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sigma-rules/rules/windows/lateral_movement_remote_services.toml
T

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1.6 KiB
TOML

[metadata]
creation_date = "2020/11/16"
maturity = "production"
updated_date = "2021/03/08"
[rule]
author = ["Elastic"]
description = """
Identifies remote execution of Windows services over remote procedure call (RPC). This could be indicative of lateral
movement, but will be noisy if commonly done by administrators."
"""
from = "now-9m"
index = ["logs-endpoint.events.*", "winlogbeat-*", "logs-windows.*"]
language = "eql"
license = "Elastic License v2"
name = "Remotely Started Services via RPC"
risk_score = 47
rule_id = "aa9a274d-6b53-424d-ac5e-cb8ca4251650"
severity = "medium"
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Lateral Movement"]
type = "eql"
query = '''
sequence with maxspan=1s
[network where process.name : "services.exe" and
network.direction == "incoming" and network.transport == "tcp" and
source.port >= 49152 and destination.port >= 49152 and source.address not in ("127.0.0.1", "::1")
] by host.id, process.entity_id
[process where event.type in ("start", "process_started") and process.parent.name : "services.exe" and
not (process.name : "svchost.exe" and process.args : "tiledatamodelsvc") and
not (process.name : "msiexec.exe" and process.args : "/V")
/* uncomment if psexec is noisy in your environment */
/* and not process.name : "PSEXESVC.exe" */
] by host.id, process.parent.entity_id
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1021"
name = "Remote Services"
reference = "https://attack.mitre.org/techniques/T1021/"
[rule.threat.tactic]
id = "TA0008"
name = "Lateral Movement"
reference = "https://attack.mitre.org/tactics/TA0008/"