File Download Using ProtocolHandler.exe
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About the rule
Rule Type
Standard
Rule Description
Detects usage of "ProtocolHandler" to download files. Downloaded files will be located in the cache folder (for example - %LOCALAPPDATA%\\Microsoft\\Windows\\INetCache\\IE)
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PROCESSNAME endswith "\protocolhandler.exe" OR ORIGINALFILENAME = "ProtocolHandler.exe") AND COMMANDLINE contains "ftp://,http://,https://" 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
