98	Web	files wu 3
Andra #apk-hardcoded-credentials	NahamCon 2021	24.98	Mobile	files wu 1
CerealAndMilk #php-object-injection	NahamCon 2021	24.98	Web	files wu 3
DiceRoll #mt19937-prediction	NahamCon 2021	24.98	Crypto	files wu 3
EmptyRead #off-by-one-null-byte	NahamCon 2021	24.98	Pwn	files wu 1
Meddle #tcache-dup	NahamCon 2021	24.98	Pwn	files wu 2
Microscopium #pin-bruteforce	NahamCon 2021	24.98	Mobile	files wu 1
Resourceful #apk-hardcoded-credentials	NahamCon 2021	24.98	Mobile	files wu 2
Ret2basic #ret2win	NahamCon 2021	24.98	Pwn	files wu 3
RockPaperScissors #one-byte-overflow #scanf #rop	NahamCon 2021	24.98	Pwn	files wu 1
Smol #ret2dlresolve	NahamCon 2021	24.98	Pwn	files wu 2
SomeReallyOrdinaryProgram #srop	NahamCon 2021	24.98	Pwn	files wu 3

Challenges