Access to Browser Login Data
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About the rule
Rule Type
Standard
Rule Description
Adversaries may acquire credentials from web browsers by reading files specific to the target browser. Web browsers commonly save credentials such as website usernames and passwords so that they do not need to be entered manually in the future. Web browsers typically store the credentials in an encrypted format within a credential store.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "PowerShell Script Block Logged" AND (SCRIPTEXECUTED contains "Copy-Item" AND SCRIPTEXECUTED contains "-Destination") AND SCRIPTEXECUTED contains "\Opera Software\Opera Stable\Login Data,\Mozilla\Firefox\Profiles,\Microsoft\Edge\User Data\Default,\Google\Chrome\User Data\Default\Login Data,\Google\Chrome\User Data\Default\Login Data For Account" select Action1.HOSTNAME,Action1.MESSAGE,Action1.SCRIPTEXECUTED
Detection
Execution Mode
realtime
Log Sources
Windows
Author
frack113
