OverTheWire Bandit

 April 2, 2021    CTF

Bandit 0

• Connect to the bandit server with ssh bandit0@bandit.labs.overthewire.org -p 2220.
• ls shows a file called readme which can be read with the cat readme command.
• The password is boJ9jbbUNNfktd78OOpsqOltutMc3MY1.

Bandit 1

• We get a file named - which is interpreted by cat as a stdin, to get around this we can add a path to the filename cat /home/bandit1/-.
• The password is CV1DtqXWVFXTvM2F0k09SHz0YwRINYA9.

Bandit 2

• We get a file called spaces in this filename which can be opend by using apostrophes cat "spaces in this filename".
• The password is UmHadQclWmgdLOKQ3YNgjWxGoRMb5luK.

Bandit 3

• We can find a directory called inhere that can be accessed with cd inhere, in the folder is a file that can be listed with ls -al and read with cat .hidden.
• The password is pIwrPrtPN36QITSp3EQaw936yaFoFgAB.

Bandit 4

• We get a directory that contains a bunch of files, but only one is human-readable cat inhere/-file07.
• The password is koReBOKuIDDepwhWk7jZC0RTdopnAYKh.

Bandit 5

• We are looking for a human-readable file that is not executable and has a size of 1033 bytes find -type f -size 1033c ! -executable, it is called maybehere07/.file2.
• The password is DXjZPULLxYr17uwoI01bNLQbtFemEgo7.

Bandit 6

• We are looking for a file owned by user bandit7, group bandit6 and that is 33 bytes big find / -type f -size 33c -user bandit7 -group bandit6, it is called /var/lib/dpkg/info/bandit7.password.
• The password is HKBPTKQnIay4Fw76bEy8PVxKEDQRKTzs.

Bandit 7

• We get a data.txt file with a bunch of passwords in it, with grep data.txt | grep "millionth the file can be filtered.
• The password is cvX2JJa4CFALtqS87jk27qwqGhBM9plV.

Bandit 8

• We are looking for the only line that appears once in data.txt file cat data.txt | sort | uniq -u.
• The password is UsvVyFSfZZWbi6wgC7dAFyFuR6jQQUhR.

Bandit 9

• We are looking for are human-readable string with several ‘=’ characters strings data.txt | grep "=".
• The password is truKLdjsbJ5g7yyJ2X2R0o3a5HQJFuLk.

Bandit 10

• We get a base64 encoded password in the data.txt file strings data.txt | base64 --decode.
• The password is IFukwKGsFW8MOq3IRFqrxE1hxTNEbUPR.

Bandit 11

• We get a ROT13 encoded Text cat data.txt | tr A-Za-z N-ZA-Mn-za-m
• The password is 5Te8Y4drgCRfCx8ugdwuEX8KFC6k2EUu.

Bandit 12

• Convert the hexdump into a binary file xxd -r data1.txt data1.bin
• Figure out used compression with file data1.bin, it´s gzip and decompress it zcat data1.bin > data2.bin
• Figure out used compression with file data2.bin, it´s bzip2 and decompress it bzcat data2.bin > data3.bin
• Figure out used compression with file data3.bin, it´s gzip and decompress it zcat data3.bin > data4.bin
• Figure out used compression with file data4.bin, it´s tar and decompress it tar -x -O -f data4.bin > data5.bin
• Figure out used compression with file data5.bin, it´s tar and decompress it tar -x -O -f data5.bin > data6.bin
• Figure out used compression with file data6.bin, it´s bzip2 and decompress it bzcat data6.bin > data7.bin
• Figure out used compression with file data7.bin, it´s tar and decompress it tar -x -O -f data7.bin > data8.bin
• Figure out used compression with file data8.bin, it´s gzip and decompress it zcat data8.bin > data9.bin
• Figure out used compression with file data9.bin, it´s ASCII text and can be read with cat data9.bin
• The password is 8ZjyCRiBWFYkneahHwxCv3wb2a1ORpYL.

Bandit 13

• We get a private ssh key that can be used to log into bandit14 ssh -i sshkey.private bandit14@localhost
• The password is 4wcYUJFw0k0XLShlDzztnTBHiqxU3b3e.

Bandit 14

• We open up a telnet on port 30000 and submit the password telnet localhost 30000
• The password is BfMYroe26WYalil77FoDi9qh59eK5xNr.

Bandit 15

• We open up a ncat on port 30001 with SSL encryption and submit the password ncat --ssl localhost 30001
• The password is cluFn7wTiGryunymYOu4RcffSxQluehd.

Bandit 16

• A nmap localhost -p 31000-32000 gives us 5 potential ports, it was port 31960 ncat --ssl localhost 31960
• We get a RSA Private Key

  -----BEGIN RSA PRIVATE KEY-----
  MIIEogIBAAKCAQEAvmOkuifmMg6HL2YPIOjon6iWfbp7c3jx34YkYWqUH57SUdyJ
  imZzeyGC0gtZPGujUSxiJSWI/oTqexh+cAMTSMlOJf7+BrJObArnxd9Y7YT2bRPQ
  Ja6Lzb558YW3FZl87ORiO+rW4LCDCNd2lUvLE/GL2GWyuKN0K5iCd5TbtJzEkQTu
  DSt2mcNn4rhAL+JFr56o4T6z8WWAW18BR6yGrMq7Q/kALHYW3OekePQAzL0VUYbW
  JGTi65CxbCnzc/w4+mqQyvmzpWtMAzJTzAzQxNbkR2MBGySxDLrjg0LWN6sK7wNX
  x0YVztz/zbIkPjfkU1jHS+9EbVNj+D1XFOJuaQIDAQABAoIBABagpxpM1aoLWfvD
  KHcj10nqcoBc4oE11aFYQwik7xfW+24pRNuDE6SFthOar69jp5RlLwD1NhPx3iBl
  J9nOM8OJ0VToum43UOS8YxF8WwhXriYGnc1sskbwpXOUDc9uX4+UESzH22P29ovd
  d8WErY0gPxun8pbJLmxkAtWNhpMvfe0050vk9TL5wqbu9AlbssgTcCXkMQnPw9nC
  YNN6DDP2lbcBrvgT9YCNL6C+ZKufD52yOQ9qOkwFTEQpjtF4uNtJom+asvlpmS8A
  vLY9r60wYSvmZhNqBUrj7lyCtXMIu1kkd4w7F77k+DjHoAXyxcUp1DGL51sOmama
  +TOWWgECgYEA8JtPxP0GRJ+IQkX262jM3dEIkza8ky5moIwUqYdsx0NxHgRRhORT
  8c8hAuRBb2G82so8vUHk/fur85OEfc9TncnCY2crpoqsghifKLxrLgtT+qDpfZnx
  SatLdt8GfQ85yA7hnWWJ2MxF3NaeSDm75Lsm+tBbAiyc9P2jGRNtMSkCgYEAypHd
  HCctNi/FwjulhttFx/rHYKhLidZDFYeiE/v45bN4yFm8x7R/b0iE7KaszX+Exdvt
  SghaTdcG0Knyw1bpJVyusavPzpaJMjdJ6tcFhVAbAjm7enCIvGCSx+X3l5SiWg0A
  R57hJglezIiVjv3aGwHwvlZvtszK6zV6oXFAu0ECgYAbjo46T4hyP5tJi93V5HDi
  Ttiek7xRVxUl+iU7rWkGAXFpMLFteQEsRr7PJ/lemmEY5eTDAFMLy9FL2m9oQWCg
  R8VdwSk8r9FGLS+9aKcV5PI/WEKlwgXinB3OhYimtiG2Cg5JCqIZFHxD6MjEGOiu
  L8ktHMPvodBwNsSBULpG0QKBgBAplTfC1HOnWiMGOU3KPwYWt0O6CdTkmJOmL8Ni
  blh9elyZ9FsGxsgtRBXRsqXuz7wtsQAgLHxbdLq/ZJQ7YfzOKU4ZxEnabvXnvWkU
  YOdjHdSOoKvDQNWu6ucyLRAWFuISeXw9a/9p7ftpxm0TSgyvmfLF2MIAEwyzRqaM
  77pBAoGAMmjmIJdjp+Ez8duyn3ieo36yrttF5NSsJLAbxFpdlc1gvtGCWW+9Cq0b
  dxviW8+TFVEBl1O4f7HVm6EpTscdDxU+bCXWkfjuRb7Dy9GOtt9JPsX8MBTakzh3
  vBgsyi/sN3RqRBcGU40fOoZyfAMT8s1m/uYv52O6IgeuZ/ujbjY=
  -----END RSA PRIVATE KEY-----

• The password is xLYVMN9WE5zQ5vHacb0sZEVqbrp7nBTn.