Security Fest 2016
18 challenges with 31 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 CTFtimeBinary exploitation5
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
Flagship 100
2 official solutionsAlso written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
Propaganda 300
2 official solutionsAlso written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
Tvstation 100
2 official solutionsAlso written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
- pwn
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Misc4
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Qrack 100
2 official solutionsAlso written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
Shalien 250
2 official solutionsAlso written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
- qr
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
- misc
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Web3
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
Space Xss1 100
2 official solutionsAlso written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
Xss2 200
2 official solutionsAlso written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
- xss
Same technique in picoCTF: Live Art, secure-email-service, msfroggenerator2
Uncategorised3
The upstream scoreboard did not say, so neither do we.
Hackfestfinal 2016 For 100
2 official solutionsAlso written up in: tnmch/Write_Up_Ctf, chamli/Write_Up_Ctf
Pwn100 Tvstation
2 official solutionsAlso written up in: tnmch/Write_Up_Ctf, chamli/Write_Up_Ctf
Tvstation Exp
1 official solutionAlso written up in: danigargu/wargames
Reverse engineering2
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
- reverse
Same technique in picoCTF: Checkpass, WinAntiDbg0x100, WinAntiDbg0x200
Flux 100
2 official solutionsAlso written up in: ctfs/write-ups-2016, vishwaraj/write-ups-2016
Cryptography1
Recover a plaintext or a key from something that was supposed to protect it. In practice: identify the scheme, find the parameter the author got wrong, exploit it.
Hackfestfinal Crypto 100
2 official solutionsAlso written up in: tnmch/Write_Up_Ctf, chamli/Write_Up_Ctf