Linux Strength Training

Prompts and answers

• What is the correct option for finding files based on group
  -group
• What is format for finding a file with the user named Francis and with a size of 52 kilobytes in the directory /home/francis/
  find /home/francis -type f -user francis -size 52k
• SSH as topson using his password topson. Go to the /home/topson/chatlogs directory and type the following: grep -iRl 'keyword'. What is the name of the file that you found using this command?
  2019-10-11
• What are the characters subsequent to the word you found?
  ttitor
• Read the file named 'ReadMeIfStuck.txt'. What is the Flag?
  Flag{81726350827fe53g}
• Hypothetically, you find yourself in a directory with many files and want to move all these files to the directory of /home/francis/logs. What is the correct command to do this?
  mv * /home/francis/logs
• Hypothetically, you want to transfer a file from your /home/james/Desktop/ with the name script.py to the remote machine (192.168.10.5) directory of /home/john/scripts using the username of john. What would be the full command to do this?
  scp /home/james/Desktop/script.py john@192.168.10.5:/home/john/scripts
• How would you rename a folder named -logs to -newlogs
  mv -- -logs -newlogs
• How would you copy the file named encryption keys to the directory of /home/john/logs
  cp "encryption keys" /home/john/logs
• Find a file named readME_hint.txt inside topson's directory and read it. Using the instructions it gives you, get the second flag.
  Flag{234@i4s87u5hbn$3}
• Download the hash file attached to this task and attempt to crack the MD5 hash. What is the password?
  secret123
• What is the hash type stored in the file hashA.txt
  MD4
• Crack hashA.txt using john the ripper, what is the password?
  admin
• What is the hash type stored in the file hashB.txt
  SHA-1
• Find a wordlist with the file extention of '.mnf' and use it to crack the hash with the filename hashC.txt. What is the password?
  unacvaolipatnuggi
• Crack hashB.txt using john the ripper, what is the password?
  letmein
• what is the name of the tool which allows us to decode base64 strings?
  base64
• find a file called encoded.txt. What is the special answer?
  john
• You wish to encrypt a file called history_logs.txt using the AES-128 scheme. What is the full command to do this?
  gpg --cipher-algo AES-128 --symmetric history_logs.txt
• What is the command to decrypt the file you just encrypted?
  gpg history_logs.txt.gpg
• Find an encrypted file called layer4.txt, its password is bob. Use this to locate the flag. What is the flag?
  Flag{B07$f854f5ghg4s37}
• Find an encrypted file called personal.txt.gpg and find a wordlist called data.txt. Use tac to reverse the wordlist before brute-forcing it against the encrypted file. What is the password to the encrypted file?
  valamanezivonia
• What is written in this now decrypted file?
  getting stronger in linux
• Find a file called employees.sql and read the SQL database. (Sarah and Sameer can log both into mysql using the password: password). Find the flag contained in one of the tables. What is the flag?
  Flag{13490AB8}
• What is Sameer's SSH password?
  thegreatestpasswordever000
• What is the password for the sql database back-up copy
  ebqattle
• Find the SSH password of the user James. What is the password?
  vuimaxcullings
• What is the root flag?
  Flag{6$8$hyJSJ3KDJ3881}