Insomni'hack 2016
40 challenges with 196 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 CTFtimeWeb11
Reach data or functionality the application meant to keep from you - through its inputs, its tokens, or its trust in the client.
Greenbox
6 official solutionsAlso written up in: ctfs/write-ups-2016, b01lers/writeups, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Ibeer
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Netfondue
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Overview Of Ideas I
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Overview Of Ideas Ii
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Secretsafe
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Smarttoothpick
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
The Revenge Of Jack The Clicker
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Also written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Smartcat1
1 official solutionAlso written up in: b01lers/writeups
Smartcat2
1 official solutionAlso written up in: b01lers/writeups
Uncategorised9
The upstream scoreboard did not say, so neither do we.
Smartdoor1
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Smartdoor2
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Smartdoor3
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Shellshock Exploit
2 official solutionsAlso written up in: bl4de/ctf, sharmaji-h4cks/CTF-WRITEUPS
Final
1 official solutionAlso written up in: p4-team/ctf
Fridginator
1 official solutionAlso written up in: p4-team/ctf
Also written up in: p4-team/ctf
Smartcat
1 official solutionAlso written up in: p4-team/ctf
Toasted
1 official solutionAlso written up in: ocean-sec/writeups
Binary exploitation8
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
SmartCat 3
3 writeupsAlso written up in: ctfs/write-ups-2016, p4-team/ctf, epicleet/write-ups-2016, hexpresso/WU-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
- shell
- smartcat
- rce
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Biotch Slap
7 official solutionsAlso written up in: ctfs/write-ups-2016, Insomnihack/Insomnihack-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016, Insomnihack/Insomnihack-2016
microwave
2 writeupsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
- pwn
- buffer-overflow
- string-format
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Retoasted
7 official solutionsAlso written up in: ctfs/write-ups-2016, Insomnihack/Insomnihack-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016, Insomnihack/Insomnihack-2016
Rootkit
7 official solutionsAlso written up in: ctfs/write-ups-2016, Insomnihack/Insomnihack-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016, Insomnihack/Insomnihack-2016
SmartCat0
1 writeupAlso written up in: ctfs/write-ups-2016, p4-team/ctf, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
- shell
- rce
- web
Same technique in picoCTF: lockdown-horses, Guessing Game 1, Bizz Fuzz
Superpollute
6 official solutionsAlso written up in: ctfs/write-ups-2016, Insomnihack/Insomnihack-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Cc232
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Misc6
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Robots
2 writeupsAlso written up in: ctfs/write-ups-2016, p4-team/ctf, Insomnihack/Insomnihack-2016, epicleet/write-ups-2016, hexpresso/WU-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
- misc
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Iotcode
6 official solutionsAlso written up in: ctfs/write-ups-2016, Insomnihack/Insomnihack-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
smartstove
1 writeupAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
- writeup
Same technique in picoCTF: PW Crack 2, Permissions, Specialer
Also written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Drunk4lyzer I
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Drunk4lyzer Ii
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Reverse engineering3
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
SafeCRT2
1 writeupAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
- reverse engineering
- android
Megafat
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Rostinator
5 official solutionsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
Forensics2
Recover something from a file, a capture, or a disk image - often from a part of it the format says is unused.
PCAPBleeding
2 writeupsAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, hexpresso/WU-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
- network
- crypto
Same technique in picoCTF: FindAndOpen, Ph4nt0m 1ntrud3r, WebNet0
Smartips
1 writeupAlso written up in: ctfs/write-ups-2016, epicleet/write-ups-2016, hexpresso/WU-2016, jashanbhoora/write-ups-2016, Niccher/write-ups-2016, vishwaraj/write-ups-2016
- network
Same technique in picoCTF: investigation_encoded_2, FindAndOpen, Ph4nt0m 1ntrud3r
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.
Bringthenoise 200
2 official solutionsAlso written up in: m-k-S/ctf-writeups, WesternCyber/CTF-WriteUp