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by bugmen0t
1149 days ago
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write a backdoor :)
A kernel module that drops the user into a root shell if they call an obscure kernel functionality with a secret value in some registers. This should be somewhat easy to start and self-contained. If you want, you can easily extend it if you want things to become more fancy. E.g., hiding the secret constant. Implementing a challenge response protocol, limiting access to other global state (hardware dongle? ip address?) and so on. |
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