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Enhance FTP packet handling to detect file downloads in RETR commands

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This commit is contained in:
whaffman 2025-07-11 12:41:56 +02:00
parent dee3108d70
commit 2ea35d73fd
1 changed files with 10 additions and 1 deletions
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11
inquisitor/src/inquisitor.py
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@ -40,7 +40,16 @@ def ftp_packet_callback(packet):
"""
if packet.haslayer('IP') and packet.haslayer('TCP'):
if packet['TCP'].dport == 21 or packet['TCP'].sport == 21:
print(f"FTP Packet: {packet.summary()}")
# print(f"FTP Packet: {packet.summary()}")
if b"RETR" in bytes(packet['TCP'].payload):
# Extract filename from FTP RETR command
payload = bytes(packet['TCP'].payload).decode(errors='ignore')
parts = payload.split()
if "RETR" in parts:
idx = parts.index("RETR")
if idx + 1 < len(parts):
filename = parts[idx + 1]
print(f"FTP file download detected: {filename}")
def start_sniffing(interface=conf.iface):
"""