Description
C99Shell is a PHP-based web shell that provides remote command execution, file browsing, and file upload capabilities on compromised web servers.
Stats
- First seen
- June 2022
- Last seen
- September 2026
Also known as
C99shell
Alert name variants
| Alert Name |
|---|
| Backdoor.C99shell.S |
| Backdoor.PHP.C99Shell.AE |
| Backdoor.PHP.C99Shell.AQ |
| Backdoor.PHP.C99Shell.BA |
| Backdoor.PHP.C99Shell.BG |
| Backdoor.PHP.C99Shell.BK |
| Backdoor.PHP.C99Shell.P |
| Backdoor.PHP.C99Shell.Q |
| Generic.C99Shell.1A1C024B |
| Generic.C99Shell.26FAD757 |