Samirbous
f9ba8a8f71
* [Tuning] Top Noisy Windows BBRS - Process Discovery Using Built-in Tools - System Service Discovery through built-in Windows Utilities * Update discovery_generic_process_discovery.toml * Update discovery_generic_process_discovery.toml * Update discovery_generic_process_discovery.toml * Update discovery_generic_process_discovery.toml --------- Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
84 lines
3.3 KiB
TOML
84 lines
3.3 KiB
TOML
[metadata]
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bypass_bbr_timing = true
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creation_date = "2023/01/24"
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integration = ["windows", "endpoint", "system"]
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maturity = "production"
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updated_date = "2025/12/17"
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[rule]
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author = ["Elastic"]
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building_block_type = "default"
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description = """
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Detects the usage of commonly used system service discovery techniques, which attackers may use during the
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reconnaissance phase after compromising a system in order to gain a better understanding of the environment and/or
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escalate privileges.
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"""
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from = "now-9m"
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index = [
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"endgame-*",
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"logs-endpoint.events.process-*",
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"logs-system.security*",
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"logs-windows.*",
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"winlogbeat-*",
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]
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language = "eql"
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license = "Elastic License v2"
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name = "System Service Discovery through built-in Windows Utilities"
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risk_score = 21
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rule_id = "e0881d20-54ac-457f-8733-fe0bc5d44c55"
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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: Discovery",
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"Data Source: Elastic Defend",
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"Data Source: Elastic Endgame",
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"Rule Type: BBR",
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"Data Source: Windows Security Event Logs",
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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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process where host.os.type == "windows" and event.type == "start" and process.parent.executable != null and
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(
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((process.name: "net.exe" or process.pe.original_file_name == "net.exe" or (process.name : "net1.exe" and
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not process.parent.name : "net.exe")) and process.args : ("start", "use") and process.args_count == 2 and
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not process.parent.args : ("*.bat", "*netlogon*", "\\\\*")) or
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((process.name: "sc.exe" or process.pe.original_file_name == "sc.exe") and process.args: ("query", "q*") and not process.parent.args : "*.bat") or
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((process.name: "tasklist.exe" or process.pe.original_file_name == "tasklist.exe") and process.args: "/svc" and not process.command_line : "*\\Windows\\TEMP\\nessus_task_list*") or
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(process.name : "psservice.exe" or process.pe.original_file_name == "psservice.exe")
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) and
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not user.id in ("S-1-5-18", "S-1-5-19", "S-1-5-20") and
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not process.parent.executable in
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("C:\\Program Files\\AzureConnectedMachineAgent\\himds.exe",
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"C:\\Program Files\\AzureConnectedMachineAgent\\azcmagent.exe",
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"C:\\Program Files\\Varian\\DICOMServices\\VMS.DICOMServices.ServiceFW.GenericControlledServiceHost.exe",
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"C:\\Senior\\HCM\\jdk-11.0.2\\bin\\java.exe",
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"D:\\biomerieux\\programs\\ServiceMonitor\\bin\\MylaServiceMonitor.exe",
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"C:\\ViewPowerPro\\openJDK\\bin\\javaw.exe",
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"C:\\ServiceNow MID Server mid-server-autosports-prod\\agent\\jre\\bin\\java.exe") and
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not process.command_line in ("sc queryex SCardSvr",
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"sc query \"Axway_Integrator\" ",
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"sc query \"Delta enteliVAULT PostgreSQL\" ",
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"sc query \"WERMA-WIN-Connector\" ",
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"sc query _EWSSynchronizationServer_JDE ",
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"sc query SchneiderUPSMySQL")
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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 = "T1007"
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name = "System Service Discovery"
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reference = "https://attack.mitre.org/techniques/T1007/"
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[rule.threat.tactic]
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id = "TA0007"
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name = "Discovery"
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reference = "https://attack.mitre.org/tactics/TA0007/"
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