Linux Challenges
[Task 1] Introduction
How many visible files can you see in garrys home directory?
A: 3
[Task 2] The Basics
#1 What is flag 1?
#2 Log into bob's account using the credentials shown in flag 1.
What is flag 2?
#3 Flag 3 is located wherer bob's bash history gets stored.
#4 Flag 4 is located where cron jobs are created.
#5 Find and retrieve flag 5.
#6 "Grep" through flag 6 and find the flag. The first 2 characters of the flag is c9.
#7 Look at the systems processes. What is flag 7.
#8 De-compress and get flag 8.
#9 By look in your hosts file, locate and retrieve flag 9.
#10 Find all other users on the system. What is flag 10.
[Task 3] Linux Functionality
#1 Run the command flag11. Locate where your command alias are stored and get flag 11.
#2 Flag12 is located where MOTD's are usually found on an Ubuntu OS. What is flag12?
#3 Find the difference between two script files to find flag 13.
#4 Where on the file system are logs typically stored? Find flag 14.
#5 Can you find information about the system, such as the kernel version etc. Find flag 15.
#6 Flag 16 lies within another system mount.
#7 Login to alice's account and get flag 17.
#8 Find the hidden flag 18.
#9 Read the 2345th line of the file that contain flag 19.
[Task 4] Data Representation, Strings and Permissions
#1 Find and retrieve flag 20.
#2 Inspect the flag21.php file. Find the flag.
#3 Locate and read flag 22. Its represented as hex.
#4 Locate, read and reverse flag 23.
#5 Analyze the flag 24 compiled C program. Find a command that might reveal human readable strings when looking in the source code.
#7 Find flag 26 by searching the all files for a string that begins with 4bceb and is 32 characters long.
#8 Locate and retrieve flag 27, which is owned by the root user.
#9 Whats the Linux kernel version?
#10 Find the file called flag 29 and do the following operations on it:
Remove all spaces in file.
Remove all new lines spaces.
Split by comma and get the last element in the split.
[Task 5] SQL, FTP, Groups and RDP
#1 Use curl to find flag 30
#2 Flag 31 is a MySQL database name.
MySQL username: root
MySQL password: hello
#3 Bonus flag question, get data out of the table from the database you found above!
#4 Using SCP, FileZilla or another FTP client download flag32.mp3 to reveal flag 32.
#5 Flag 33 is located where your personal $PATH's are stored.
#6 Switch your account back to bob. Using system variables, what is flag34?
#7 Look at all groups created on the system. What is flag 35?
#8 Find the user which is apart of the "hacker" group and read flag 36.
Last updated
