Pragyan Ctf 2016
28 challenges with 132 published solutions between them. The writeups for this event were found in public repositories. Each link is pinned to the commit it was read from.
Where these writeups liveCryptography7
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.
Bail Cipher 20
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
Decipher Me 100
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
I Agree 20
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
Intercepted Transmission 70
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
Kill The Devil 60
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
Numbers And Spaces 40
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
Rsa Encryption 25
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
Misc5
Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.
Bad Habit 70
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
Breaking Bar 100
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
Everybody Is A Winner 1
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
Symphony 100
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
Uncategorised4
The upstream scoreboard did not say, so neither do we.
Apple Pie
3 official solutionsAlso written up in: VulnHub/ctf-writeups, vulnhub/ctf-writeups, hcs0/ctf-writeups
Be The Boss
3 official solutionsAlso written up in: VulnHub/ctf-writeups, vulnhub/ctf-writeups, hcs0/ctf-writeups
Also written up in: VulnHub/ctf-writeups, vulnhub/ctf-writeups, hcs0/ctf-writeups
Vault
3 official solutionsAlso written up in: VulnHub/ctf-writeups, vulnhub/ctf-writeups, hcs0/ctf-writeups
Binary exploitation4
Turn a memory-safety bug in a native binary into control of execution. Usually a stack overflow, a format string, or a heap primitive.
Apple Pies 100
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
Be The Boss 50
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
Stdin 70
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
Threes A Crowd 100
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
Steganography4
Find the payload hidden inside a carrier that looks ordinary. Bit planes, appended data, metadata, and audio spectrograms.
Calvin Meets A Hitchhiker 30
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
Harry Potter 30
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
Look At These Colours 40
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
Who Made Me 100
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.
Crack This 50
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
Johny 25
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 engineering2
Work out what a compiled program does without its source, then work backwards from the check to the input that passes it.
Smart Ass Bad Ass Great Ass 50
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
Vault 50
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