mirror of
https://github.com/valitydev/SigmaHQ.git
synced 2024-11-07 17:58:52 +00:00
30 lines
1.1 KiB
YAML
30 lines
1.1 KiB
YAML
title: Persistence and Execution at Scale via GPO Scheduled Task
|
|
id: a8f29a7b-b137-4446-80a0-b804272f3da2
|
|
description: Detect lateral movement using GPO scheduled task, usually used to deploy ransomware at scale
|
|
author: Samir Bousseaden
|
|
date: 2019/04/03
|
|
references:
|
|
- https://twitter.com/menasec1/status/1106899890377052160
|
|
- https://www.secureworks.com/blog/ransomware-as-a-distraction
|
|
tags:
|
|
- attack.persistence
|
|
- attack.lateral_movement
|
|
- attack.t1053 # an old one
|
|
- attack.t1053.005
|
|
logsource:
|
|
product: windows
|
|
service: security
|
|
definition: 'The advanced audit policy setting "Object Access > Audit Detailed File Share" must be configured for Success/Failure'
|
|
detection:
|
|
selection:
|
|
EventID: 5145
|
|
ShareName: \\*\SYSVOL
|
|
RelativeTargetName|endswith: 'ScheduledTasks.xml'
|
|
Accesses|contains:
|
|
- 'WriteData'
|
|
- '%%4417'
|
|
condition: selection
|
|
falsepositives:
|
|
- if the source IP is not localhost then it's super suspicious, better to monitor both local and remote changes to GPO scheduledtasks
|
|
level: high
|