SigmaHQ/rules/windows/sysmon/sysmon_invoke_phantom.yml
2020-01-30 17:26:09 +01:00

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YAML

title: Suspect Svchost Memory Asccess
id: 166e9c50-8cd9-44af-815d-d1f0c0e90dde
status: experimental
description: Detects suspect access to svchost process memory such as that used by Invoke-Phantom to kill the winRM windows event logging service.
author: Tim Burrell
date: 2020/01/02
references:
- https://github.com/hlldz/Invoke-Phant0m
- https://twitter.com/timbmsft/status/900724491076214784
tags:
- attack.t1089
- attack.defense_evasion
logsource:
product: windows
service: sysmon
detection:
selection:
EventID: 10
TargetImage: '*\windows\system32\svchost.exe'
GrantedAccess: '0x1f3fff'
CallTrace:
- '*unknown*'
condition: selection
falsepositives:
- unknown
level: high