SigmaHQ/rules/windows/sysmon/sysmon_webshell_spawn.yml

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605 B
YAML

title: Shells spawned by Web Servers
status: experimental
description: Web servers that spawn shell processes could be the result of a successfully placed web shell or an other attack
author: Thomas Patzke
logsource:
product: sysmon
detection:
selection:
EventID: 1
ParentImage:
- '*\w3wp.exe'
- '*\httpd.exe'
- '*\nginx.exe'
Image:
- '*\cmd.exe'
- '*\sh.exe'
- '*\bash.exe'
condition: selection
falsepositives:
- Particular web applications may spawn a shell process legitimately
level: high