# Command Injection

- [1. OS command injection, simple case](/notes/labs/web-and-api-penetration-testing/portswigger/command-injection/1.-os-command-injection-simple-case.md)
- [2. Blind OS command injection with time delays](/notes/labs/web-and-api-penetration-testing/portswigger/command-injection/2.-blind-os-command-injection-with-time-delays.md)
- [3. Blind OS command injection with output redirection](/notes/labs/web-and-api-penetration-testing/portswigger/command-injection/3.-blind-os-command-injection-with-output-redirection.md)