Create Syssetup.md

OSLibraries/Syssetup.md

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+## Syssetup.dll
+
+* Functions: Execute
+
+```
+rundll32 syssetup,SetupInfObjectInstallAction DefaultInstall 128 c:\temp\calc.INF
+```
+
+Acknowledgements:
+* Pierre-Alexandre Braeken - @pabraeken
+
+Code sample:
+* 
+
+Resources:
+* https://twitter.com/pabraeken/status/994392481927258113
+
+Full path:
+```
+c:\windows\system32\Syssetup.dll
+c:\windows\sysWOW64\Syssetup.dll
+```
+
+Notes:
+
+
+
+Detection:
+
+