41 lines
970 B
YAML
41 lines
970 B
YAML
|
|
title: Suspicious Service Binary Directory
|
|
author: Florian Roth
|
|
date: 2021/03/09
|
|
description: Detects a service binary running in a suspicious directory
|
|
detection:
|
|
SELECTION_1:
|
|
EventID: 1
|
|
SELECTION_2:
|
|
Image:
|
|
- '*\Users\Public\\*'
|
|
- '*\$Recycle.bin*'
|
|
- '*\Users\All Users\\*'
|
|
- '*\Users\Default\\*'
|
|
- '*\Users\Contacts\\*'
|
|
- '*\Users\Searches\\*'
|
|
- '*C:\Perflogs\\*'
|
|
- '*\config\systemprofile\\*'
|
|
- '*\Windows\Fonts\\*'
|
|
- '*\Windows\IME\\*'
|
|
- '*\Windows\addins\\*'
|
|
SELECTION_3:
|
|
ParentImage:
|
|
- '*\services.exe'
|
|
- '*\svchost.exe'
|
|
condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
|
|
falsepositives:
|
|
- Unknown
|
|
id: 883faa95-175a-4e22-8181-e5761aeb373c
|
|
level: high
|
|
logsource:
|
|
category: process_creation
|
|
product: windows
|
|
references:
|
|
- https://blog.truesec.com/2021/03/07/exchange-zero-day-proxylogon-and-hafnium/
|
|
status: experimental
|
|
tags:
|
|
- attack.defense_evasion
|
|
- attack.t1202
|
|
ruletype: SIGMA
|