Potential Arbitrary Command Execution Using Msdt.EXE
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About the rule
Rule Type
Standard
Rule Description
Detects processes leveraging the "ms-msdt" handler or the "msdt.exe" binary to execute arbitrary commands as seen in the follina (CVE-2022-30190) vulnerability
Severity
Trouble
Rule Requirement
Criteria
Action1:
actionname = "Process started" AND (PROCESSNAME endswith "\msdt.exe" OR ORIGINALFILENAME = "msdt.exe") AND (COMMANDLINE contains "IT_BrowseForFile=" OR (COMMANDLINE contains " PCWDiagnostic" AND COMMANDLINE contains " -af , /af , –af , —af , ―af "))
select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME,Action1.DOMAIN,Action1.ORIGINALFILENAME,Action1.PARENTPROCESSID,Action1.PROCESSID,Action1.PRODUCT_NAME,Action1.SECURITYID
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems)
