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sigma-rules/rules/windows/discovery_net_command_system_account.toml
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Jonhnathan 73b3bec457 [Security Content] Update rules based on docs review (#1803)
* Adds suggestions from security-docs

* Update rules/windows/lateral_movement_powershell_remoting_target.toml

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>

Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>

(cherry picked from commit 1c50f35aed)
2022-03-02 00:41:56 +00:00

45 lines
1.2 KiB
TOML

[metadata]
creation_date = "2020/03/18"
maturity = "production"
updated_date = "2022/02/28"
[rule]
author = ["Elastic"]
description = """
Identifies when the SYSTEM account uses an account discovery utility. This could be a sign of discovery activity after
an adversary has achieved privilege escalation.
"""
from = "now-9m"
index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"]
language = "eql"
license = "Elastic License v2"
name = "Net command via SYSTEM account"
risk_score = 21
rule_id = "2856446a-34e6-435b-9fb5-f8f040bfa7ed"
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.Ext.token.integrity_level_name : "System" or
winlog.event_data.IntegrityLevel : "System") and
process.name : "whoami.exe" or
(process.name : "net1.exe" and not process.parent.name : "net.exe")
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1033"
reference = "https://attack.mitre.org/techniques/T1033/"
name = "System Owner/User Discovery"
[rule.threat.tactic]
id = "TA0007"
reference = "https://attack.mitre.org/tactics/TA0007/"
name = "Discovery"