---
title: Suspicious Troubleshooting Pack Cabinet Execution
description: Identifies the execution of the Microsoft Diagnostic Wizard to open a diagcab file from a suspicious path and with an unusual parent process. This may...
url: https://www.elastic.co/docs/reference/security/prebuilt-rules/rules_building_block/defense_evasion_msdt_suspicious_diagcab
---

# Suspicious Troubleshooting Pack Cabinet Execution

Identifies the execution of the Microsoft Diagnostic Wizard to open a diagcab file from a suspicious path and with an
unusual parent process. This may indicate an attempt to execute malicious Troubleshooting Pack Cabinet files.
**Rule type**: eql
**Rule indices**:
- endgame-*
- logs-endpoint.events.process-*
- logs-system.security*
- logs-windows.*
- winlogbeat-*

**Rule Severity**: low
**Risk Score**: 21
**Runs every**: 60m
**Searches indices from**: `now-119m`
**Maximum alerts per execution**: ?
**References**:
- [https://irsl.medium.com/the-trouble-with-microsofts-troubleshooters-6e32fc80b8bd](https://irsl.medium.com/the-trouble-with-microsofts-troubleshooters-6e32fc80b8bd)

**Tags**:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Defense Evasion
- Rule Type: BBR
- Data Source: Elastic Defend
- Data Source: Elastic Endgame
- Data Source: Windows Security Event Logs

**Version**: ?
**Rule authors**:
- Elastic

**Rule license**: Elastic License v2

## Rule Query

```eql
process where host.os.type == "windows" and event.action == "start" and
  (process.name : "msdt.exe" or ?process.pe.original_file_name == "msdt.exe") and process.args : "/cab" and
  process.parent.name : (
    "firefox.exe", "chrome.exe", "msedge.exe", "explorer.exe", "brave.exe", "whale.exe", "browser.exe",
    "dragon.exe", "vivaldi.exe", "opera.exe", "iexplore", "firefox.exe", "waterfox.exe", "iexplore.exe",
    "winrar.exe", "winrar.exe", "7zFM.exe", "outlook.exe", "winword.exe", "excel.exe"
  ) and
  process.args : (
    "?:\\Users\\*",
    "\\\\*",
    "http*",
    "ftp://*"
  )
```

**Framework:** MITRE ATT&CK
- Tactic:  
  - Name: Defense Evasion
  - Id: TA0005
  - Reference URL: [https://attack.mitre.org/tactics/TA0005/](https://attack.mitre.org/tactics/TA0005/)
- Technique:  
  - Name: System Binary Proxy Execution
  - Id: T1218
  - Reference URL: [https://attack.mitre.org/techniques/T1218/](https://attack.mitre.org/techniques/T1218/)
