3 lines
419 B
Plaintext
3 lines
419 B
Plaintext
Shellcodes are raw machine instructions executed directly by the CPU, so they must match the specific instruction set architecture.
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To spawn a shell the shellcode has to make system calls to the kernel.
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Because syscall numbers and the CPU registers used to pass arguments vary entirely between different operating systems and architectures, a shellcode written for 32-bit Linux will not work on 64-bit Linux or Windows. |