Justin Ibarra
c1a0438f45
* replaced/removed all revoked/deprecated techniques * tests will fail on revoked (changed) techniques * tests will fail on deprecated techniques * tests will fail when techniques are mapped to an invalid tactic
49 lines
1.5 KiB
TOML
49 lines
1.5 KiB
TOML
[metadata]
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creation_date = "2020/09/02"
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maturity = "production"
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updated_date = "2020/12/09"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies the installation of custom Application Compatibility Shim databases. This Windows functionality has been
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abused by attackers to stealthily gain persistence and arbitrary code execution in legitimate Windows processes.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*", "winlogbeat-*"]
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language = "eql"
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license = "Elastic License"
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name = "Installation of Custom Shim Databases"
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risk_score = 21
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rule_id = "c5ce48a6-7f57-4ee8-9313-3d0024caee10"
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severity = "medium"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Persistence"]
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type = "eql"
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query = '''
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sequence by process.entity_id with maxspan=5m
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[process where event.type in ("start", "process_started") and
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not (process.name : "sdbinst.exe" and process.parent.name : "msiexec.exe")]
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[registry where event.type in ("creation", "change") and
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wildcard(registry.path, "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\Custom\\*.sdb")]
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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 = "T1546"
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name = "Event Triggered Execution"
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reference = "https://attack.mitre.org/techniques/T1546/"
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[[rule.threat.technique.subtechnique]]
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id = "T1546.011"
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name = "Application Shimming"
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reference = "https://attack.mitre.org/techniques/T1546/011/"
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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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