Ross Wolf
5fcece8416
Co-Authored-By: Brent Murphy <56412096+bm11100@users.noreply.github.com> Co-Authored-By: Craig Chamberlain <randomuserid@users.noreply.github.com> Co-Authored-By: David French <56409778+threat-punter@users.noreply.github.com> Co-Authored-By: Derek Ditch <dcode@users.noreply.github.com> Co-Authored-By: Justin Ibarra <brokensound77@users.noreply.github.com>
41 lines
1014 B
TOML
41 lines
1014 B
TOML
[metadata]
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creation_date = "2020/04/16"
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ecs_version = ["1.4.0"]
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maturity = "production"
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updated_date = "2020/04/16"
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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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index = ["auditbeat-*"]
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language = "kuery"
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license = "Elastic License"
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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", "Linux"]
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type = "query"
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query = '''
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event.action:executed and process.name:perl and 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-Line Interface"
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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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