Synopsis
Activation Period |
14 Days |
Training Period |
30 Days |
Test Period |
N/A (single event) |
Deduplication Period |
1 Day |
Required Data |
|
Detection Modules |
|
Detector Tags |
Webshell Analytics |
ATT&CK Tactic |
|
ATT&CK Technique |
|
Severity |
Low |
Description
An uncommon executable or script file was created, written, or renamed by a web server process.
Attacker's Goals
Gain the ability to execute commands on the host and establish persistence.
Investigative actions
- Review web server access logs for suspicious requests or uploads.
- Inspect the dropped file to determine whether it contains malicious content.
Variations
A driver was written by a web server processExecutable or Script file written by a web server process in an internet facing server
Executable or Script file written by a web server process with connections from various sources and high web traffic