CTF challenges & writeups

2168 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
NO-OUTPUT #ret2dlresolve #tcache-poisoning #blind-pwn	darkCON 2021	24.06	Pwn	files wu 1
Risk_Security_Analyst_Alice_Vs_Eve #rsa #shared-modulus #factor-n-via-d	darkCON 2021	24.06	Crypto	files wu 3
TakeItEasy #pyc-decompilation #uncompyle6 #xor	darkCON 2021	24.06	Crypto	files wu 3
TonyAndJames #python-mersenne-twister #seed-recovery #xor-keystream	darkCON 2021	24.06	Crypto	files wu 3
TooMuch #angr #symbolic-execution	darkCON 2021	24.06	Reverse	files wu 3
Warmup #heap #tcache #libc-2.27	darkCON 2021	24.06	Pwn	files wu 1
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
CBC-Jail #cbc-iv-bit-flip	niteCTF 2021	–	Pwn	files wu 2
Flip_Me_Over #cbc-bit-flipping	niteCTF 2021	–	Crypto	files wu 1
Rabin_To_The_Rescue #fermat-factorization	niteCTF 2021	–	Crypto	files wu 2
butterfly #file-struct-exploit #fsop #libc-leak	DarkCTF 2020	23.71	Misc	files wu 1
newPaX #stack-buffer-overflow #ret2libc #got-leak	DarkCTF 2020	23.71	Misc	files wu 3
roprop #stack-buffer-overflow #gets #rop #ret2libc	DarkCTF 2020	23.71	Misc	files wu 3
merry_cemetery #wasm	HackTM 2020 Quals	24.02	Misc	files wu 1
trip_to_trick #file-vtable-hijack	HackTM 2020 Quals	24.02	Misc	files wu 1
twisty #stack-overflow	HackTM 2020 Quals	24.02	Misc	files wu 2
AdventureChain #stack-buffer-overflow #rop	Shakti 2020	25.00	Misc	files wu 1
ComputeShell #shellcode #stack-buffer-overflow	Shakti 2020	25.00	Misc	files wu 1
Reactor_GOT #format-string #got-overwrite #one-gadget	Shakti 2020	25.00	Misc	files wu 2
Global_Warming #format-string #global-variable-overwrite	csictf 2020	23.67	Misc	files wu 3
Secret_Society #stack-buffer-overflow #null-terminator-overwrite #adjacent-buffer-leak	csictf 2020	23.67	Misc	files wu 1
Smash #format-string-leak #aslr-bypass #ret2libc	csictf 2020	23.67	Misc	files wu 3
pwn-intended-0x1 #stack-buffer-overflow #gets #local-variable-overwrite	csictf 2020	23.67	Misc	files wu 3
pwn-intended-0x2 #stack-buffer-overflow #gets #local-variable-overwrite #magic-value	csictf 2020	23.67	Misc	files wu 3
pwn-intended-0x3 #stack-buffer-overflow #gets #ret2win	csictf 2020	23.67	Misc	files wu 3
Baby_Tcache #tcache-poisoning #free-hook-overwrite #libc-leak	BackdoorCTF 2019	56.00	Misc	files wu 1
MiscPwn #realloc-hook-malloc-hook-overwrite #one-gadget	BackdoorCTF 2019	56.00	Misc	files wu 1
Armoury #format-string #canary-leak #ret2libc #pie-leak	Pragyan 2019	20.69	Misc	files wu 3
Feed_me #stack-buffer-overflow #atoi #linear-equations	Pragyan 2019	20.69	Misc	files wu 1
SuperSecureVault #crt #modular-arithmetic	Pragyan 2019	20.69	Misc	files wu 1
Ping_Me #command-injection #rce	TraceBash 2026	25.00	Web	files wu 1
Seed_Fund	BITSCTF 2025	–	Misc	files wu 1
Just_Another_Notes_App	niteCTF 2025	–	Web	files wu 1
Betray_your_master	BackdoorCTF 2024	–	Blockchain	files wu 1
Curvy_Pool	BackdoorCTF 2024	–	Blockchain	files wu 1
EasyPeasyLemonSqueezy	BackdoorCTF 2024	–	Blockchain	files wu 1
Introspection	IRON 2024	–	Pwn	files wu 2
3_spies #hastad-broadcast #rsa #crt	Pearl 2024	23.95	Crypto	files wu 1
Excel_Mayhem #xlsx #regex-filtering	Pearl 2024	23.95	Forensics	files wu 1

Challenges