Justin Ibarra
43 lines
1.1 KiB
TOML
43 lines
1.1 KiB
TOML
[metadata]
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creation_date = "2020/04/16"
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maturity = "production"
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updated_date = "2021/03/03"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies when a terminal (tty) is spawned via Perl. Attackers may upgrade a simple reverse shell to a fully
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interactive tty after obtaining initial access to a host.
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"""
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from = "now-9m"
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index = ["auditbeat-*", "logs-endpoint.events.*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "Interactive Terminal Spawned via Perl"
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risk_score = 73
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rule_id = "05e5a668-7b51-4a67-93ab-e9af405c9ef3"
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severity = "high"
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tags = ["Elastic", "Host", "Linux", "Threat Detection", "Execution"]
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timestamp_override = "event.ingested"
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type = "query"
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query = '''
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event.category:process and event.type:(start or process_started) and process.name:perl and
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process.args:("exec \"/bin/sh\";" or "exec \"/bin/dash\";" or "exec \"/bin/bash\";")
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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 = "T1059"
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name = "Command and Scripting Interpreter"
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reference = "https://attack.mitre.org/techniques/T1059/"
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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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