Potential Suspicious Browser Launch From Document Reader Process
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About the rule
Rule Type
Standard
Rule Description
Detects when a browser process or browser tab is launched from an application that handles document files such as Adobe, Microsoft Office, etc. And connects to a web application over http(s), this could indicate a possible phishing attempt.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND PARENTPROCESSNAME contains "Acrobat Reader,Microsoft Office,PDF Reader" AND PROCESSNAME endswith "\brave.exe,\chrome.exe,\firefox.exe,\msedge.exe,\opera.exe,\maxthon.exe,\seamonkey.exe,\vivaldi.exe," AND COMMANDLINE contains "http" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Joseph Kamau
