CTF challenges & writeups

88 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
BabyFlow #stack-buffer-overflow #variable-overwrite	1337UP 2024	–	Misc	files wu 2
BioCorp #header-ip-spoofing #access-control-bypass #xxe	1337UP 2024	–	Web	files wu 1
CTF_Mind_Tricks #pcap-analysis #smb-file-extraction #wireshark	1337UP 2024	–	Forensics	files wu 1
Cat_Club #jwt-algorithm-confusion #ssti #pug	1337UP 2024	–	Web	files wu 1
Cold_Storage #android #cordova #hardcoded-pin #apk-decompilation	1337UP 2024	–	Mobile	files wu 1
Floormat_Mega_Sale #format-string	1337UP 2024	–	Pwn	files wu 1
Hoarded_Flag #memory-forensics #volatility #cmdscan	1337UP 2024	–	Forensics	files wu 1
In_Plain_Sight #binwalk-embedded-file #strings #encrypted-zip	1337UP 2024	–	Misc	files wu 2
Layers #file-concatenation #binary-to-ascii-decoding	1337UP 2024	–	Misc	files wu 1
No_Comment #exif-metadata-comment	1337UP 2024	–	OSINT	files wu 1
Password_Management #disk-image-forensics #deleted-file-recovery	1337UP 2024	–	Forensics	files wu 1
Quick_Recovery #qr-code-reconstruction #brute-force-permutation	1337UP 2024	–	Misc	files wu 1
Quiz #race-condition #concurrent-requests	1337UP 2024	–	Mobile	files wu 1
Retro2Win #stack-buffer-overflow #ret2win	1337UP 2024	–	Pwn	files wu 1
Rigged_Slot_Machine_1 #buffer-overflow #stack-variable-overwrite	1337UP 2024	–	Misc	files wu 1
Rigged_Slot_Machine_2 #stack-buffer-overflow #stack-variable-overwrite	1337UP 2024	–	Pwn	files wu 1
SafeNotes_2.0 #client-side-path-traversal #cspt	1337UP 2024	–	Web	files wu 1
Secure_Bank #static-analysis #ltrace #hardcoded-credentials	1337UP 2024	–	Reverse	files wu 1
Trackdown #geolocation #google-maps-street-view	1337UP 2024	–	OSINT	files wu 1
Trackdown_2 #geolocation #google-maps #signage-osint	1337UP 2024	–	OSINT	files wu 1
UAP #use-after-free (uaf)#function-pointer-hijack	1337UP 2024	–	Pwn	files wu 1
XSS_Finder_Tool #v8-exploitation #browser-pwn	1337UP 2024	–	Pwn	files wu 1
1_10 #knapsack #merkle-hellman #lll (lll-lattice-reduction)	1337UP 2023	24.23	Crypto	files wu 1
Encoding #multi-layer-encoding #base32 #base64 #morse	1337UP 2023	24.23	Misc	files wu 1
FlagChecker #z3-constraint-solving #rust-reversing	1337UP 2023	24.23	Reverse	files wu 2
Flag_Extraction #nested-archives #binwalk-recursive-extraction	1337UP 2023	24.23	Misc	files wu 1
Floor_Mat_Store #format-string	1337UP 2023	24.23	Pwn	files wu 2
Impossible_Mission #6502-assembly #c64-emulation-reversing	1337UP 2023	24.23	Reverse	files wu 1
Keyless #reversible-arithmetic-cipher #no-key-encoding	1337UP 2023	24.23	Crypto	files wu 2
Lunar_Unraveling_Adventure #lua-5.1-bytecode-decompilation #unluac	1337UP 2023	24.23	Reverse	files wu 1
Maltigriti #use-after-free (uaf)#heap-overlap	1337UP 2023	24.23	Pwn	files wu 1
Not_So_Smooth #linear-congruence-recovery #modular-arithmetic #xor	1337UP 2023	24.23	Crypto	files wu 1
Obfuscation #obfuscated-c #byte-transform-reversing	1337UP 2023	24.23	Reverse	files wu 3
Over_The_Edge #integer-underflow #uint64-wraparound	1337UP 2023	24.23	Pwn	files wu 1
Really_Secure_Apparently #rsa #wiener-attack #small-private-exponent	1337UP 2023	24.23	Crypto	files wu 2
Virtual_RAM #game-boy-rom-reversing	1337UP 2023	24.23	Reverse	files wu 1
imPACKful #upx-unpacking	1337UP 2023	24.23	Reverse	files wu 1
1_truth_2_lies #ssti #jinja2 #python	1337UP 2022	22.49	Web	files wu 1
BinomialWays #reversible-stream-cipher #modular-addition	1337UP 2022	22.49	Crypto	files wu 2
Cake #off-by-one #rbp-lsb-overwrite #stack-pivot #shellcode	1337UP 2022	22.49	Pwn	files wu 1

Challenges