CTF challenges & writeups

4044 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
Confusion #anti-debugging #reversing	VishwaCTF 2022	20.79	Reverse	files wu 1
Uzumaki #reversing #modular-arithmetic	VishwaCTF 2022	20.79	Reverse	files wu 1
msfrob #import-obfuscation #aes-decryption	corCTF 2022	24.92	Reverse	files src wu 1
turbocrab #jit-shellcode #substitution-recovery	corCTF 2022	24.92	Reverse	files src wu 1
vmquacks_revenge #vm-reversing #anti-tampering	corCTF 2022	24.92	Reverse	files src wu 1
required #javascript-reversing	hxp 2022	–	Reverse	files wu 2
tex_based_adventure #latex	hxp 2022	–	Reverse	files wu 2
Circuitry_magic #symbolic-execution	m0leCon 2022 Quals	36.00	Reverse	files wu 1
BinaryFlood #reversing #binary-diffing	vsCTF 2022	23.32	Reverse	files wu 1
FunctionalCPP #gdb-scripting #brute-force	vsCTF 2022	23.32	Reverse	files wu 1
q-solved #quantum-computing #qiskit #grovers-algorithm	zer0pts 2022	35.97	Reverse	files wu 1
service #windows-reversing #cryptoapi #aes	zer0pts 2022	35.97	Reverse	files wu 1
BashD00R #backdoored-bash-binary #code-in-data-section	Aero 2021	35.17	Reverse	files wu 1
Dummyper #memory-dump-reversing #xor-self-encryption #known-plaintext-endbr64	Aero 2021	35.17	Reverse	files wu 3
A_Fun_Game #memory-editing #cheat-engine #dotnet-mono	BCACTF 2021	–	Reverse	files wu 1
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
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
Wait_this_isnt_C #fortran-reversing	BCACTF 2021	–	Reverse	files wu 2
Entropy #lcg #z3-solver	BlueHens 2021	22.62	Reverse	files wu 2
compUDer #vm-reversing	BlueHens 2021	22.62	Reverse	files wu 1
checker #reversing #bit-manipulation #inverse-transform	CSAW 2021 Quals	20.54	Reverse	files wu 3
ncore #verilog-softcore-reversing #custom-isa #bytecode-crafting #enclave-dump	CSAW 2021 Quals	20.54	Reverse	files wu 3
ransomwaRE #malware-reversing #date-seeded-key #aes-ctr #keystream-reuse	CSAW 2021 Quals	20.54	Reverse	files wu 2
CrackMe #reversing #hash-byte-reversal #hashcat	DaVinciCTF 2021	24.50	Reverse	files wu 3
RoccaPia #reversing #xor-cipher	DaVinciCTF 2021	24.50	Reverse	files wu 3
Back_to_the_Lab_1 #reversing #xor #per-substring-check	DawgCTF 2021	23.29	Reverse	files wu 1
Back_to_the_Lab_3 #labview-reversing #bit-rotation #binary-patching	DawgCTF 2021	23.29	Reverse	files wu 1
NSTFTP #network-protocol-reversing #pcap-analysis #custom-ftp #backdoor	DawgCTF 2021	23.29	Reverse	files wu 1
Secret_App #reversing #strings #hardcoded-credentials	DawgCTF 2021	23.29	Reverse	files wu 3
Who_am_I #reversing #byte-assembly #xor	DawgCTF 2021	23.29	Reverse	files wu 1
Failed_Logins #reversing #string-decoding #base64	DeconstruCT.F 2021	19.69	Reverse	files wu 2
Scraps #reversing #stack-strings #ida	DeconstruCT.F 2021	19.69	Reverse	files wu 3
LostInYourEyes #vm-reversing #custom-bytecode #ida	DiceCTF 2021	24.82	Reverse	files wu 3
babymix #angr #symbolic-execution	DiceCTF 2021	24.82	Reverse	files wu 3
flag_checker #z3	DownUnderCTF 2021	–	Reverse	files wu 1

Challenges