sigma-rules/rules/windows/lateral_movement_powershell_remoting_target.toml

[metadata]
creation_date = "2020/11/24"
maturity = "production"
updated_date = "2022/02/28"

[rule]
author = ["Elastic"]
description = """
Identifies remote execution via Windows PowerShell remoting. Windows PowerShell remoting allows a user to run any Windows
PowerShell command on one or more remote computers. This could be an indication of lateral movement.
"""
false_positives = [
    """
    PowerShell remoting is a dual-use protocol that can be used for benign or malicious activity. It's important to
    baseline your environment to determine the amount of noise to expect from this tool.
    """,
]
from = "now-9m"
index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"]
language = "eql"
license = "Elastic License v2"
name = "Incoming Execution via PowerShell Remoting"
references = [
    "https://docs.microsoft.com/en-us/powershell/scripting/learn/remoting/running-remote-commands?view=powershell-7.1",
]
risk_score = 47
rule_id = "2772264c-6fb9-4d9d-9014-b416eed21254"
severity = "medium"
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Lateral Movement"]
type = "eql"

query = '''
sequence by host.id with maxspan = 30s
   [network where network.direction : ("incoming", "ingress") and destination.port in (5985, 5986) and
    network.protocol == "http" and source.ip != "127.0.0.1" and source.ip != "::1"
   ]
   [process where event.type == "start" and process.parent.name : "wsmprovhost.exe" and not process.name : "conhost.exe"]
'''


[[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/"