Forest Blizzard APT - File Creation Activity

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About the rule

Rule Type

Standard

Rule Description

Detects the creation of specific files inside of ProgramData directory. These files were seen being created by Forest Blizzard as described by MSFT.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "File Created or Modified" AND ((FILENAME startswith "C:\ProgramData\Microsoft\v,C:\ProgramData\Adobe\v,C:\ProgramData\Comms\v,C:\ProgramData\Intel\v,C:\ProgramData\Kaspersky Lab\v,C:\ProgramData\Bitdefender\v,C:\ProgramData\ESET\v,C:\ProgramData\NVIDIA\v,C:\ProgramData\UbiSoft\v,C:\ProgramData\Steam\v" OR OBJECTNAME startswith "C:\ProgramData\Microsoft\v,C:\ProgramData\Adobe\v,C:\ProgramData\Comms\v,C:\ProgramData\Intel\v,C:\ProgramData\Kaspersky Lab\v,C:\ProgramData\Bitdefender\v,C:\ProgramData\ESET\v,C:\ProgramData\NVIDIA\v,C:\ProgramData\UbiSoft\v,C:\ProgramData\Steam\v") AND (FILENAME contains "\prnms003.inf_,\prnms009.inf_" OR OBJECTNAME contains "\prnms003.inf_,\prnms009.inf_")) OR ((FILENAME startswith "C:\ProgramData" OR OBJECTNAME startswith "C:\ProgramData") AND ((FILENAME endswith ".save,\doit.bat,\execute.bat,\servtask.bat" OR OBJECTNAME endswith ".save,\doit.bat,\execute.bat,\servtask.bat") OR ((FILENAME contains "\wayzgoose" OR OBJECTNAME contains "\wayzgoose") AND (FILENAME endswith ".dll" OR OBJECTNAME endswith ".dll")))) select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Nasreddine Bencherchali (Nextron Systems)