Exercises

Exercise Avg. Time Difficulty Solved by Tier
API 01 API
This exercise is the API version of an exercise you already solved in the Essential Badge. You should use it to get more confident with discovering vulnerabilities without any hint on what to look for.
< 1 Hr. easy 3518 PRO
API to Shell API
This exercise covers the exploitation of PHP type confusion to bypass a signature and the exploitation of unserialize.
2-4 Hr. hard 3513 PRO
1 2
Showing 31–32 of 32 exercises