Jonhnathan
d52c0d2257
* [Rule Tuning] Remove "process_started" from Windows Rules * Additional, pending ones * Update defense_evasion_code_injection_conhost.toml Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
78 lines
3.1 KiB
TOML
78 lines
3.1 KiB
TOML
[metadata]
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creation_date = "2020/11/16"
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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 = "2022/09/15"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies remote execution of Windows services over remote procedure call (RPC). This could be indicative of lateral
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movement, but will be noisy if commonly done by administrators."
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*", "winlogbeat-*", "logs-windows.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Remotely Started Services via RPC"
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risk_score = 47
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rule_id = "aa9a274d-6b53-424d-ac5e-cb8ca4251650"
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severity = "medium"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Lateral Movement"]
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type = "eql"
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query = '''
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sequence with maxspan=1s
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[network where process.name : "services.exe" and
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network.direction : ("incoming", "ingress") and network.transport == "tcp" and
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source.port >= 49152 and destination.port >= 49152 and source.ip != "127.0.0.1" and source.ip != "::1"
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] by host.id, process.entity_id
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[process where event.type == "start" and process.parent.name : "services.exe" and
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not (process.name : "svchost.exe" and process.args : "tiledatamodelsvc") and
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not (process.name : "msiexec.exe" and process.args : "/V") and
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not process.executable :
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("?:\\Windows\\ADCR_Agent\\adcrsvc.exe",
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"?:\\Windows\\System32\\VSSVC.exe",
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"?:\\Windows\\servicing\\TrustedInstaller.exe",
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"?:\\Windows\\System32\\svchost.exe",
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"?:\\Program Files (x86)\\*.exe",
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"?:\\Program Files\\*.exe",
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"?:\\Windows\\PSEXESVC.EXE",
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"?:\\Windows\\System32\\sppsvc.exe",
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"?:\\Windows\\System32\\wbem\\WmiApSrv.exe",
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"?:\\WINDOWS\\RemoteAuditService.exe",
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"?:\\Windows\\VeeamVssSupport\\VeeamGuestHelper.exe",
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"?:\\Windows\\VeeamLogShipper\\VeeamLogShipper.exe",
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"?:\\Windows\\CAInvokerService.exe",
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"?:\\Windows\\System32\\upfc.exe",
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"?:\\Windows\\AdminArsenal\\PDQ*.exe",
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"?:\\Windows\\System32\\vds.exe",
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"?:\\Windows\\Veeam\\Backup\\VeeamDeploymentSvc.exe",
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"?:\\Windows\\ProPatches\\Scheduler\\STSchedEx.exe",
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"?:\\Windows\\System32\\certsrv.exe",
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"?:\\Windows\\eset-remote-install-service.exe",
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"?:\\Pella Corporation\\Pella Order Management\\GPAutoSvc.exe",
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"?:\\Pella Corporation\\OSCToGPAutoService\\OSCToGPAutoSvc.exe",
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"?:\\Pella Corporation\\Pella Order Management\\GPAutoSvc.exe",
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"?:\\Windows\\SysWOW64\\NwxExeSvc\\NwxExeSvc.exe",
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"?:\\Windows\\System32\\taskhostex.exe")
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] by host.id, process.parent.entity_id
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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.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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