CTF challenges & writeups

4044 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
tertiary #gdb #dynamic-analysis #ternary	S4CTF 2021	24.52	Reverse	files wu 1
watercolor #android #jni #native-library #jadx	S4CTF 2021	24.52	Reverse	files wu 1
LittleBabyRev #nim #reversing	Securinets 2021 Quals	41.71	Reverse	files wu 1
RUN #keygen #reversing	Securinets 2021 Quals	41.71	Reverse	files wu 3
YAY #anti-debugging #unpacking	Securinets 2021 Quals	41.71	Reverse	files wu 1
pybox #seccomp-bypass #python-sandbox #mmap	TAMUctf 2021	–	Reverse	files wu 1
simple_cipher #byte-at-a-time-bruteforce	TAMUctf 2021	–	Reverse	files wu 1
beginners_rev_2021 #reversing #frida	TSG 2021	–	Reverse	files wu 1
optimized #reversing #self-modifying-code	TSG 2021	–	Reverse	files wu 2
GoldDigger #reversing #xor	Tamil 2021	14.13	Reverse	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
hvhpgssynt #rot13	UIUCTF 2021	–	Reverse	files wu 3
ropfuscated #rop-obfuscation #reversing	UIUCTF 2021	–	Reverse	files wu 1
Painting_Windows #anti-debugging #xor #windows-reversing	UMDCTF 2021	–	Reverse	files wu 1
Starbucks #java-reversing #decompilation	UMDCTF 2021	–	Reverse	files wu 2
Algorithm #cpp-reversing #bfs #graph	UTCTF 2021	–	Reverse	files wu 1
File.tetr #custom-encoding #run-length-encoding	UTCTF 2021	–	Reverse	files wu 1
Recur #recursion #memoization	UTCTF 2021	–	Reverse	files wu 3
Run-ELF #reversing	UTCTF 2021	–	Reverse	files wu 3
StringyThings #strings	UTCTF 2021	–	Reverse	files wu 3
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
MisleadingSteps #false-flag #dynamic-analysis	VishwaCTF 2021	–	Reverse	files wu 2
Rotations #binary-patching #caesar-cipher	VishwaCTF 2021	–	Reverse	files wu 2
BabyRe #crackme #anti-disassembly #ncurses	Zh3r0 2021	–	Reverse	files src wu 2
Sabloom_Text_6 #crackme #windows-reversing #xor #maze-solving	Zh3r0 2021	–	Reverse	files src wu 1
1000words #pico-8-cartridge-reversing	b01lers 2021	22.99	Reverse	files wu 1
roulette_wheel #c++-reversing #predictable-rng	b01lers 2021	22.99	Reverse	files wu 2
swirler #client-side-js #image-unswirl #qr-recovery	b01lers 2021	22.99	Reverse	files wu 3
weenie_hut_general #predictable-prng #fixed-srand-seed	b01lers 2021	22.99	Reverse	files wu 2
AliceInCeptionland #dotnet-reversing #dnspy	corCTF 2021	24.92	Reverse	files wu 2
babyrev #ghidra-static-analysis	corCTF 2021	24.92	Reverse	files wu 3
vmquack #vm-reversing #custom-architecture	corCTF 2021	24.92	Reverse	files wu 1
zoom_zoom_vision #cpp-reversing #substitution-cipher	corCTF 2021	24.92	Reverse	files 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

Challenges