CTF challenges & writeups

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

Challenge	CTF	Weight	Category	Has
Paired #windows-reversing #ipc-postmessage #inter-process-code-injection #xor	CyBRICS 2021	33.32	Reverse	files wu 1
Walker #reversing #maze-traversal #xor-decode #state-machine	CyBRICS 2021	33.32	Reverse	files wu 1
Bell #reversing #algorithm-replication #interactive	DCTF 2021	–	Reverse	files wu 3
Hansel_und_Gretel #reversing #bit-extraction #bit-position-table	DCTF 2021	–	Reverse	files wu 1
Hercules #reversing #z3 #constraint-solving #matrix	DCTF 2021	–	Reverse	files wu 1
Just_In_Time #reversing #dynamic-analysis #breakpoint-flag-extraction	DCTF 2021	–	Reverse	files wu 3
Tiny_interpreter #reversing #custom-interpreter #bytecode	DCTF 2021	–	Reverse	files wu 2
Unlimited_Power #file-format-analysis #garmin-fit #fit2csv	DCTF 2021	–	Reverse	files wu 1
Easy_NFT #nftables	Dragon 2021	99.33	Reverse	files wu 1
Run_of_the_Mill #angr	Dragon 2021	99.33	Reverse	files wu 2
Saw #static-analysis	FwordCTF 2021	24.42	Reverse	files wu 1
GaussBot #self-modifying-code	HackPack 2021	24.31	Reverse	files wu 1
EchoFrag #arm #qemu-user #stack-buffer-overflow	HackersPlayground 2021	24.50	Pwn	files wu 1
DeadlyFastGraph #jit-type-confusion	InCTF 2021	70.41	Pwn	files wu 1
MultiStorage #type-confusion	InCTF 2021	70.41	Pwn	files wu 1
Scadomware #predictable-key	Intent 2021	19.97	Reverse	files wu 3
Rasm #custom-vm-reversing	K3RN3LCTF 2021	24.37	Reverse	files wu 1
Recurso #custom-vm-reversing	K3RN3LCTF 2021	24.37	Reverse	files wu 1
sneeki_snek #python-bytecode	KillerQueen 2021	21.14	Reverse	files wu 1
crypto-party #android #certificate-validation	LedgerDonjon 2021	–	Crypto	files wu 1
nanovm #custom-vm #arm #nested-elf	LedgerDonjon 2021	–	Reverse	files wu 1
flagsaver #dotnet-reversing #image-unscramble	OMH 2021	–	Reverse	files wu 2
grub #grub-cfg #regex-constraints #z3	OMH 2021	–	Reverse	files wu 2
tour #traveling-salesman #floyd-warshall #dynamic-programming	PBjar 2021	23.18	Reverse	files wu 1
highest_power #jit-vm #arm-reversing #bruteforce	Pwn2Win 2021	83.41	Reverse	files wu 1
illusion #prototype-pollution #rce	Pwn2Win 2021	83.41	Web	files wu 3
Down_The_Rabbit_Hole #shellcode #obfuscation	RaRCTF 2021	24.53	Reverse	files wu 1
Jammys_Old_Infra #android #apk-reversing	RaRCTF 2021	24.53	Reverse	files wu 1
boring-flag-runner #custom-vm #stack-overwrite #one-gadget	RaRCTF 2021	24.53	Pwn	files wu 1
infinite-free-trial #crc8 #bruteforce #keygen	RaRCTF 2021	24.53	Reverse	files wu 3
optimizeme #rust-reversing #bignum-arithmetic	RaRCTF 2021	24.53	Reverse	files wu 1
Easy_Escape #qemu-escape #mmio #use-after-free (uaf)#free-hook	RealWorld 2021	37.00	Misc	files wu 1
Paf #reversing #unicorn-emulation	SPbCTF 2021 Quals	–	Misc	files wu 2
antistatic #anti-debugging #crackme	Union 2021	24.34	Reverse	files wu 1
babyrarf #type-confusion #info-leak #ret2win	Union 2021	24.34	Pwn	files wu 2
unionware #powershell-deobfuscation #ransomware	Union 2021	24.34	Reverse	files wu 2
JS_is_Awesome #javascript-deobfuscation #xor	VULNCON 2021	–	Reverse	files wu 1
More_than_shellcoding #shellcode #self-modifying-code #mprotect	VULNCON 2021	–	Pwn	files wu 2
OptimiseMe #custom-vm #algorithm-optimization	Zh3r0 2021	–	Reverse	files src
Pyaz #custom-vm #packing	Zh3r0 2021	–	Reverse	files src

Challenges