Forest Blizzard APT - Process Creation Activity
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About the rule
Rule Type
Standard
Rule Description
Detects the execution of specific processes and command line combination. These were seen being created by Forest Blizzard as described by MSFT.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND HASHES contains "SHA256=6b311c0a977d21e772ac4e99762234da852bbf84293386fbe78622a96c0b052f,SHA256=c60ead92cd376b689d1b4450f2578b36ea0bf64f3963cfa5546279fa4424c2a5" OR (PROCESSNAME endswith "\schtasks.exe" AND (COMMANDLINE contains "Create" AND COMMANDLINE contains "/RU" AND COMMANDLINE contains "SYSTEM" AND COMMANDLINE contains "\Microsoft\Windows\WinSrv") AND COMMANDLINE contains "servtask.bat,execute.bat,doit.bat") OR (PROCESSNAME endswith "\schtasks.exe" AND (COMMANDLINE contains "Delete" AND COMMANDLINE contains "/F " AND COMMANDLINE contains "\Microsoft\Windows\WinSrv")) OR (COMMANDLINE contains "Get-ChildItem" AND COMMANDLINE contains ".save" AND COMMANDLINE contains "Compress-Archive -DestinationPath C:\ProgramData") 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)
