feat: Semaine 9

2026-05-15 16:24:56 +02:00
parent 3315cb2336
commit ce1f0e513a
108 changed files with 3150 additions and 0 deletions
@@ -0,0 +1,35 @@
+from scapy.all import IP, ICMP, sr1, conf, TCP, ARP, Ether, srp, UDP, DNS, DNSQR, Packet
+
+conf.sniff_promisc = False
+
+cible = "79.137.78.240"     # datafrance.fr, le site de Rachid
+ports = [22, 80, 443, 8080, 3306]
+
+# __truediv__
+for port in ports:
+    paquet = IP(dst= cible) / TCP(dport= port, flags= 'S')
+    reponse = sr1(paquet, timeout= 1, verbose= 0)
+
+    if reponse and reponse[TCP].flags == 'SA': # SYN-ACK, le serveur répond "oui" aux connexions
+        print(f"Port {port}: ouvert")
+    else:
+        print(f"Port {port}: fermé ou filtré")
+
+    
+paquet = Ether(dst="ff:ff:ff:ff:ff:ff") / ARP(pdst="192.168.1.0/24") # Ether : adresse Broadcast (tous les appareils) / ARP : "qui a cette adresse ?"
+reponses, _ = srp(paquet, timeout= 2, verbose= 0)
+print(f"{len(reponses)} hôtes détectés: ")
+
+for envoi, reception in reponses:
+    print(f"{reception.psrc} -> {reception.hwsrc}")
+
+
+requete = IP(dst= '1.1.1.1') / UDP(dport= 53) / DNS(
+    rd= 1,                              # Recursive Desired (demande une réponse)
+    qd= DNSQR(qname= "datafrance.fr")   # Résolution de datafrance.fr
+)
+
+reponse = sr1(requete, timeout= 2, verbose= 0)
+if reponse and reponse.haslayer(DNS):
+    for i in range(reponse[DNS].ancount):
+        print(reponse[DNS].an[i].rdata) # rdata : Response Data