Files
sigma-rules/rules/windows/discovery_admin_recon.toml
T
Jonhnathan 61afb1c1c0 [Rule Tuning] Update threat mappings for Windows rules (#1497)
* Windows Rules Att&ck Mapping review

* Bump updated_date and fix reference URLs

* Fix subtechnique

* Fix test errors
2021-09-23 12:08:38 -05:00

63 lines
1.8 KiB
TOML

[metadata]
creation_date = "2020/12/04"
maturity = "production"
updated_date = "2021/09/23"
[rule]
author = ["Elastic"]
description = """
Identifies instances of lower privilege accounts enumerating Administrator accounts or groups using built-in Windows
tools.
"""
from = "now-9m"
index = ["logs-endpoint.events.*", "winlogbeat-*", "logs-windows.*"]
language = "eql"
license = "Elastic License v2"
name = "Enumeration of Administrator Accounts"
risk_score = 21
rule_id = "871ea072-1b71-4def-b016-6278b505138d"
severity = "low"
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Discovery"]
timestamp_override = "event.ingested"
type = "eql"
query = '''
process where event.type in ("start", "process_started") and
(((process.name : "net.exe" or process.pe.original_file_name == "net.exe") or
((process.name : "net1.exe" or process.pe.original_file_name == "net1.exe") and
not process.parent.name : "net.exe")) and
process.args : ("group", "user", "localgroup") and
process.args : ("admin", "Domain Admins", "Remote Desktop Users", "Enterprise Admins", "Organization Management") and
not process.args : "/add")
or
((process.name : "wmic.exe" or process.pe.original_file_name == "wmic.exe") and
process.args : ("group", "useraccount"))
'''
[[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.technique]]
id = "T1087"
name = "Account Discovery"
reference = "https://attack.mitre.org/techniques/T1087/"
[rule.threat.tactic]
id = "TA0007"
name = "Discovery"
reference = "https://attack.mitre.org/tactics/TA0007/"