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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| import pyshark | ||
| import keras | ||
| import numpy as np | ||
| import logging | ||
|
|
||
| # create logger object | ||
| logger = logging.getLogger(__name__) | ||
| logger.setLevel(logging.INFO) | ||
| console_handler = logging.StreamHandler() | ||
| console_handler.setLevel(logging.INFO) | ||
| formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s') | ||
| console_handler.setFormatter(formatter) | ||
| logger.addHandler(console_handler) | ||
|
|
||
| interface = "eth0" | ||
| host_ip="192.168.0.1" | ||
| capture_filter = f"host {host_ip}" | ||
| feature_names = ['ip.src', 'frame.len', 'ip.hdr_len', 'ip.len', 'ip.flags.rb', 'ip.flags.df', 'p.flags.mf', 'ip.frag_offset', | ||
| 'ip.ttl', 'ip.proto', 'tcp.srcport', 'tcp.dstport', | ||
| 'tcp.len', 'tcp.ack', 'tcp.flags.res', 'tcp.flags.ns', 'tcp.flags.cwr', | ||
| 'tcp.flags.ecn', 'tcp.flags.urg', 'tcp.flags.ack', 'tcp.flags.push', | ||
| 'tcp.flags.reset', 'tcp.flags.syn', 'tcp.flags.fin', 'tcp.window_size', | ||
| 'tcp.time_delta'] | ||
| model_path = "brnn_model.h5" | ||
| model = keras.models.load_model(model_path) | ||
| suspicious_ips = set() | ||
|
|
||
| capture = pyshark.LiveCapture(interface=interface, display_filter=capture_filter) | ||
| for packet in capture.sniff_continuously(): | ||
| features = [getattr(packet, feature_name) for feature_name in feature_names] | ||
| x = np.array(features[1:]).reshape(1, -1) # Skip the first feature (IP address) | ||
| prediction = model.predict(x) | ||
| tcp_header = packet.tcp | ||
| src_port = tcp_header.srcport | ||
| dst_port = tcp_header.dstport | ||
| seq_num = tcp_header.seq | ||
| ack_num = tcp_header.ack | ||
|
|
||
| if prediction[0] == 1: | ||
| suspicious_ips.add(features[0]) | ||
| logger.info("Suspicious IP detected: %s", features[0]) | ||
| # Send RST packet to source IP | ||
| ip_packet = IP(dst=host_ip, src=features[0]) | ||
| tcp_packet = TCP(dport=src_port, sport=dst_port, flags="R", seq=seq_num, ack=ack_num) | ||
| rst_packet = ip_packet/tcp_packet | ||
| send(rst_packet) | ||
| logger.info("RST packet sent to %s", features[0]) |