SigmaHQ/rules/web/web_webshell_keyword.yml
2017-09-12 23:54:04 +02:00

21 lines
545 B
YAML

title: Webshell Detection by Keyword
description: Detects webshells that use GET requests by keyword sarches in URL strings
author: Florian Roth
logsource:
category: webserver
detection:
keywords:
- '=whoami'
- '=net%20user'
- '=cmd%20/c%20'
condition: keywords
fields:
- client_ip
- url
- response
falsepositives:
- Web sites like wikis with articles on os commands and pages that include the os commands in the URLs
- User searches in search boxes of the respective website
level: high