Justin Ibarra
98 lines
2.6 KiB
TOML
98 lines
2.6 KiB
TOML
[metadata]
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creation_date = "2020/12/22"
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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 the use of a compression utility to collect known files containing sensitive information, such as credentials
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and system configurations.
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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 = "Sensitive Files Compression"
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references = [
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"https://www.trendmicro.com/en_ca/research/20/l/teamtnt-now-deploying-ddos-capable-irc-bot-tntbotinger.html",
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]
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risk_score = 47
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rule_id = "6b84d470-9036-4cc0-a27c-6d90bbfe81ab"
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severity = "medium"
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tags = ["Elastic", "Host", "Linux", "Threat Detection", "Collection", "Credential Access"]
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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 and
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process.name:(zip or tar or gzip or hdiutil or 7z) and
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process.args:
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(
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/root/.ssh/id_rsa or
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/root/.ssh/id_rsa.pub or
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/root/.ssh/id_ed25519 or
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/root/.ssh/id_ed25519.pub or
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/root/.ssh/authorized_keys or
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/root/.ssh/authorized_keys2 or
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/root/.ssh/known_hosts or
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/root/.bash_history or
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/etc/hosts or
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/home/*/.ssh/id_rsa or
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/home/*/.ssh/id_rsa.pub or
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/home/*/.ssh/id_ed25519 or
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/home/*/.ssh/id_ed25519.pub or
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/home/*/.ssh/authorized_keys or
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/home/*/.ssh/authorized_keys2 or
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/home/*/.ssh/known_hosts or
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/home/*/.bash_history or
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/root/.aws/credentials or
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/root/.aws/config or
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/home/*/.aws/credentials or
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/home/*/.aws/config or
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/root/.docker/config.json or
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/home/*/.docker/config.json or
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/etc/group or
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/etc/passwd or
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/etc/shadow or
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/etc/gshadow
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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 = "T1552"
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name = "Unsecured Credentials"
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reference = "https://attack.mitre.org/techniques/T1552/"
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[[rule.threat.technique.subtechnique]]
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id = "T1552.001"
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name = "Credentials In Files"
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reference = "https://attack.mitre.org/techniques/T1552/001/"
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[rule.threat.tactic]
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id = "TA0006"
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name = "Credential Access"
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reference = "https://attack.mitre.org/tactics/TA0006/"
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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 = "T1560"
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name = "Archive Collected Data"
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reference = "https://attack.mitre.org/techniques/T1560/"
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[[rule.threat.technique.subtechnique]]
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id = "T1560.001"
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name = "Archive via Utility"
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reference = "https://attack.mitre.org/techniques/T1560/001/"
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[rule.threat.tactic]
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id = "TA0009"
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name = "Collection"
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reference = "https://attack.mitre.org/tactics/TA0009/"
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