[metadata]
creation_date = "2020/08/13"
maturity = "production"
updated_date = "2020/12/17"

[rule]
author = ["Elastic"]
description = """
Detects the creation or modification of a new Group Policy based scheduled task or service. These methods are used for
legitimate system administration, but can also be abused by an attacker with domain admin permissions to execute a
malicious payload remotely on all or a subset of the domain joined machines.
"""
from = "now-9m"
index = ["winlogbeat-*", "logs-endpoint.events.*"]
language = "kuery"
license = "Elastic License"
name = "Creation or Modification of a new GPO Scheduled Task or Service"
risk_score = 21
rule_id = "c0429aa8-9974-42da-bfb6-53a0a515a145"
severity = "low"
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Persistence"]
type = "query"

query = '''
event.category:file and not event.type:deletion and
  file.path:(C\:\\Windows\\SYSVOL\\domain\\Policies\\*\\MACHINE\\Preferences\\ScheduledTasks\\ScheduledTasks.xml or
             C\:\\Windows\\SYSVOL\\domain\\Policies\\*\\MACHINE\\Preferences\\Preferences\\Services\\Services.xml) and
  not process.name:dfsrs.exe
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1053"
name = "Scheduled Task/Job"
reference = "https://attack.mitre.org/techniques/T1053/"


[rule.threat.tactic]
id = "TA0003"
name = "Persistence"
reference = "https://attack.mitre.org/tactics/TA0003/"

