UIUCTF 2015
22 challenges with 73 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not.
Full task list on CTFtimeUncategorised8
The upstream scoreboard did not say, so neither do we.
Bobby
3 official solutionsAlso written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Also written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Incertia
3 official solutionsAlso written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Luckdragon
3 official solutionsAlso written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Also written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Type1
3 official solutionsAlso written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Type2
3 official solutionsAlso written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Okami1 Sol
1 official solutionAlso written up in: zerodavinci/ctf
Web4
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
Also written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Secpaste
3 official solutionsAlso written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Toosecure
3 official solutionsAlso written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
hype Web
2 official solutionsAlso written up in: capturetheswag.blogspot.com.au, capturetheswag.blogspot.com
Reverse engineering4
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Also written up in: ctfs/write-ups-2015, ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015, TycoRyco/write-ups-2015
Refun
3 official solutionsAlso written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
The One That Solves Itself
3 official solutionsAlso written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Uiucd
3 official solutionsAlso written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Forensics2
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
Also written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
- forensics
- network
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
The Gibson
3 official solutionsAlso written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Binary exploitation2
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
Unoriginal
8 official solutionsAlso written up in: ctfs/write-ups-2015, d4rwinb0ts/ctf-writeups, d4rwinb0ts/ctf-writeups, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015, ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Okami
3 official solutionsAlso written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Misc1
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Ovaltine
3 official solutionsAlso written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, TycoRyco/write-ups-2015
Steganography1
Find the payload hidden inside a carrier that looks ordinary. Bit planes, appended data, metadata, and audio spectrograms.
Also written up in: ctfs/write-ups-2015, AntiRootkit1/write-ups-2015, b01lers/writeups, TycoRyco/write-ups-2015