Non Chrome Process Accessing Chrome Default Dir

Non Chrome Process Accessing Chrome Default Dir

Description

This search is to detect an anomaly event of non-chrome process accessing the files in chrome user default folder. This folder contains all the sqlite database of the chrome browser related to users login, history, cookies and etc. Most of the RAT, trojan spy as well as FIN7 jssloader try to parse the those sqlite database to collect information on the compromised host. This SACL Event (4663) need to be enabled to tthe firefox profile directory to be eable to use this. Since you monitoring this access to the folder a noise coming from firefox need to be filter and also sqlite db browser and explorer .exe to make this detection more stable.

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Non Chrome Process Accessing Chrome Default Dir Help

To successfully implement this search, you must ingest Windows Security Event logs and track event code 4663. For 4663, enable "Audit Object Access" in Group Policy. Then check the two boxes listed for both "Success" and "Failure."

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