HSCTF 9
19 challenges with 23 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 CTFtimeMisc17
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
baby_baby_rsa
2 writeupsSame technique in picoCTF: Permissions, Specialer, Codebook
gallery
2 writeups- directory-traversal
- python
Same technique in picoCTF: Specialer, PW Crack 1, PW Crack 2
paas
2 writeupsSame technique in picoCTF: Permissions, Specialer, Codebook
- algorithms
Same technique in picoCTF: Permissions, Specialer, Codebook
atcs-nightmare
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
- algo
Same technique in picoCTF: Permissions, Specialer, Codebook
hsgtf
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
lcvc
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
markdown-plus-plus
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
otp
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
png-wizard
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
png-wizard-v2
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
quagmire-i
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
squeal
1 writeupSame technique in picoCTF: Permissions, Specialer, Codebook
- miscellaneous
Same technique in picoCTF: Permissions, Specialer, Codebook
- algo
Same technique in picoCTF: Permissions, Specialer, Codebook
- algo
Same technique in picoCTF: Permissions, Specialer, Codebook
Binary exploitation1
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
queuestack
1 writeupSame technique in picoCTF: Guessing Game 1, x-sixty-what, format string 3
Reverse engineering1
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
- rev
- pyc
Same technique in picoCTF: WinAntiDbg0x100, WinAntiDbg0x200, WinAntiDbg0x300