CTF challenges & writeups

461 challenges in family ⊕ rev ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
Obfuscation #obfuscated-c #byte-transform-reversing	1337UP 2023	24.23	Reverse	files wu 3
imPACKful #upx-unpacking	1337UP 2023	24.23	Reverse	files wu 1
gimme_csp #csp-bypass #content-type-confusion #xss	ASIS 2023 Finals	89.80	Web	files wu 1
flagchecker #scratch-project-reversing #deobfuscation	AmateursCTF 2023	24.54	Reverse	files wu 1
sanity #dom-clobbering #prototype-pollution #xss	AmateursCTF 2023	24.54	Web	files wu 2
Ducky1 #rubber-ducky-decode	BYUCTF 2023	–	Reverse	files wu 2
RevEng #xor-decryption #ghidra	BYUCTF 2023	–	Reverse	files wu 1
Blue_Hens #esoteric-language #vm-reversing	BlueHens 2023	24.61	Reverse	files wu 2
Bussin #custom-file-format #qoi	BlueHens 2023	24.61	Reverse	files wu 1
Classic_Checkers #constraint-solving #lisp	BlueHens 2023	24.61	Reverse	files wu 3
ElectroNES #nes-reversing #6502	BlueHens 2023	24.61	Reverse	files wu 1
Hollywood #dotnet-reversing #dnspy #string-decryption #anti-debug-bypass	CYBERGON 2023	–	Reverse	files wu 1
Old_Obfuscation #pyinstaller-extraction #pyarmor-deobfuscation	CYBERGON 2023	–	Reverse	files wu 1
Super_Secure_Encryption #pyc-decompilation #pbkdf2-aes #hardcoded-key	CYBERGON 2023	–	Reverse	files wu 1
What_is_it #autoit-decompilation #script-deobfuscation	CYBERGON 2023	–	Reverse	files wu 1
Cereal_Killer_01 #reversing #ghidra #stack-string-decode #debugger-patch	DEADFACE 2023	–	Reverse	files wu 2
Cereal_Killer_02 #reversing #xor-rotating-key #known-plaintext	DEADFACE 2023	–	Reverse	files wu 2
Cereal_Killer_04 #java-reversing #jar-decompilation #procyon	DEADFACE 2023	–	Reverse	files wu 1
Cereal_Killer_05 #reversing #gdb #memory-search	DEADFACE 2023	–	Reverse	files wu 2
My_Daily_Macros #vba-macro-analysis #xlsm #office-document	DEADFACE 2023	–	Reverse	files wu 1
whatThe #dtmf-decoding #fft #audio-analysis	DeconstruCT.F 2023	11.23	Reverse	files wu 1
chessrs #wasm #rust #use-after-free (uaf)#xss #web	DiceCTF 2023	36.70	Pwn	files wu 2
dicer-visor #vm-escape #hypervisor #shellcode-injection #off-by-one #seccomp #orw	DiceCTF 2023	36.70	Pwn	files wu 1
not-baby-parallelism #reversing #cpp #custom-encoding	DiceCTF 2023	36.70	Reverse	files wu 1
parallelism #reversing #permutation-recovery #gdb #memcmp	DiceCTF 2023	36.70	Reverse	files wu 2
My_First_C_Program #deobfuscation	DownUnderCTF 2023	46.63	Misc	files wu 1
Full_Chain_Wall_Maria #qemu-escape	HITCON 2023 Quals	99.75	Pwn	files wu 1
LessEQualmore #vm-reversing	HITCON 2023 Quals	99.75	Reverse	files wu 2
SUBformore #vm-escape	HITCON 2023 Quals	99.75	Pwn	files wu 1
back-to-basics #static-analysis	HSCTF 2023	–	Reverse	files wu 1
Doki_Doki_Anticheat #renpy	Hack.lu 2023	94.73	Reverse	files wu 2
Give_My_Money_Back #deobfuscation	HeroCTF 2023	–	Reverse	files wu 1
Sheepish #lambda-calculus	ImaginaryCTF 2023	34.52	Reverse	files src wu 1
baby_rev #additive-cipher	IrisCTF 2023	24.59	Reverse	files wu 1
caterpillar #js-deobfuscation	LA 2023	–	Reverse	files wu 2
ctfd-plus #gdb-register-extraction	LA 2023	–	Reverse	files wu 3
evmvm #evm-bytecode-crafting	LA 2023	–	Pwn	files wu 2
string-cheese #hardcoded-comparison	LA 2023	–	Reverse	files wu 3
universal #java-reverse	LA 2023	–	Reverse	files wu 1
BLADE_RUNNER #prototype-pollution	MapleCTF 2023	24.05	Web	files wu 1

Challenges