Justin Ibarra
c1a0438f45
* replaced/removed all revoked/deprecated techniques * tests will fail on revoked (changed) techniques * tests will fail on deprecated techniques * tests will fail when techniques are mapped to an invalid tactic
46 lines
1.2 KiB
TOML
46 lines
1.2 KiB
TOML
[metadata]
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creation_date = "2020/08/14"
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maturity = "production"
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updated_date = "2020/12/09"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies suspicious psexec activity which is executing from the psexec service that has been renamed, possibly to
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evade detection.
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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 = "Suspicious Process Execution via Renamed PsExec Executable"
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risk_score = 47
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rule_id = "e2f9fdf5-8076-45ad-9427-41e0e03dc9c2"
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severity = "medium"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Execution"]
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type = "eql"
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query = '''
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process where event.type in ("start", "process_started", "info") and
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process.pe.original_file_name : "psexesvc.exe" and not process.name : "PSEXESVC.exe"
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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 = "T1569"
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name = "System Services"
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reference = "https://attack.mitre.org/techniques/T1569/"
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[[rule.threat.technique.subtechnique]]
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id = "T1569.002"
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name = "Service Execution"
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reference = "https://attack.mitre.org/techniques/T1569/002/"
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[rule.threat.tactic]
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id = "TA0002"
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name = "Execution"
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reference = "https://attack.mitre.org/tactics/TA0002/"
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