Justin Ibarra
52 lines
1.4 KiB
TOML
52 lines
1.4 KiB
TOML
[metadata]
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creation_date = "2020/02/18"
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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 = "Identifies suspicious commands executed via a web server, which may suggest a vulnerability and remote shell access."
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false_positives = [
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"""
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Network monitoring or management products may have a web server component that runs shell commands as part of normal
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behavior.
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""",
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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 = "Potential Shell via Web Server"
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references = ["https://pentestlab.blog/tag/web-shell/"]
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risk_score = 47
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rule_id = "231876e7-4d1f-4d63-a47c-47dd1acdc1cb"
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severity = "medium"
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tags = ["Elastic", "Host", "Linux", "Threat Detection", "Persistence"]
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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:(bash or dash) and
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user.name:(apache or nginx or www or "www-data")
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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 = "T1505"
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name = "Server Software Component"
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reference = "https://attack.mitre.org/techniques/T1505/"
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[[rule.threat.technique.subtechnique]]
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id = "T1505.003"
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name = "Web Shell"
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reference = "https://attack.mitre.org/techniques/T1505/003/"
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[rule.threat.tactic]
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id = "TA0003"
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name = "Persistence"
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reference = "https://attack.mitre.org/tactics/TA0003/"
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