feat: Semaine 9

Semaine_09/Scapy_test/sniffer_ftp.py

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+import platform
+from scapy.all import sniff, TCP, IP, conf, get_if_list
+from scapy.packet import Packet
+
+conf.sniff_promisc = False
+system = platform.system()
+
+# Interface de déboguage (si le nom de l'adaptateur n'est pas celui renseigné plus bas)
+# print("Interfaces disponibles:")
+# for iface in get_if_list():
+#     print(f"  - {iface}")
+
+match system:
+    case "Darwin":      # MacOS
+        lo = "lo0"
+    case "Windows":
+        lo = "\\Device\\NPF_Loopback"
+    case _:             # Certainement du Linux
+        lo = "lo"
+
+def detecter_credentials(paquet: Packet):
+    if paquet.haslayer(TCP) and paquet[TCP].payload:
+        payload = bytes(paquet[TCP].payload).decode(errors="ignore")
+        if payload.startswith("USER ") or payload.startswith("PASS "):
+            print(f"{paquet[IP].src} => {paquet[IP].dst}")
+            print(payload.strip())
+
+sniff(filter= "tcp port 2121", iface= lo, prn= detecter_credentials, store= 0)