Mika Ayenson, PhD
8993d1450b
--------- Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com> Co-authored-by: Isai <59296946+imays11@users.noreply.github.com> Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co> Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com> Co-authored-by: eric-forte-elastic <eric.forte@elastic.co>
62 lines
1.7 KiB
TOML
62 lines
1.7 KiB
TOML
[metadata]
|
|
creation_date = "2023/08/23"
|
|
integration = ["endpoint", "auditd_manager", "crowdstrike"]
|
|
maturity = "production"
|
|
updated_date = "2026/03/24"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
building_block_type = "default"
|
|
description = """
|
|
Identifies the execution of Linux built-in commands related to account or group enumeration. Adversaries may use account
|
|
and group information to orient themselves before deciding how to act.
|
|
"""
|
|
from = "now-119m"
|
|
index = ["logs-endpoint.events.*", "endgame-*", "auditbeat-*", "logs-auditd_manager.auditd-*", "logs-crowdstrike.fdr*"]
|
|
interval = "60m"
|
|
language = "eql"
|
|
license = "Elastic License v2"
|
|
name = "Discovery of Domain Groups"
|
|
risk_score = 21
|
|
rule_id = "b92d5eae-70bb-4b66-be27-f98ba9d0ccdc"
|
|
severity = "low"
|
|
tags = [
|
|
"Domain: Endpoint",
|
|
"OS: Linux",
|
|
"Use Case: Threat Detection",
|
|
"Tactic: Discovery",
|
|
"Rule Type: BBR",
|
|
"Data Source: Elastic Defend",
|
|
"Data Source: Elastic Endgame",
|
|
"Data Source: Auditd Manager",
|
|
"Data Source: Crowdstrike",
|
|
]
|
|
timestamp_override = "event.ingested"
|
|
type = "eql"
|
|
|
|
query = '''
|
|
process where host.os.type == "linux" and event.type == "start" and event.action in ("exec", "exec_event", "executed", "process_started", "ProcessRollup2")
|
|
and (
|
|
process.name in ("ldapsearch", "dscacheutil") or (process.name == "dscl" and process.args : "*-list*")
|
|
)
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
|
|
[[rule.threat.technique]]
|
|
id = "T1069"
|
|
name = "Permission Groups Discovery"
|
|
reference = "https://attack.mitre.org/techniques/T1069/"
|
|
|
|
[[rule.threat.technique.subtechnique]]
|
|
id = "T1069.002"
|
|
name = "Domain Groups"
|
|
reference = "https://attack.mitre.org/techniques/T1069/002/"
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0007"
|
|
name = "Discovery"
|
|
reference = "https://attack.mitre.org/tactics/TA0007/"
|