Suspicious Execution of MITRE BZAR Indicators for (via dce_rpc)

This rule detects windows DCE-RPC functions which indicate an execution methods on the remote system. All credit for the Zeek mapping of the anomalous endpoint/operation field goes to MITRE

SigmamediumNetworkv1
sigma
title: Suspicious Execution of MITRE BZAR Indicators for (via dce_rpc)
id: bdaff761-f70d-583e-bf30-589cec845a12
status: stable
description: 'This rule detects windows DCE-RPC functions which indicate an execution methods on the remote system. All credit for the Zeek mapping of the anomalous endpoint/operation field goes to MITRE'
references:
    - https://attack.mitre.org/techniques/T1569/002/
    - https://attack.mitre.org/techniques/T1053/002/
    - https://attack.mitre.org/techniques/T1047/
    - https://github.com/mitre-attack/bzar#indicators-for-attck-execution
author: 'Huntrule Team'
date: 2026-07-17
tags:
    - attack.privilege-escalation
    - attack.persistence
    - attack.execution
    - attack.t1047
    - attack.t1053.002
    - attack.t1569.002
logsource:
    product: zeek
    service: dce_rpc
detection:
    op1:
        endpoint: 'JobAdd'
        operation: 'atsvc'
    op2:
        endpoint: 'ITaskSchedulerService'
        operation: 'SchRpcEnableTask'
    op3:
        endpoint: 'ITaskSchedulerService'
        operation: 'SchRpcRegisterTask'
    op4:
        endpoint: 'ITaskSchedulerService'
        operation: 'SchRpcRun'
    op5:
        endpoint: 'IWbemServices'
        operation: 'ExecMethod'
    op6:
        endpoint: 'IWbemServices'
        operation: 'ExecMethodAsync'
    op7:
        endpoint: 'svcctl'
        operation: 'CreateServiceA'
    op8:
        endpoint: 'svcctl'
        operation: 'CreateServiceW'
    op9:
        endpoint: 'svcctl'
        operation: 'StartServiceA'
    op10:
        endpoint: 'svcctl'
        operation: 'StartServiceW'
    condition: 1 of op*
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.