Samirbous
5a68ccfd0d
* Create discovery_active_directory_webservice.toml * Update discovery_active_directory_webservice.toml * Update discovery_active_directory_webservice.toml * Update discovery_active_directory_webservice.toml * Update discovery_active_directory_webservice.toml
56 lines
2.2 KiB
TOML
56 lines
2.2 KiB
TOML
[metadata]
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creation_date = "2024/01/31"
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integration = ["endpoint"]
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maturity = "production"
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min_stack_comments = "New fields added: required_fields, related_integrations, setup"
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min_stack_version = "8.3.0"
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updated_date = "2024/01/31"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies processes loading Active Directory related modules followed by a network connection to the ADWS dedicated TCP port.
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Adversaries may abuse the ADWS Windows service that allows Active Directory to be queried via this web service.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Potential Enumeration via Active Directory Web Service"
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references = ["https://github.com/FalconForceTeam/SOAPHound"]
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risk_score = 47
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rule_id = "9c951837-7d13-4b0c-be7a-f346623c8795"
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severity = "medium"
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tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Discovery", "Data Source: Elastic Defend"]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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sequence by process.entity_id with maxspan=3m
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[library where host.os.type == "windows" and
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dll.name : ("System.DirectoryServices*.dll", "System.IdentityModel*.dll") and
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not user.id in ("S-1-5-18", "S-1-5-19", "S-1-5-20") and
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not process.executable :
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("?:\\windows\\system32\\dsac.exe",
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"?:\\program files\\powershell\\?\\pwsh.exe",
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"?:\\windows\\system32\\windowspowershell\\*.exe",
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"?:\\windows\\syswow64\\windowspowershell\\*.exe",
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"?:\\program files\\microsoft monitoring agent\\*.exe",
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"?:\\windows\\adws\\microsoft.activedirectory.webservices.exe")]
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[network where host.os.type == "windows" and destination.port == 9389 and source.port >= 49152 and
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network.direction == "egress" and network.transport == "tcp" and not cidrmatch(destination.ip, "127.0.0.0/8", "::1/128")]
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'''
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1018"
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name = "Remote System Discovery"
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reference = "https://attack.mitre.org/techniques/T1018/"
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[rule.threat.tactic]
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id = "TA0007"
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name = "Discovery"
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reference = "https://attack.mitre.org/tactics/TA0007/"
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