CHALLENGE: What's the shortest Windows command-line you know that causes an unhandled exception in a Windows process? The command should start and crash a new process or crash an existing process. The exception can by anything that's obviously unintended (AV, OOM, breakpoint).
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Batch script to enumerate dlls on a folder, `dumpbin` to enumerate exports in each dll, `BugId` to start "rundll32 <dll> <export>" => a plethora of different types of crashes.
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rundll32 advapi32 ReportEventW => NULL pointer rundll32 apphelp SdbQueryName AAAAAAA... => buffer overflow rundll32 advapi32 CopySid AAAAAA... => out-of-bounds read rundll32 AppVIntegration Initialize => read after free rundll32 advapi32 RegCloseKey => invalid handle ...
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... rundll32 advapi32 LsaManageSidNameMapping AAAAAAAA => read from 0x4141414141414141 (x64) rundll32 AppxApplicabilityEngine ?EmptyDecisionIndex@IDecisionInfo@Resources@Microsoft@@2HB => invalid handle ... and I've only scanned dlls whose name starts with "a" so far :)
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