CTF challenges & writeups

7364 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
BinaryFlood #reversing #binary-diffing	vsCTF 2022	23.32	Reverse	files wu 1
EzOrange #house-of-orange #heap-exploitation #oob-write	vsCTF 2022	23.32	Pwn	files wu 2
FunctionalCPP #gdb-scripting #bruteforce	vsCTF 2022	23.32	Reverse	files wu 1
Recovery #base64 #constraint-solving	vsCTF 2022	23.32	Crypto	files wu 2
AP_ABCs #stack-buffer-overflow #gets #variable-overwrite	BCACTF 2021	–	Pwn	files wu 2
A_Fun_Game #memory-editing #cheat-engine #dotnet-mono	BCACTF 2021	–	Reverse	files wu 1
Advanced_Math_Analysis #strcmp-null-byte-bypass	BCACTF 2021	–	Pwn	files wu 2
American_Literature #format-string #stack-leak	BCACTF 2021	–	Pwn	files wu 2
BCA_Mart #integer-overflow #signed-arithmetic	BCACTF 2021	–	Pwn	files wu 3
Cipher_Mishap #octal-to-ascii-decoding	BCACTF 2021	–	Crypto	files wu 2
Digitally_Encrypted_1 #logic-circuit-reversing #xor-cipher	BCACTF 2021	–	Reverse	files wu 2
Digitally_Encrypted_2 #logic-circuit-reversing #xnor-cipher	BCACTF 2021	–	Reverse	files wu 2
Digitally_Encrypted_2.99999 #logic-circuit-reversing #shift-xor-cipher-inversion	BCACTF 2021	–	Reverse	files wu 1
Digitally_Encrypted_3 #logic-circuit-reversing #shift-add-xor-cipher	BCACTF 2021	–	Reverse	files wu 1
Discrete_Mathematics #rop-chain #ret2win	BCACTF 2021	–	Pwn	files wu 1
Easy_RSA #rsa #textbook-decryption	BCACTF 2021	–	Crypto	files wu 3
FNES_1 #rc4 #keystream-reuse	BCACTF 2021	–	Crypto	files wu 1
Gerald_Catalog #web-push-leak	BCACTF 2021	–	Web	files wu 1
Honors_ABCs #stack-buffer-overflow #gets	BCACTF 2021	–	Pwn	files wu 1
Little_e #rsa #small-exponent-e-3 #cube-root	BCACTF 2021	–	Crypto	files wu 1
Math_Analysis #stack-buffer-overflow #ret2win	BCACTF 2021	–	Pwn	files wu 2
Movie-Login-2 #sql-injection	BCACTF 2021	–	Web	files wu 3
Movie-Login-3 #sql-injection	BCACTF 2021	–	Web	files wu 3
Sailing_Thru_Decryption #signal-flag-decoding #binary #vigenere	BCACTF 2021	–	Crypto	files wu 2
Slightly_Harder_RSA #rsa #factordb-factorization	BCACTF 2021	–	Crypto	files wu 2
Storytime_The_Opening_Gambit #strings #static-analysis #plaintext-flag	BCACTF 2021	–	Reverse	files wu 1
Storytime_The_Shocking_Conclusion #xor-decoding #static-reversing	BCACTF 2021	–	Reverse	files wu 2
Storytime_The_Tragic_Interlude #xor-decryption	BCACTF 2021	–	Reverse	files wu 2
Stylish #css-injection	BCACTF 2021	–	Web	files wu 1
Trailblazer #self-modifying-code	BCACTF 2021	–	Reverse	files wu 1
Wait_this_isnt_C #fortran-reversing	BCACTF 2021	–	Reverse	files wu 2
Entropy #lcg #z3-solver	BlueHens 2021	22.62	Reverse	files wu 2
ForMatt_Zelinsky #format-string #rop	BlueHens 2021	22.62	Pwn	files wu 1
OTP1 #repeating-key-xor #xortool	BlueHens 2021	22.62	Crypto	files wu 1
OTP2 #xor #known-plaintext	BlueHens 2021	22.62	Crypto	files wu 1
OTP3 #two-time-pad #key-reuse	BlueHens 2021	22.62	Crypto	files wu 1
Sandboxed_ROP #seccomp #rop	BlueHens 2021	22.62	Pwn	files wu 1
Tiny_Tim #rop #mprotect-shellcode	BlueHens 2021	22.62	Pwn	files wu 3
babyjeep #double-free #fastbin-dup	BlueHens 2021	22.62	Pwn	files wu 1
beef-of-finitude #stack-overflow #ret2win	BlueHens 2021	22.62	Pwn	files wu 2

Challenges