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hayabusa/rules/sigma/process_access/sysmon_invoke_phantom.yml
DustInDark 0cfa806baf Feature/addruletype to sigma rule#230 (#235)
* added ruletype to SIGMA rule #230

* added ruletype to SIGMA rule converter tool #231
2021-11-28 18:14:51 +09:00

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YAML

title: Suspect Svchost Memory Asccess
author: Tim Burrell
date: 2020/01/02
description: Detects suspect access to svchost process memory such as that used by
Invoke-Phantom to kill the winRM windows event logging service.
detection:
SELECTION_1:
EventID: 10
SELECTION_2:
TargetImage: '*\WINDOWS\System32\svchost.exe'
SELECTION_3:
GrantedAccess: '0x1F3FFF'
SELECTION_4:
CallTrace: '*UNKNOWN*'
condition: (SELECTION_1 and SELECTION_2 and SELECTION_3 and SELECTION_4)
falsepositives:
- unknown
id: 166e9c50-8cd9-44af-815d-d1f0c0e90dde
level: high
logsource:
category: process_access
product: windows
modified: 2021/10/21
references:
- https://github.com/hlldz/Invoke-Phant0m
- https://twitter.com/timbmsft/status/900724491076214784
status: experimental
tags:
- attack.defense_evasion
- attack.t1562.002
- attack.t1089
ruletype: SIGMA