Potential COLDSTEEL RAT File Indicators
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About the rule
Rule Type
Standard
Rule Description
Detects the creation of a file named "dllhost.exe" in the "C:\\users\\public\\Documents\\" directory. Seen being used by the COLDSTEEL RAT in some of its variants.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "File Created or Modified" AND FILENAME = "C:\users\public\Documents\dllhost.exe" OR OBJECTNAME = "C:\users\public\Documents\dllhost.exe" 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)
