splApache-2.0from splunk/security_content

Windows Chromium process Launched with Disable Popup Blocking

The following analytic detects instances where a Windows Chromium-based browser process is launched with the `--disable-popup-blocking` flag. This flag is typically used to bypass the browser’s built-in pop-up protections, allowing automatic execution of pop-ups or redirects without user interaction. While legitimate in some testing or automation scenarios, its presence on endpoints, particularly when combined with other automation or concealment flags, may indicate attempts by malicious actors to execute web-based content stealthily or evade user interaction controls, representing a potential security risk that warrants investigation.

Quality

FP risk

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Rule sourcedetections/endpoint/windows_chromium_process_launched_with_disable_popup_blocking.yml

| tstats `security_content_summariesonly` min(_time) as firstTime max(_time)
as lastTime from datamodel=Endpoint.Processes
where Processes.process_name IN ("Chrome.exe","Brave.exe", "Opera.exe", "Vivaldi.exe", "msedge.exe")
Processes.process = "*--disable-popup-blocking*"
by Processes.action Processes.dest Processes.original_file_name Processes.parent_process
   Processes.parent_process_exec Processes.parent_process_guid Processes.parent_process_id
   Processes.parent_process_name Processes.parent_process_path Processes.process Processes.process_exec
   Processes.process_guid Processes.process_hash Processes.process_id Processes.process_integrity_level
   Processes.process_name Processes.process_path Processes.user Processes.user_id Processes.vendor_product
| `drop_dm_object_name(Processes)`
| `security_content_ctime(firstTime)`
| `security_content_ctime(lastTime)`| `windows_chromium_process_launched_with_disable_popup_blocking_filter`