Suspicious Where Execution

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About the rule

Rule Type

Standard

Rule Description

Adversaries may enumerate browser bookmarks to learn more about compromised hosts. Browser bookmarks may reveal personal information about users (ex: banking sites, interests, social media, etc.) as well as details about internal network resources such as servers, tools/dashboards, or other related infrastructure.

Severity

Attention

Rule Requirement

Criteria

Action1: actionname = "Process started" AND (PROCESSNAME endswith "\where.exe" OR ORIGINALFILENAME = "where.exe") AND COMMANDLINE contains "places.sqlite,cookies.sqlite,formhistory.sqlite,logins.json,key4.db,key3.db,sessionstore.jsonlz4,History,Bookmarks,Cookies,Login Data" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

frack113, Nasreddine Bencherchali (Nextron Systems)