Binary Search #
Difficulty: Easy
Author: Jeffery John
Description:
What was I last working on? I remember writing a note to help me remember…
You can download the challenge files here:
Flag: picoCTF{t1m3m@ch1n3_8defe16a}
Solve: #
Downloaded file contains a .git folder and a message.txt file.
┌──(psychic㉿0xShakhawat)-[~/ctf/picoctf/Time Machine/drop-in]
└─$ ls -a
. .. .git message.txt
I checked the message.txt
┌──(psychic㉿0xShakhawat)-[~/ctf/picoctf/Time Machine/drop-in]
└─$ cat message.txt
This is what I was working on, but I'd need to look at my commit history to know why...
Here, the message talking about “commit history”.
So, I checked for the .git folder. And I found the flag on .git/logs/refs/heads/master file
Here is output of the file:
┌──(psychic㉿0xShakhawat)-[~/…/.git/logs/refs/heads]
└─$ cat master
0000000000000000000000000000000000000000 10228f3d6437701ef5aaac04213757031f30ebec picoCTF <[email protected]> 1710202044 +0000 commit (initial):
picoCTF{t1m3m@ch1n3_8defe16a}