Description
What was I last working on? I remember writing a note to help me remember… You can download the challenge files here: challenge.zip
First, let’s download the provided .zip file on our terminal by running the following command:
wget https://artifacts.picoctf.net/c_titan/160/challenge.zip
1leewookb-picoctf@webshell:~$ ls
2README.txt challenge.zipLet’s unzip the downloaded file by running the following command:
unzip challenge.zip
1eewookb-picoctf@webshell:~$ unzip challenge.zip
2Archive: challenge.zip
3 creating: drop-in/
4 inflating: drop-in/message.txt
5 creating: drop-in/.git/
6 creating: drop-in/.git/branches/
7 inflating: drop-in/.git/description
8 creating: drop-in/.git/hooks/
9 inflating: drop-in/.git/hooks/applypatch-msg.sample
10 inflating: drop-in/.git/hooks/commit-msg.sample
11 inflating: drop-in/.git/hooks/fsmonitor-watchman.sample
12 inflating: drop-in/.git/hooks/post-update.sample
13 inflating: drop-in/.git/hooks/pre-applypatch.sample
14 inflating: drop-in/.git/hooks/pre-commit.sample
15 inflating: drop-in/.git/hooks/pre-merge-commit.sample
16 inflating: drop-in/.git/hooks/pre-push.sample
17 inflating: drop-in/.git/hooks/pre-rebase.sample
18 inflating: drop-in/.git/hooks/pre-receive.sample
19 inflating: drop-in/.git/hooks/prepare-commit-msg.sample
20 inflating: drop-in/.git/hooks/update.sample
21 creating: drop-in/.git/info/
22 inflating: drop-in/.git/info/exclude
23 creating: drop-in/.git/refs/
24 creating: drop-in/.git/refs/heads/
25 extracting: drop-in/.git/refs/heads/master
26 creating: drop-in/.git/refs/tags/
27 extracting: drop-in/.git/HEAD
28 inflating: drop-in/.git/config
29 creating: drop-in/.git/objects/
30 creating: drop-in/.git/objects/pack/
31 creating: drop-in/.git/objects/info/
32 creating: drop-in/.git/objects/43/
33 extracting: drop-in/.git/objects/43/246218ab4fc7b30e9a9dff073e012316851469
34 creating: drop-in/.git/objects/25/
35 extracting: drop-in/.git/objects/25/16effb8d70e33bdd0023629b164a77225e1ec2
36 creating: drop-in/.git/objects/89/
37 extracting: drop-in/.git/objects/89/d296ef533525a1378529be66b22d6a2c01e530
38 inflating: drop-in/.git/index
39 extracting: drop-in/.git/COMMIT_EDITMSG
40 creating: drop-in/.git/logs/
41 inflating: drop-in/.git/logs/HEAD
42 creating: drop-in/.git/logs/refs/
43 creating: drop-in/.git/logs/refs/heads/
44 inflating: drop-in/.git/logs/refs/heads/master
45leewookb-picoctf@webshell:~$ ls
46README.txt challenge.zip drop-inInside the drop-in folder, we have one file, message.txt
1leewookb-picoctf@webshell:~$ cd drop-in
2leewookb-picoctf@webshell:~/drop-in$ ls
3message.txt
4leewookb-picoctf@webshell:~/drop-in$ cat message.txt
5This is what I was working on, but I'd need to look at my commit history to know why...The file didn’t include the flag, we were looking for.
Let’s run ls -la command to reveal all the hidden files.
1leewookb-picoctf@webshell:~/drop-in$ ls -la
2total 4
3drwxr-xr-x 3 leewookb-picoctf leewookb-picoctf 37 Mar 12 00:07 .
4drwxr-xr-x 4 leewookb-picoctf leewookb-picoctf 185 Jul 7 05:04 ..
5drwxr-xr-x 8 leewookb-picoctf leewookb-picoctf 166 Mar 12 00:07 .git
6-rw-r--r-- 1 leewookb-picoctf leewookb-picoctf 87 Mar 12 00:07 message.txt
7leewookb-picoctf@webshell:~/drop-in$ cd .git
8leewookb-picoctf@webshell:~/drop-in/.git$ ls
9COMMIT_EDITMSG HEAD branches config description hooks index info logs objects refs
10leewookb-picoctf@webshell:~/drop-in/.git$ cat COMMIT_EDITMSG
11picoCTF{t1m3m@ch1n3_186cd7d7}flag: picoCTF{t1m3m@ch1n3_186cd7d7}