Potential Suspicious Execution From GUID Like Folder Names
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About the rule
Rule Type
Standard
Rule Description
Detects potential suspicious execution of a GUID like folder name located in a suspicious location such as %TEMP% as seen being used in IcedID attacks. Use this rule to hunt for potentially suspicious activity stemming from uncommon folders.
Severity
Attention
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (COMMANDLINE contains "\AppData\Roaming\,\AppData\Local\Temp" AND (COMMANDLINE contains "\{" AND COMMANDLINE contains "}")) AND ((PROCESSNAME notcontains "\{" OR PROCESSNAME notcontains "}") AND isExist(PROCESSNAME) AND PROCESSNAME != "C:\Windows\System32\drvinst.exe" AND PROCESSNAME != "C:\Windows\System32\msiexec.exe,C:\Windows\SysWOW64\msiexec.exe") 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)
