csaw21

Writeups for CSAW 2021 CTF

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Lazy Leaks

Writeup by: SinDaRemedy

Team: OnlyFeet

Writeup URL: GitHub


Someone at a company was supposedly using an unsecured communication channel. A dump of company communications was created to find any sensitive info leaks. See if you can find anything suspicious or concerning.

You Get a String! And You Get a String!

Downloading the Lazy_Leaks.pcapng file searched the file for strings then grepped for flag in the string.

$ strings Lazy_Leaks.pcapng | grep flag
1)flag{T00_L@ZY_4_$3CUR1TY}

Victory

Submit the flag and claim the points:

flag{T00L@ZY_4$3CUR1TY}