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@ -1,32 +0,0 @@ |
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import socket |
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# Sending a SYN packet |
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def init_socket(): |
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s = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_TCP) |
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s.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1) |
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return s |
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def send_raw_packet(): |
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ip_header = b'\x45\x00\x00\x28' # Version, IHL, Type of Service | Total Length |
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ip_header += b'\x00\x00\x00\x00' # Identification | Flags, Fragment Offset |
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ip_header += b'\x28\x06\xa6\xec' # TTL = 40s, Protocol = 6 for TCP | Header Checksum |
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ip_header += b'\xac\xa8\x05\x03' # Source Address: 172.168.5.3 |
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ip_header += b'\xac\xa8\x05\x04' # Destination Address: 172.168.5.4 |
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tcp_header = b'\x04\xD2\x11\x5C' # Source Port | Destination Port |
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tcp_header += b'\x00\x00\x00\x00' # Sequence Number |
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tcp_header += b'\x00\x00\x00\x00' # Acknowledgement Number |
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tcp_header += b'\x50\x02\x00\x00' # Data Offset, Reserved, Flags | Window Size |
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tcp_header += b'\xe6\x32\x00\x00' # Checksum | Urgent Pointer |
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packet = ip_header + tcp_header |
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return packet |
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if __name__=="__main__": |
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dst_IP = '172.168.5.4' |
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s = init_socket() |
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packet = send_raw_packet() |
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s.sendto(packet, (dst_IP, 0)) |
