new: Bthprops.Cpl sideloading by fsquirt.exe#5856
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swachchhanda000 wants to merge 3 commits intoSigmaHQ:masterfrom
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new: Bthprops.Cpl sideloading by fsquirt.exe#5856swachchhanda000 wants to merge 3 commits intoSigmaHQ:masterfrom
swachchhanda000 wants to merge 3 commits intoSigmaHQ:masterfrom
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frack113
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Feb 10, 2026
nasbench
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Feb 16, 2026
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| ImageLoaded|endswith: '\bthprops.cpl' | ||
| filter_main_legitimate_paths: | ||
| ImageLoaded|startswith: | ||
| - 'C:\Windows\Prefetch\' | ||
| - 'C:\Windows\System32\' | ||
| - 'C:\Windows\SysWOW64\' | ||
| - 'C:\Windows\WinSxS\' | ||
| filter_main_legit_signed: | ||
| OriginalFileName: bluetooth.cpl | ||
| Signature: Microsoft Windows |
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We have a generic rule for CPL sideloading. Use it
2b140a5c-dc02-4bb8-b6b1-8bdb45714cde
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Summary of the Pull Request
Changelog
new: Potential Bthprops.Cpl Sideloading
update: Files With System Process Name In Unsuspected Locations - add fsquirt.exe
update: System File Execution Location Anomaly - add fsquirt.exe
Example Log Event
Fixed Issues
SigmaHQ Rule Creation Conventions