Ruben Groenewoud
bbe6575bdb
* [New Rule]
* Fixed grammar mistake
* Update rules/linux/lateral_movement_ssh_it_worm_download.toml
* Update rules/linux/lateral_movement_ssh_it_worm_download.toml
(cherry picked from commit 4190c3a6a7)
69 lines
2.0 KiB
TOML
69 lines
2.0 KiB
TOML
[metadata]
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creation_date = "2023/09/21"
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integration = ["endpoint"]
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maturity = "production"
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min_stack_comments = "New fields added: required_fields, related_integrations, setup"
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min_stack_version = "8.3.0"
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updated_date = "2023/09/21"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies processes that are capable of downloading files with command line arguments containing URLs to SSH-IT's
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autonomous SSH worm. This worm intercepts outgoing SSH connections every time a user uses ssh.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Potential SSH-IT SSH Worm Downloaded"
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references = ["https://www.thc.org/ssh-it/"]
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risk_score = 47
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rule_id = "2ddc468e-b39b-4f5b-9825-f3dcb0e998ea"
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severity = "medium"
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tags = ["Domain: Endpoint",
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"OS: Linux",
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"Use Case: Threat Detection",
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"Tactic: Lateral Movement",
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"Data Source: Elastic Defend",
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"Data Source: Elastic Endgame"]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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process where host.os.type == "linux" and event.action == "exec" and event.type == "start" and
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process.name in ("curl", "wget") and process.args : (
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"https://thc.org/ssh-it/x", "http://nossl.segfault.net/ssh-it-deploy.sh", "https://gsocket.io/x",
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"https://thc.org/ssh-it/bs", "http://nossl.segfault.net/bs"
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)
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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.technique.subtechnique]]
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id = "T1021.004"
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name = "SSH"
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reference = "https://attack.mitre.org/techniques/T1021/004/"
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[[rule.threat.technique]]
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id = "T1563"
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name = "Remote Service Session Hijacking"
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reference = "https://attack.mitre.org/techniques/T1563/"
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[[rule.threat.technique.subtechnique]]
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id = "T1563.001"
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name = "SSH Hijacking"
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reference = "https://attack.mitre.org/techniques/T1563/001/"
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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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