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feat: rewrite sql + alert sent to sql db from idps

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Oxbian
2024-11-18 21:49:08 -05:00
parent 2d25387fde
commit 48e9554d38
10 changed files with 110 additions and 87 deletions
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3
idps/rules/TCP/Scan/synscan.py
View File

@ -1,3 +1,5 @@
from datetime import datetime
def rule(packet, tcp_packets, db):
"""Règle SYNScan:
Un SYNScan va envoyer des requêtes TCP avec le flag SYN
@ -9,4 +11,5 @@ def rule(packet, tcp_packets, db):
seuil = db.get_key("synscan_count", 5)
if (tcp_packets.count_packet_of_type("RA", time_window) + tcp_packets.count_packet_of_type("SA", time_window)) + tcp_packets.count_packet_of_type("R", time_window) >= seuil:
db.send_alert(datetime.now(), 5, None, "Syn scan", packet['IP'].src, packet['IP'].dst, proto="TCP", reason="Détection de nombreux patterns de Syn->SynACK->Reset ACK et Syn->Reset ACK", act="Alerte")
print(f"Alerte, seuil dépassés, risque de SynScan")

5
idps/rules/TCP/Scan/tcpconnectscan.py
View File

@ -1,3 +1,5 @@
from datetime import datetime
def rule(packet, tcp_packets, db):
"""Règle TCPConnect Scan:
Un scan TCP connect va effectuer une connexion TCP en entier sur chaque port scanné.
@ -8,4 +10,5 @@ def rule(packet, tcp_packets, db):
seuil = db.get_key("tcpconnectscan_count", 5)
if (tcp_packets.count_packet_of_type("A", time_window) + tcp_packets.count_packet_of_type("RA", time_window)) >= seuil:
print(f"Alerte, seuils dépassés, risque de TCPConnectScan")
db.send_alert(datetime.now(), 5, None, "TCPConnect Scan", packet['IP'].src, packet['IP'].dst, proto="TCP", reason="Détection de nombreux patterns de Syn->SynACK->ACK->Reset->ACK et Syn->Reset ACK", act="Alerte")
print(f"Alerte, seuils dépassés, risque de TCPConnectScan")