88 lines
2.9 KiB
Python
88 lines
2.9 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Author: Oros
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# 2016/10/07
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# License : CC0 1.0 Universal
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"""
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This program shows informations about the cell tower like MCC, MNC, LAC and CellId
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"""
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from scapy.all import sniff
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import json
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from optparse import OptionParser
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def find_cell(x):
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"""
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0 1 2 3 4 5 6 7 8 9 a b c d e f
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0000 00 00 00 00 00 00 00 00 00 00 00 00 08 00 45 00
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0010 00 43 9a 6b 40 00 40 11 a2 3c 7f 00 00 01 7f 00
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0020 00 01 ed d1 12 79 00 2f fe 42 02 04 01 00 00 00
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0030 cc 00 00 07 9b 2c 01 00 00 00 49 06 1b 61 9d 02
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0040 f8 02 01 9c c8 03 1e 53 a5 07 79 00 00 80 01 40
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0050 db
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Channel Type: BCCH (1)
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6
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0030 01
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Message Type: System Information Type 3
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c
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0030 1b
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Cell CI: 0x619d (24989)
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d e
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0030 61 9d
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Location Area Identification (LAI) - 208/20/412
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Mobile Country Code (MCC): France (208) 0x02f8
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Mobile Network Code (MNC): Bouygues Telecom (20) 0xf802
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Location Area Code (LAC): 0x019c (412)
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0 1 2 3 4 5 6 7 8 9 a b c d e f
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0030 02
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0040 f8 02 01 9c
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"""
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p=str(x)
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if ord(p[0x36]) == 0x01: # Channel Type: BCCH (1)
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if ord(p[0x3c]) == 0x1b: # Message Type: System Information Type 3
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# FIXME
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m=hex(ord(p[0x3f]))
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if len(m)<4:
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mcc=m[2]+'0'
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else:
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mcc=m[3]+m[2]
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mcc+=str(ord(p[0x40]) & 0x0f)
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# FIXME not works with mnc like 005 or 490
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m=hex(ord(p[0x41]))
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if len(m)<4:
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mnc=m[2]+'0'
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else:
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mnc=m[3]+m[2]
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lac=ord(p[0x42])*256+ord(p[0x43])
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cell=ord(p[0x3d])*256+ord(p[0x3e])
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brand=""
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operator=""
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if mcc in mcc_codes:
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if mnc in mcc_codes[mcc]['MNC']:
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country=mcc_codes[mcc]['c'][0]
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brand=mcc_codes[mcc]['MNC'][mnc][0]
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operator=mcc_codes[mcc]['MNC'][mnc][1]
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else:
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country=mcc_codes[mcc]['c'][0]
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brand="Unknown"
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operator=mcc_codes[mcc]['MNC'][mnc][1]
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print("{:5s} ; {:4s} ; {:5s} ; {:6s} ; {} ; {} ; {}".format(str(mcc), str(mnc), str(lac), str(cell), country.encode('utf-8'), brand.encode('utf-8'), operator.encode('utf-8')))
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parser = OptionParser(usage="%prog: [options]")
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parser.add_option("-p", "--port", dest="port", default="4729", type="int", help="Port (default : 4729)")
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parser.add_option("-i", "--iface", dest="iface", default="lo", help="Interface (default : lo)")
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(options, args) = parser.parse_args()
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# mcc codes form https://en.wikipedia.org/wiki/Mobile_Network_Code
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with open('mcc-mnc/mcc_codes.json', 'r') as file:
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mcc_codes = json.load(file)
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print("{:5s} ; {:4s} ; {:5s} ; {:6s} ; {} ; {} ; {}".format("MCC", "MNC", "LAC", "CellId", "Country", "Brand", "Operator"))
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sniff(iface=options.iface, filter="port {} and not icmp and udp".format(options.port), prn=find_cell, store=0)
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