mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 17:58:52 +00:00
30 lines
1.0 KiB
YAML
30 lines
1.0 KiB
YAML
title: Suspect Svchost Activity
|
|
id: 16c37b52-b141-42a5-a3ea-bbe098444397
|
|
status: experimental
|
|
description: It is extremely abnormal for svchost.exe to spawn without any CLI arguments and is normally observed when a malicious process spawns the process and injects code into the process memory space.
|
|
references:
|
|
- https://securitybytes.io/blue-team-fundamentals-part-two-windows-processes-759fe15965e2
|
|
author: David Burkett
|
|
date: 2019/12/28
|
|
tags:
|
|
- attack.t1055
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
detection:
|
|
selection1:
|
|
CommandLine: null
|
|
selection2:
|
|
Image: '*\svchost.exe'
|
|
filter:
|
|
ParentImage:
|
|
- '*\rpcnet.exe'
|
|
- '*\rpcnetp.exe'
|
|
condition: (selection1 and selection2) and not filter
|
|
fields:
|
|
- CommandLine
|
|
- ParentCommandLine
|
|
falsepositives:
|
|
- rpcnet.exe / rpcnetp.exe which is a lojack style software. https://www.blackhat.com/docs/us-14/materials/us-14-Kamlyuk-Kamluk-Computrace-Backdoor-Revisited.pdf
|
|
level: critical
|