shashank-elastic
e8c54169a4
* Prep for Release 9.1 * Update Patch Version * Update Patch version * Update Patch version
70 lines
2.1 KiB
TOML
70 lines
2.1 KiB
TOML
[metadata]
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creation_date = "2023/07/14"
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integration = ["windows", "system"]
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maturity = "production"
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updated_date = "2025/03/20"
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[rule]
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author = ["Elastic"]
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building_block_type = "default"
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description = """
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Adversaries may look for folders and drives shared on remote systems to identify sources of information to gather as a
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precursor for collection and identify potential systems of interest for Lateral Movement.
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"""
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from = "now-119m"
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index = ["logs-system.security*", "logs-windows.*", "winlogbeat-*"]
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interval = "60m"
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language = "eql"
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license = "Elastic License v2"
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name = "Potential Network Share Discovery"
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risk_score = 21
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rule_id = "b2318c71-5959-469a-a3ce-3a0768e63b9c"
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severity = "low"
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tags = [
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"Domain: Endpoint",
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"OS: Windows",
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"Use Case: Threat Detection",
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"Tactic: Discovery",
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"Tactic: Collection",
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"Rule Type: BBR",
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"Data Source: Windows Security Event Logs",
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]
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type = "eql"
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query = '''
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sequence by user.name, source.port, source.ip with maxspan=15s
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[file where event.action == "network-share-object-access-checked" and
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winlog.event_data.ShareName in ("\\\\*\\ADMIN$", "\\\\*\\C$") and
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source.ip != null and source.ip != "0.0.0.0" and source.ip != "::1" and source.ip != "::" and source.ip != "127.0.0.1"]
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[file where event.action == "network-share-object-access-checked" and
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winlog.event_data.ShareName in ("\\\\*\\ADMIN$", "\\\\*\\C$") and
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source.ip != null and source.ip != "0.0.0.0" and source.ip != "::1" and source.ip != "::" and source.ip != "127.0.0.1"]
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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 = "T1135"
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name = "Network Share Discovery"
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reference = "https://attack.mitre.org/techniques/T1135/"
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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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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1039"
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name = "Data from Network Shared Drive"
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reference = "https://attack.mitre.org/techniques/T1039/"
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[rule.threat.tactic]
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id = "TA0009"
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name = "Collection"
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reference = "https://attack.mitre.org/tactics/TA0009/"
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