Exercises

Exercise Avg. Time Difficulty Solved by Tier
API 02 API
This exercise is the API version of an exercise you already solved in another badge. You should use it to get more confident with discovering vulnerabilities without any hint on what to look for.
< 1 Hr. easy 3010 PRO
HTTP 10
This challenge covers how to send specific HTTP requests
< 1 Hr. easy 3832 PRO
HTTP 07
This challenge covers how to send specific HTTP requests
< 1 Hr. easy 4035 PRO
HTTP 06
This challenge covers how to send specific HTTP requests
< 1 Hr. easy 4124 PRO
HTTP 08
This challenge covers how to send specific HTTP requests
< 1 Hr. easy 4024 PRO
HTTP 03
This challenge covers how to send specific HTTP requests
< 1 Hr. easy 4474 PRO
HTTP 04
This challenge covers how to send specific HTTP requests
< 1 Hr. easy 4319 PRO
HTTP 05
This challenge covers how to send specific HTTP requests
< 1 Hr. easy 4236 PRO
HTTP 01
This challenge covers how to send specific HTTP requests
< 1 Hr. easy 4964 PRO
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
Recon 25
In this challenge, you need to look for a file named key2.txt in the place used to serve the assets for the main website
1-2 Hr. easy 3216 FREE
Code Review 16
This exercise is one of our challenges to help you learn how to review real source code
< 1 Hr. easy 434 PRO
Recon 20
In this challenge, you need to look at the branches in repo3
< 1 Hr. easy 5316 FREE
Recon 21
In this challenge, you need to look at the information in the branches for repo4
< 1 Hr. easy 5194 FREE
Recon 23
In this challenge, you need to look for sensitive information in commit messages
< 1 Hr. easy 4975 FREE
Recon 13
In this challenge, you need to find the TXT record linked to key.z.hackycorp.com
< 1 Hr. easy 6617 FREE
Recon 14
In this challenge, you need to find a TXT record by doing a zone transfer on z.hackycorp.com
< 1 Hr. easy 5933 FREE
Recon 15
In this challenge, you need to find a TXT record by doing a zone transfer on the internal zone "int"
< 1 Hr. easy 5400 FREE
Recon 11
< 1 Hr. easy 6035 FREE
Recon 12
< 1 Hr. easy 6592 FREE
Recon 06
This exercise covers default vhost
< 1 Hr. easy 11758 FREE
Recon 07
This exercise covers default TLS vhost
< 1 Hr. easy 10681 FREE
Recon 09
< 1 Hr. easy 10321 FREE
Code Review 08
This exercise is one of our challenges to help you learn how to review real source code
1-2 Hr. easy 440 PRO
Recon 00
This exercise covers the robots.txt file
< 1 Hr. easy 21503 FREE
Recon 02
This exercise covers the security.txt file
< 1 Hr. easy 18124 FREE
Recon 03
This exercise covers directory listing
< 1 Hr. easy 16265 FREE
Java Serialize 01
This exercise is one of our challenges to help you learn Java Serialisation exploitation
< 1 Hr. easy 428 PRO
XSS Include XSS
This exercise covers how to use Cross-Site-Scripting Include to leak information
< 1 Hr. easy 1365 PRO
JS Prototype Pollution
This exercise covers how to exploit Prototype Pollution against a JavaScript application
< 1 Hr. easy 943 PRO
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Showing 121–150 of 266 exercises