Samirbous
181bbcb8c9
* [New Rule] Remote Execution via DCOM - ShellBrowserWindow or ShellWindows * adjusted rule description and name * Update rules/windows/lateral_movement_dcom_shellwindow_shellbrowserwindow.toml Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com> * filtering localhost * Update lateral_movement_dcom_shellwindow_shellbrowserwindow.toml * eql syntax * ecs_version * Update rules/windows/lateral_movement_dcom_shellwindow_shellbrowserwindow.toml Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> * relinted and del ecs_vers * re-linted * deleted ecs_version Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com> Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com>
50 lines
1.6 KiB
TOML
50 lines
1.6 KiB
TOML
[metadata]
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creation_date = "2020/11/06"
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maturity = "production"
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updated_date = "2020/11/06"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies use of Distributed Component Object Model (DCOM) to run commands from a remote host, which are launched via
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the ShellBrowserWindow or ShellWindows Application COM Object. This behavior may indicate an attacker abusing a DCOM
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application to stealthily move laterally.
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"""
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from = "now-9m"
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index = ["winlogbeat-*", "logs-endpoint.events.*"]
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language = "eql"
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license = "Elastic License"
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name = "Incoming DCOM Lateral Movement with ShellBrowserWindow or ShellWindows"
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references = ["https://enigma0x3.net/2017/01/23/lateral-movement-via-dcom-round-2/"]
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risk_score = 47
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rule_id = "8f919d4b-a5af-47ca-a594-6be59cd924a4"
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severity = "medium"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Lateral Movement"]
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type = "eql"
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query = '''
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sequence by host.id with maxspan=5s
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[network where event.type == "start" and process.name : "explorer.exe" and
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network.direction == "incoming" and network.transport == "tcp" and
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source.port > 49151 and destination.port > 49151 and not source.address in ("127.0.0.1", "::1")
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] by process.entity_id
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[process where event.type in ("start", "process_started") and
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process.parent.name : "explorer.exe"
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] by process.parent.entity_id
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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 = "T1021"
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name = "Remote Services"
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reference = "https://attack.mitre.org/techniques/T1021/"
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[rule.threat.tactic]
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id = "TA0008"
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name = "Lateral Movement"
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reference = "https://attack.mitre.org/tactics/TA0008/"
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