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[New Rule] Active Directory Forced Authentication from Linux Host - S…
…MB Named Pipes (#3917) * [New Rule] Active Directory Forced Authentication from Linux Host via SMB Pipes * Update credential_access_forced_authentication_pipes.toml * Update rules/cross-platform/credential_access_forced_authentication_pipes.toml Co-authored-by: Terrance DeJesus <[email protected]> --------- Co-authored-by: Terrance DeJesus <[email protected]> (cherry picked from commit 896946a)
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rules/cross-platform/credential_access_forced_authentication_pipes.toml
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[metadata] | ||
creation_date = "2024/07/23" | ||
integration = ["endpoint", "system"] | ||
maturity = "production" | ||
updated_date = "2024/07/23" | ||
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[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" | ||
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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 | ||
''' | ||
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[[rule.threat]] | ||
framework = "MITRE ATT&CK" | ||
[[rule.threat.technique]] | ||
id = "T1187" | ||
name = "Forced Authentication" | ||
reference = "https://attack.mitre.org/techniques/T1187/" | ||
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[rule.threat.tactic] | ||
id = "TA0006" | ||
name = "Credential Access" | ||
reference = "https://attack.mitre.org/tactics/TA0006/" | ||
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