defense_evasion_attempt_to_disable_syslog_service.toml

[metadata]
creation_date = "2020/04/27"
integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/02/22"

[rule]
author = ["Elastic"]
description = """
Adversaries may attempt to disable the syslog service in an attempt to an attempt to disrupt event logging and evade
detection by security controls.
"""
from = "now-9m"
index = ["auditbeat-*", "logs-endpoint.events.*", "endgame-*"]
language = "kuery"
license = "Elastic License v2"
name = "Attempt to Disable Syslog Service"
risk_score = 47
rule_id = "2f8a1226-5720-437d-9c20-e0029deb6194"
severity = "medium"
tags = ["Elastic", "Host", "Linux", "Threat Detection", "Defense Evasion", "Elastic Endgame"]
timestamp_override = "event.ingested"
type = "query"

query = '''
event.category:process and host.os.type:linux and event.type:(start or process_started) and
  ((process.name:service and process.args:stop) or
     (process.name:chkconfig and process.args:off) or
     (process.name:systemctl and process.args:(disable or stop or kill)))
  and process.args:(syslog or rsyslog or "syslog-ng")
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1562"
name = "Impair Defenses"
reference = "https://attack.mitre.org/techniques/T1562/"
[[rule.threat.technique.subtechnique]]
id = "T1562.001"
name = "Disable or Modify Tools"
reference = "https://attack.mitre.org/techniques/T1562/001/"



[rule.threat.tactic]
id = "TA0005"
name = "Defense Evasion"
reference = "https://attack.mitre.org/tactics/TA0005/"