Binary Proxy Execution Via Dotnet-Trace.EXE — Sigma Rule

Rule metadata and linked tags

Author: Jimmy Bayne (@bohops). Source status: test; severity: medium. Source dates: 2024-01-02 / not supplied.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: c91d967d5a6af39bfb82838df293b7f154eaa3ce79deecd9962021fd279368e4

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Binary Proxy Execution Via Dotnet-Trace.EXE
id: 9257c05b-4a4a-48e5-a670-b7b073cf401b
status: test
description: Detects commandline arguments for executing a child process via dotnet-trace.exe
references:
    - https://twitter.com/bohops/status/1740022869198037480
author: Jimmy Bayne (@bohops)
date: 2024-01-02
tags:
    - attack.execution
    - attack.stealth
    - attack.t1218
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\dotnet-trace.exe'
        - OriginalFileName: 'dotnet-trace.dll'
    selection_cli:
        CommandLine|contains|all:
            - '-- '
            - 'collect'
    condition: all of selection_*
falsepositives:
    - Legitimate usage of the utility in order to debug and trace a program.
level: medium

Original YAML and metadata in JSON

False positives

• Legitimate usage of the utility in order to debug and trace a program.

Source references

• https://twitter.com/bohops/status/1740022869198037480