.. /Url.dll
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Execute (HTA, URL, EXE)

Internet Shortcut Shell Extension DLL.

Paths:

Resources:

Acknowledgements:

Detections:

Execute

  1. Launch a HTML application payload by calling OpenURL.

    rundll32.exe url.dll,OpenURL {PATH_ABSOLUTE:.hta}
    Use case

    Invoke an HTML Application via mshta.exe (Default Handler).

    Privileges required
    User
    Operating systems
    Windows 10, Windows 11
    ATT&CK® technique
    T1218.011
    Tags
    Execute: HTA

  2. Launch an executable payload via proxy through a .url (information) file by calling OpenURL.

    rundll32.exe url.dll,OpenURL {PATH_ABSOLUTE:.url}
    Use case

    Load an executable payload by calling a .url file.

    Privileges required
    User
    Operating systems
    Windows 10, Windows 11
    ATT&CK® technique
    T1218.011
    Tags
    Execute: URL

  3. Launch an executable 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
    Use case

    Load an executable payload by specifying the file protocol handler (obfuscated).

    Privileges required
    User
    Operating systems
    Windows 10, Windows 11
    ATT&CK® technique
    T1218.011
    Tags
    Execute: EXE

  4. Launch an executable by calling FileProtocolHandler.

    rundll32.exe url.dll,FileProtocolHandler {PATH_ABSOLUTE:.exe}
    Use case

    Launch an executable.

    Privileges required
    User
    Operating systems
    Windows 10, Windows 11
    ATT&CK® technique
    T1218.011
    Tags
    Execute: EXE

  5. Launch an executable by calling FileProtocolHandler.

    rundll32.exe 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
    Use case

    Load an executable payload by specifying the file protocol handler (obfuscated).

    Privileges required
    User
    Operating systems
    Windows 10, Windows 11
    ATT&CK® technique
    T1218.011
    Tags
    Execute: EXE

  6. Launch a HTML application payload by calling FileProtocolHandler.

    rundll32.exe url.dll,FileProtocolHandler file:///C:/test/test.hta
    Use case

    Invoke an HTML Application via mshta.exe (Default Handler).

    Privileges required
    User
    Operating systems
    Windows 10, Windows 11
    ATT&CK® technique
    T1218.011
    Tags
    Execute: HTA