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[Kaspersky Industrial CTF Quals 2017] Security Home Cameras Write-up (Crypto300)

The smart home system has the function of remote monitoring of what is happening in the home and every few minutes sends pictures of the surveillance cameras to the owner of the house. You successfully intercepted the network traffic of… Continue Reading →

[Hack.lu CTF 2017] Mistune Write-up (Web150)

Markdown parsers are fun. Now click here and steal the cookie! The website has two pages. One for testing the markdown parser and second to send a message to the admin. The website also tells us that the admin will… Continue Reading →

[BackdoorCTF 2017] JUST-DO-IT Write-up (Pwn250)

h3rcul35 was in a hurry to finish making challenges so he made a simple one. He says its a baby challenge, can you pwn it? nc hack.bckdr.in 9036 32_chal libc.so.6 So, we are given a binary and it claims to… Continue Reading →

[BackdoorCTF 2017] NO-CALM Write-up (Reverse350)

h3rcul35 and starlord were having a heated conversation and to c00l down the furious starlord, h3rcul35 gave him a binary and said “The binary takes each ‘character’ byte of the flag as argument. Given this info, grab the flag. I… Continue Reading →

[BackdoorCTF 2017] BABY-0x41414141 Write-up (Pwn150)

h3rcul35 was giving a lecture on writing secure codes. A n00b refused to accept the statement by h3rcul35, “NEVER EVER TRUST THE USER”. The n00b gave him a binary and said its secure. h3rcul35 solved it within a few minutes…. Continue Reading →

[BackdoorCTF 2017] THE-WALL Write-up (Web100)

Night king needs the secret flag to destroy the wall. Help night king get flag from LordCommander(admin) so that army of dead can kill the living Here The website has a form which makes a POST request with username and… Continue Reading →

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