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Manual Loading of a Suspicious Chromium Extension

Detects the manual loading of a Chromium-based browser extension via command line arguments. This activity is suspicious and could indicate a threat actor loading a malicious extension to persist or collect browsing…

Description

Detects the manual loading of a Chromium-based browser extension via command line arguments. This activity is suspicious and could indicate a threat actor loading a malicious extension to persist or collect browsing secrets such as cookies and authentication tokens.

Detection logic

Its licence does not clear it for publishing here

Sunturai publishes a detection's own text where the licence it arrived under has been reviewed and permits it, and Elastic License 2.0 has not. The query as its source wrote it, its canonical form and the hash that pins this revision are in the workspace record.

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Detection requirements

Platform
LinuxmacOSOffice SuiteSaaSWindows

The rule states no platform. This is derived from the 3 ATT&CK techniques it maps to.

Log source category
event_index

Detections can measure how the public catalogue is used — which detections people look for, and which pages bring them here. It sets a cookie that recognises this browser for 180 days. It is never linked to an account and never follows you to other sites. Privacy notice