Jonhnathan
100 lines
3.3 KiB
TOML
100 lines
3.3 KiB
TOML
[metadata]
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creation_date = "2020/11/18"
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integration = ["endpoint", "windows", "m365_defender", "sentinel_one_cloud_funnel"]
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maturity = "production"
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updated_date = "2024/10/15"
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min_stack_version = "8.14.0"
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min_stack_comments = "Breaking change at 8.14.0 for the Windows Integration."
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[rule]
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author = ["Elastic"]
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description = """
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Identifies processes modifying the services registry key directly, instead of through the expected Windows APIs. This
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could be an indication of an adversary attempting to stealthily persist through abnormal service creation or
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modification of an existing service.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.registry-*", "endgame-*", "logs-windows.sysmon_operational-*", "winlogbeat-*", "logs-m365_defender.event-*", "logs-sentinel_one_cloud_funnel.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Unusual Persistence via Services Registry"
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risk_score = 21
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rule_id = "403ef0d3-8259-40c9-a5b6-d48354712e49"
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severity = "low"
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tags = [
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"Domain: Endpoint",
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"OS: Windows",
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"Use Case: Threat Detection",
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"Tactic: Persistence",
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"Tactic: Defense Evasion",
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"Data Source: Elastic Endgame",
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"Data Source: Elastic Defend",
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"Data Source: Sysmon",
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"Data Source: Microsoft Defender for Endpoint",
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"Data Source: SentinelOne",
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]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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registry where host.os.type == "windows" and event.type == "change" and
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registry.value : ("ServiceDLL", "ImagePath") and
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registry.path : (
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"HKLM\\SYSTEM\\ControlSet*\\Services\\*\\ServiceDLL",
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"HKLM\\SYSTEM\\ControlSet*\\Services\\*\\ImagePath",
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"\\REGISTRY\\MACHINE\\SYSTEM\\ControlSet*\\Services\\*\\ServiceDLL",
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"\\REGISTRY\\MACHINE\\SYSTEM\\ControlSet*\\Services\\*\\ImagePath",
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"MACHINE\\SYSTEM\\ControlSet*\\Services\\*\\ServiceDLL",
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"MACHINE\\SYSTEM\\ControlSet*\\Services\\*\\ImagePath"
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) and not registry.data.strings : (
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"?:\\windows\\system32\\Drivers\\*.sys",
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"\\SystemRoot\\System32\\drivers\\*.sys",
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"\\??\\?:\\Windows\\system32\\Drivers\\*.SYS",
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"\\??\\?:\\Windows\\syswow64\\*.sys",
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"system32\\DRIVERS\\USBSTOR") and
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not (process.name : "procexp??.exe" and registry.data.strings : "?:\\*\\procexp*.sys") and
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not process.executable : (
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"?:\\Program Files\\*.exe",
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"?:\\Program Files (x86)\\*.exe",
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"?:\\Windows\\System32\\svchost.exe",
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"?:\\Windows\\winsxs\\*\\TiWorker.exe",
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"?:\\Windows\\System32\\drvinst.exe",
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"?:\\Windows\\System32\\services.exe",
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"?:\\Windows\\System32\\msiexec.exe",
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"?:\\Windows\\System32\\regsvr32.exe",
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"?:\\Windows\\System32\\WaaSMedicAgent.exe"
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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 = "T1543"
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name = "Create or Modify System Process"
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reference = "https://attack.mitre.org/techniques/T1543/"
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[[rule.threat.technique.subtechnique]]
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id = "T1543.003"
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name = "Windows Service"
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reference = "https://attack.mitre.org/techniques/T1543/003/"
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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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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1112"
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name = "Modify Registry"
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reference = "https://attack.mitre.org/techniques/T1112/"
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[rule.threat.tactic]
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id = "TA0005"
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name = "Defense Evasion"
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reference = "https://attack.mitre.org/tactics/TA0005/"
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