G33K @ Work | Geeky stuff

Archive for März 2015

This blogpost describes how we from StratumAuhuur solved the pirate_danbi challenge in the Codegate 2015 Preliminary CTF.


The binary is a simple server started via inetd. After startup it generates two strings containing the IP-address of the client to be used as filenames for storing a bz2 compressed file and the extracted bz2 file in /tmp. It also reads an 8 byte long key file from disk.
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