Exercises

Exercise Avg. Time Difficulty Solved by Tier
Unix 32
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 14190 PRO
Unix 34
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 14122 PRO
Unix 33
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 14154 PRO
Unix 27
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 14745 PRO
Unix 29
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 14654 PRO
Unix 28
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 14691 PRO
Unix 26
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 14824 PRO
CBC-MAC II Crypto
This exercise covers the exploitation of an application using CBC-MAC when an attacker has control over the IV
1-2 Hr. medium 1763 PRO
JWT VI JWT
This exercise covers the exploitation of an injection in the kid element of a JWT. This injection can be used to bypass the signature mechanism
< 1 Hr. medium 2587 PRO
CVE-2018-6574: go get RCE
This exercise covers a remote command execution in Golang's go get command.
< 1 Hr. medium 905 PRO
Unix 11
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 19985 PRO
Unix 12
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 19439 PRO
Unix 13
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 18537 PRO
Unix 14
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 18080 PRO
Unix 15
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. medium 16514 PRO
Unix 16
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 16134 PRO
Unix 17
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 16261 PRO
Unix 18
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 16286 PRO
Unix 19
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 16186 PRO
Unix 20
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. medium 15177 PRO
Unix 21
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 15393 PRO
Unix 22
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 15253 PRO
Unix 23
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 15014 PRO
Unix 24
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 14927 PRO
JWT V JWT
This exercise covers the exploitation of a trivial secret used to sign JWT tokens.
< 1 Hr. medium 3067 PRO
Unix 01
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 25606 PRO
Unix 02
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 25282 PRO
Unix 03
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 24940 PRO
Unix 04
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 24591 PRO
Unix 05
This exercise is one of our challenges to help you learn more about Unix/Linux
< 1 Hr. easy 23379 PRO
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Showing 541–570 of 692 exercises