Potential CVE-2023-36874 Exploitation - Uncommon Report.Wer Location
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About the rule
Rule Type
Standard
Rule Description
Detects the creation of a "Report.wer" file in an uncommon folder structure. This could be a sign of potential exploitation of CVE-2023-36874.
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "File Created or Modified" AND ((FILENAME contains ":\ProgramData\Microsoft\Windows\WER\ReportArchive" OR OBJECTNAME contains ":\ProgramData\Microsoft\Windows\WER\ReportArchive") AND (FILENAME endswith "\Report.wer" OR OBJECTNAME endswith "\Report.wer")) AND (FILENAME notcontains "\ReportArchive\AppCrash_,\ReportArchive\AppHang_,\ReportArchive\Critical_,\ReportArchive\Kernel_,\ReportArchive\NonCritical_" AND OBJECTNAME notcontains "\ReportArchive\AppCrash_,\ReportArchive\AppHang_,\ReportArchive\Critical_,\ReportArchive\Kernel_,\ReportArchive\NonCritical_") 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)
