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[New Rule] Active Directory Forced Authentication from Linux Host - SMB Named Pipes #3917

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[metadata]
creation_date = "2024/07/23"
integration = ["endpoint", "system"]
maturity = "production"
updated_date = "2024/07/23"

[rule]
author = ["Elastic"]
description = """
Identifies a potential forced authentication using related SMB named pipes. Attackers may attempt to force targets to
authenticate to a host controlled by them to capture hashes or enable relay attacks.
"""
from = "now-9m"
index = ["logs-endpoint.events.network-*", "logs-system.security-*"]
language = "eql"
license = "Elastic License v2"
name = "Active Directory Forced Authentication from Linux Host - SMB Named Pipes"
references = [
"https://github.com/p0dalirius/windows-coerced-authentication-methods",
"https://www.thehacker.recipes/a-d/movement/mitm-and-coerced-authentications",
"https://attack.mitre.org/techniques/T1187/",
]
risk_score = 47
rule_id = "c24e9a43-f67e-431d-991b-09cdb83b3c0c"
setup = """## Setup
This rule uses Elastic Endpoint network events from Linux hosts and system integration events from Domain controllers
for correlation. Both data sources should be collected from the hosts for this detection to work.
The 'Audit Detailed File Share' audit policy must be configured (Success Failure).
Steps to implement the logging policy with Advanced Audit Configuration:
```
Computer Configuration >
Policies >
Windows Settings >
Security Settings >
Advanced Audit Policies Configuration >
Audit Policies >
Object Access >
Audit Detailed File Share (Success,Failure)
```
"""
severity = "medium"
tags = [
"Domain: Endpoint",
"OS: Windows",
"OS: Linux",
"Use Case: Threat Detection",
"Tactic: Credential Access",
"Data Source: Elastic Defend",
"Data Source: Active Directory",
"Use Case: Active Directory Monitoring",
]
timestamp_override = "event.ingested"
type = "eql"

query = '''
sequence with maxspan=15s
[network where host.os.type == "linux" and event.action == "connection_attempted" and destination.port == 445] by host.ip
[file where host.os.type == "windows" and event.code == "5145" and file.name : ("Spoolss", "netdfs", "lsarpc", "lsass", "netlogon", "samr", "efsrpc", "FssagentRpc")] by source.ip
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1187"
name = "Forced Authentication"
reference = "https://attack.mitre.org/techniques/T1187/"


[rule.threat.tactic]
id = "TA0006"
name = "Credential Access"
reference = "https://attack.mitre.org/tactics/TA0006/"

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