bandit闯关解答

Bandit是一个通过使用linux指令来闯关的一个小游戏，使用本关的用户名密码登录服务器后根据提示使用linux命令来找出下一关的登录密码，旨在提高新手对linux指令的熟悉，以下为我闯关的过程及解决思路。

Server： bandit.labs.overthewire.org
Port： 2220
User Name: bandit0
Password: bandit0

Level 1:

bandit0@bandit:~$ ls
readme
bandit0@bandit:~$ vi readme

  1 boJ9jbbUNNfktd78OOpsqOltutMc3MY1

Level 2:

bandit1@bandit:~$ ls
-
bandit1@bandit:~$ vi ./-

  1 CV1DtqXWVFXTvM2F0k09SHz0YwRINYA9

Level 3:

bandit2@bandit:~$ ls
spaces in this filename
bandit2@bandit:~$ vi spaces\ in\ this\ filename 

  1 UmHadQclWmgdLOKQ3YNgjWxGoRMb5luK

Level 4:

bandit3@bandit:~$ ls
inhere
bandit3@bandit:~$ cd inhere/
bandit3@bandit:~/inhere$ ls -la
total 12
drwxr-xr-x 2 root    root    4096 May  7  2020 .
drwxr-xr-x 3 root    root    4096 May  7  2020 ..
-rw-r----- 1 bandit4 bandit3   33 May  7  2020 .hidden
bandit3@bandit:~/inhere$ vi .hidden 

  1 pIwrPrtPN36QITSp3EQaw936yaFoFgAB

Level 5:

bandit4@bandit:~$ ls
inhere
bandit4@bandit:~$ cd inhere/
bandit4@bandit:~/inhere$ ls
-file00  -file02  -file04  -file06  -file08
-file01  -file03  -file05  -file07  -file09
bandit4@bandit:~/inhere$ file ./*
./-file00: data
./-file01: data
./-file02: data
./-file03: data
./-file04: data
./-file05: data
./-file06: data
./-file07: ASCII text
./-file08: data
./-file09: data
bandit4@bandit:~/inhere$ vi ./-file07 

  1 koReBOKuIDDepwhWk7jZC0RTdopnAYKh

Level 6:

bandit5@bandit:~$ ls
inhere
bandit5@bandit:~$ cd inhere/
bandit5@bandit:~/inhere$ ls
maybehere00  maybehere04  maybehere08  maybehere12  maybehere16
maybehere01  maybehere05  maybehere09  maybehere13  maybehere17
maybehere02  maybehere06  maybehere10  maybehere14  maybehere18
maybehere03  maybehere07  maybehere11  maybehere15  maybehere19
bandit5@bandit:~/inhere$ find -type f -size 1033c -exec ls -l {} \;
-rw-r----- 1 root bandit5 1033 May  7  2020 ./maybehere07/.file2
bandit5@bandit:~/inhere$ vi ./maybehere07/.file2

  1 DXjZPULLxYr17uwoI01bNLQbtFemEgo7

Level 7:

bandit6@bandit:~$ ls
bandit6@bandit:~$ find / -user bandit7 -group bandit6 -exec ls -la {} \;
find: 鈥?root鈥? Permission denied
find: 鈥?home/bandit31-git鈥? Permission denied
find: 鈥?lost+found鈥? Permission denied
...
find: 鈥?var/lib/polkit-1鈥? Permission denied
-rw-r----- 1 bandit7 bandit6 33 May  7  2020 /var/lib/dpkg/info/bandit7.password
find: 鈥?var/cache/ldconfig鈥? Permission denied
bandit6@bandit:~$ vi /var/lib/dpkg/info/bandit7.password 

  1 HKBPTKQnIay4Fw76bEy8PVxKEDQRKTzs

Level 8:

bandit7@bandit:~$ ls
data.txt
bandit7@bandit:~$ grep -F millionth data.txt 
millionth       cvX2JJa4CFALtqS87jk27qwqGhBM9plV
bandit7@bandit:~$ 

Level 9:

bandit8@bandit:~$ ls
data.txt
bandit8@bandit:~$ sort data.txt | uniq -u
UsvVyFSfZZWbi6wgC7dAFyFuR6jQQUhR

Level 10：:

bandit9@bandit:~$ ls
data.txt
bandit9@bandit:~$ strings data.txt | grep -F ===
========== the*2i"4
========== password
Z)========== is
&========== truKLdjsbJ5g7yyJ2X2R0o3a5HQJFuLk
bandit9@bandit:~$ 

Level 11:

bandit10@bandit:~$ ls
data.txt
bandit10@bandit:~$ base64 -d data.txt 
The password is IFukwKGsFW8MOq3IRFqrxE1hxTNEbUPR
bandit10@bandit:~$ 

Level 12:

bandit11@bandit:~$ ls
data.txt
bandit11@bandit:~$ cat data.txt 
Gur cnffjbeq vf 5Gr8L4qetPEsPk8htqjhRK8XSP6x2RHh
bandit11@bandit:~$ cat data.txt | tr a-zA-Z n-za-mN-ZA-M
The password is 5Te8Y4drgCRfCx8ugdwuEX8KFC6k2EUu
bandit11@bandit:~$