IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Suspicious Troubleshooting Pack Cabinet Executionedit
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:
- logs-endpoint.events.*
Severity: low
Risk score: 21
Runs every: 60m
Searches indices from: now-119m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Domain: Endpoint
- OS: Windows
- Use Case: Threat Detection
- Tactic: Defense Evasion
- Rule Type: BBR
- Data Source: Elastic Defend
Version: 1
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule queryedit
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&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: System Binary Proxy Execution
- ID: T1218
- Reference URL: https://attack.mitre.org/techniques/T1218/