module

Windows Capcom.sys Kernel Execution Exploit (x64 only)

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Disclosed
1999-01-01
Created
2018-05-30

Description

This module abuses the Capcom.sys kernel driver's function that allows for an
arbitrary function to be executed in the kernel from user land. This function
purposely disables SMEP prior to invoking a function given by the caller.
This has been tested on Windows 7, 8.1, 10 (x64) and Windows 11 (x64) upto build 22000.194.
Note that builds after 22000.194 contain deny lists that prevent this driver from loading.

Authors

TheWack0lian
OJ Reeves

Platform

Windows

Architectures

x64

References

Module Options

To display the available options, load the module within the Metasploit console and run the commands ‘show options’ or ‘show advanced’:


    msf > use exploit/windows/local/capcom_sys_exec
    msf exploit(capcom_sys_exec) > show targets
        ...targets...
    msf exploit(capcom_sys_exec) > set TARGET < target-id >
    msf exploit(capcom_sys_exec) > show options
        ...show and set options...
    msf exploit(capcom_sys_exec) > exploit
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