Arbitrary Binary Execution Using GUP Utility
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About the rule
Rule Type
Standard
Rule Description
Detects execution of the Notepad++ updater (gup) to launch other commands or executables
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (PARENTPROCESSNAME endswith "\gup.exe" AND PROCESSNAME endswith "\explorer.exe") AND ((PROCESSNAME notendswith "\explorer.exe" OR COMMANDLINE notcontains "\Notepad++\notepad++.exe") AND PARENTPROCESSNAME notcontains "\Notepad++\updater" AND isExist(COMMANDLINE)) select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems)
