Hackers Exploit OneDrive.exe Through DLL Sideloading to Execute Arbitrary Code

Caute_cautim — Wed, 12 Nov 2025 05:03:54 GMT

Hi All

A sophisticated attack technique that exploits Microsoft’s OneDrive application through DLL sideloading, allowing threat actors to execute malicious code while evading detection mechanisms.

The attack leverages a weaponized version.dll file to hijack legitimate Windows processes and maintain persistence on compromised systems.

DLL sideloading exploits Windows’ library-loading mechanism by tricking legitimate applications into loading malicious Dynamic Link Libraries instead of authentic ones.

Security professionals must implement application whitelisting, monitor DLL loading behaviors, and validate digital signatures of loaded libraries to defend against these sophisticated sideloading attacks targeting trusted applications.

Regards

Caute_Cautim

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Hackers Exploit OneDrive.exe Through DLL Sideloading to Execute Arbitrary Code