2 #------------------------------------------------------------------------------
3 # $File: sniffer,v 1.14 2009/09/19 16:28:12 christos Exp $
4 # sniffer: file(1) magic for packet capture files
6 # From: guy@alum.mit.edu (Guy Harris)
10 # Microsoft Network Monitor 1.x capture files.
12 0 string RTSS NetMon capture file
13 >5 byte x - version %d
15 >6 leshort 0 (Unknown)
16 >6 leshort 1 (Ethernet)
17 >6 leshort 2 (Token Ring)
22 # Microsoft Network Monitor 2.x capture files.
24 0 string GMBU NetMon capture file
25 >5 byte x - version %d
27 >6 leshort 0 (Unknown)
28 >6 leshort 1 (Ethernet)
29 >6 leshort 2 (Token Ring)
34 # Network General Sniffer capture files.
35 # Sorry, make that "Network Associates Sniffer capture files."
36 # Sorry, make that "Network General old DOS Sniffer capture files."
38 0 string TRSNIFF\ data\ \ \ \ \032 Sniffer capture file
39 >33 byte 2 (compressed)
40 >23 leshort x - version %d
42 >32 byte 0 (Token Ring)
46 >32 byte 4 (PC Network broadband)
47 >32 byte 5 (LocalTalk)
49 >32 byte 7 (Internetwork Analyzer)
54 # Cinco Networks NetXRay capture files.
55 # Sorry, make that "Network General Sniffer Basic capture files."
56 # Sorry, make that "Network Associates Sniffer Basic capture files."
57 # Sorry, make that "Network Associates Sniffer Basic, and Windows
58 # Sniffer Pro", capture files."
59 # Sorry, make that "Network General Sniffer capture files."
61 0 string XCP\0 NetXRay capture file
62 >4 string >\0 - version %s
63 >44 leshort 0 (Ethernet)
64 >44 leshort 1 (Token Ring)
68 >44 leshort 9 (802.11)
71 # "libpcap" capture files.
72 # (We call them "tcpdump capture file(s)" for now, as "tcpdump" is
73 # the main program that uses that format, but there are other programs
74 # that use "libpcap", or that use the same capture file format.)
76 0 ubelong 0xa1b2c3d4 tcpdump capture file (big-endian)
77 >4 beshort x - version %d
79 >20 belong 0 (No link-layer encapsulation
80 >20 belong 1 (Ethernet
81 >20 belong 2 (3Mb Ethernet
85 >20 belong 6 (Token Ring
86 >20 belong 7 (BSD ARCNET
90 >20 belong 11 (RFC 1483 ATM
92 >20 belong 13 (BSD/OS SLIP
93 >20 belong 14 (BSD/OS PPP
94 >20 belong 19 (Linux ATM Classical IP
95 >20 belong 50 (PPP or Cisco HDLC
96 >20 belong 51 (PPP-over-Ethernet
97 >20 belong 99 (Symantec Enterprise Firewall
98 >20 belong 100 (RFC 1483 ATM
99 >20 belong 101 (raw IP
100 >20 belong 102 (BSD/OS SLIP
101 >20 belong 103 (BSD/OS PPP
102 >20 belong 104 (BSD/OS Cisco HDLC
103 >20 belong 105 (802.11
104 >20 belong 106 (Linux Classical IP over ATM
105 >20 belong 107 (Frame Relay
106 >20 belong 108 (OpenBSD loopback
107 >20 belong 109 (OpenBSD IPsec encrypted
108 >20 belong 112 (Cisco HDLC
109 >20 belong 113 (Linux "cooked"
110 >20 belong 114 (LocalTalk
111 >20 belong 117 (OpenBSD PFLOG
112 >20 belong 119 (802.11 with Prism header
113 >20 belong 122 (RFC 2625 IP over Fibre Channel
114 >20 belong 123 (SunATM
115 >20 belong 127 (802.11 with radiotap header
116 >20 belong 129 (Linux ARCNET
117 >20 belong 138 (Apple IP over IEEE 1394
120 >20 belong 143 (DOCSIS
122 >20 belong 147 (Private use 0
123 >20 belong 148 (Private use 1
124 >20 belong 149 (Private use 2
125 >20 belong 150 (Private use 3
126 >20 belong 151 (Private use 4
127 >20 belong 152 (Private use 5
128 >20 belong 153 (Private use 6
129 >20 belong 154 (Private use 7
130 >20 belong 155 (Private use 8
131 >20 belong 156 (Private use 9
132 >20 belong 157 (Private use 10
133 >20 belong 158 (Private use 11
134 >20 belong 159 (Private use 12
135 >20 belong 160 (Private use 13
136 >20 belong 161 (Private use 14
137 >20 belong 162 (Private use 15
138 >20 belong 163 (802.11 with AVS header
139 >16 belong x \b, capture length %d)
140 0 ulelong 0xa1b2c3d4 tcpdump capture file (little-endian)
141 >4 leshort x - version %d
143 >20 lelong 0 (No link-layer encapsulation
144 >20 lelong 1 (Ethernet
145 >20 lelong 2 (3Mb Ethernet
149 >20 lelong 6 (Token Ring
154 >20 lelong 11 (RFC 1483 ATM
155 >20 lelong 12 (raw IP
156 >20 lelong 13 (BSD/OS SLIP
157 >20 lelong 14 (BSD/OS PPP
158 >20 lelong 19 (Linux ATM Classical IP
159 >20 lelong 50 (PPP or Cisco HDLC
160 >20 lelong 51 (PPP-over-Ethernet
161 >20 lelong 99 (Symantec Enterprise Firewall
162 >20 lelong 100 (RFC 1483 ATM
163 >20 lelong 101 (raw IP
164 >20 lelong 102 (BSD/OS SLIP
165 >20 lelong 103 (BSD/OS PPP
166 >20 lelong 104 (BSD/OS Cisco HDLC
167 >20 lelong 105 (802.11
168 >20 lelong 106 (Linux Classical IP over ATM
169 >20 lelong 107 (Frame Relay
170 >20 lelong 108 (OpenBSD loopback
171 >20 lelong 109 (OpenBSD IPsec encrypted
172 >20 lelong 112 (Cisco HDLC
173 >20 lelong 113 (Linux "cooked"
174 >20 lelong 114 (LocalTalk
175 >20 lelong 117 (OpenBSD PFLOG
176 >20 lelong 119 (802.11 with Prism header
177 >20 lelong 122 (RFC 2625 IP over Fibre Channel
178 >20 lelong 123 (SunATM
179 >20 lelong 127 (802.11 with radiotap header
180 >20 lelong 129 (Linux ARCNET
181 >20 lelong 138 (Apple IP over IEEE 1394
184 >20 lelong 143 (DOCSIS
186 >20 lelong 147 (Private use 0
187 >20 lelong 148 (Private use 1
188 >20 lelong 149 (Private use 2
189 >20 lelong 150 (Private use 3
190 >20 lelong 151 (Private use 4
191 >20 lelong 152 (Private use 5
192 >20 lelong 153 (Private use 6
193 >20 lelong 154 (Private use 7
194 >20 lelong 155 (Private use 8
195 >20 lelong 156 (Private use 9
196 >20 lelong 157 (Private use 10
197 >20 lelong 158 (Private use 11
198 >20 lelong 159 (Private use 12
199 >20 lelong 160 (Private use 13
200 >20 lelong 161 (Private use 14
201 >20 lelong 162 (Private use 15
202 >20 lelong 163 (802.11 with AVS header
203 >16 lelong x \b, capture length %d)
206 # "libpcap"-with-Alexey-Kuznetsov's-patches capture files.
207 # (We call them "tcpdump capture file(s)" for now, as "tcpdump" is
208 # the main program that uses that format, but there are other programs
209 # that use "libpcap", or that use the same capture file format.)
211 0 ubelong 0xa1b2cd34 extended tcpdump capture file (big-endian)
212 >4 beshort x - version %d
214 >20 belong 0 (No link-layer encapsulation
215 >20 belong 1 (Ethernet
216 >20 belong 2 (3Mb Ethernet
220 >20 belong 6 (Token Ring
225 >20 belong 11 (RFC 1483 ATM
226 >20 belong 12 (raw IP
227 >20 belong 13 (BSD/OS SLIP
228 >20 belong 14 (BSD/OS PPP
229 >16 belong x \b, capture length %d)
230 0 ulelong 0xa1b2cd34 extended tcpdump capture file (little-endian)
231 >4 leshort x - version %d
233 >20 lelong 0 (No link-layer encapsulation
234 >20 lelong 1 (Ethernet
235 >20 lelong 2 (3Mb Ethernet
239 >20 lelong 6 (Token Ring
244 >20 lelong 11 (RFC 1483 ATM
245 >20 lelong 12 (raw IP
246 >20 lelong 13 (BSD/OS SLIP
247 >20 lelong 14 (BSD/OS PPP
248 >16 lelong x \b, capture length %d)
251 # AIX "iptrace" capture files.
253 0 string iptrace\ 1.0 "iptrace" capture file
254 0 string iptrace\ 2.0 "iptrace" capture file
257 # Novell LANalyzer capture files.
259 0 leshort 0x1001 LANalyzer capture file
260 0 leshort 0x1007 LANalyzer capture file
263 # HP-UX "nettl" capture files.
265 0 string \x54\x52\x00\x64\x00 "nettl" capture file
268 # RADCOM WAN/LAN Analyzer capture files.
270 0 string \x42\xd2\x00\x34\x12\x66\x22\x88 RADCOM WAN/LAN Analyzer capture file
273 # NetStumbler log files. Not really packets, per se, but about as
274 # close as you can get. These are log files from NetStumbler, a
275 # Windows program, that scans for 802.11b networks.
277 0 string NetS NetStumbler log file
278 >8 lelong x \b, %d stations found
281 # EtherPeek/AiroPeek "version 9" capture files.
283 0 string \177ver EtherPeek/AiroPeek capture file
286 # Visual Networks traffic capture files.
288 0 string \x05VNF Visual Networks traffic capture file
291 # Network Instruments Observer capture files.
293 0 string ObserverPktBuffe Network Instruments Observer capture file
296 # Files from Accellent Group's 5View products.
298 0 string \xaa\xaa\xaa\xaa 5View capture file