Trickery Index

Recent posts

Feb 16, 2017
BSIDES CTF 2017 - nibbler writeup Alright. Alright, I’m doing this one. So for the nibbler challenge we’ve got something pretty simple - a source code of basically a Snake game, with a little bit of a twist in that instead of your usual score items the snake eats literally nibbles, or 4-bit chunks of data, that increment their value every tick while on the field (wrapping around of course) and stores them consequentially in memory that gets executed at the time of its death.…
Feb 15, 2017
BSIDES CTF 2017 - ximage writeup Well this was a fun one. So what we’ve got here is this archive of seven BMP images: ximage.…
Feb 13, 2017
Codegate 2017 Prequals - Meow writeup We’re given a binary which won’t lauch without libcrypto1.0.0.so, and when launched asks for a password.…
Feb 9, 2017
BITSCTF 2017 - Woodstock 1/2 writeup In this double challenge, we’re provided with a pcap of some sort of TCP communication between two hosts.…
Oct 23, 2016
hack you spb CTF 2016 - Pwn300 Little Roppy writeup This time we’re given only a server address and a hint that the username is admin and the password is three letters.…
Oct 22, 2016
hack you spb CTF 2016 - Crypto300 Mountain writeup We have on our hands an encrypted file, which is supposed to be a PDF judging from the challenge’s description, and the python script which was used to perform the encryption.…
Oct 21, 2016
hack you spb CTF 2016 - Rev300 Serious Business writeup There is an ELF binary, and we need to get an RCE from it. Shouldn’t this be in the pwn category?…
Oct 21, 2016
hack you spb CTF 2016 - Web200 Decoder writeup In this challenge, we are presented with a simple login page and its source code, which is easily injectable:…
Oct 10, 2016
Hackover CTF 2016 - thecard writeup Okay, this has been a simple one, but worth describing nevertheless. We’ve got presumably an SD card image, thecard.…
Oct 10, 2016
Hackover CTF 2016 - tiny_backdoor writeup This challenge was split in two parts; in both of them we get a tiny binary (680 and 720 bytes long, respectively).…