#------------------------------------------------------------------------------
# $File: sniffer,v 1.25 2019/05/05 17:03:41 christos Exp $
# sniffer: file(1) magic for packet capture files
#
# From: guy@alum.mit.edu (Guy Harris)
#
#
# Microsoft Network Monitor 1.x capture files.
#
0 string RTSS NetMon capture file
>5 byte x - version %d
>4 byte x \b.%d
>6 leshort 0 (Unknown)
>6 leshort 1 (Ethernet)
>6 leshort 2 (Token Ring)
>6 leshort 3 (FDDI)
>6 leshort 4 (ATM)
>6 leshort >4 (type %d)
#
# Microsoft Network Monitor 2.x capture files.
#
0 string GMBU NetMon capture file
>5 byte x - version %d
>4 byte x \b.%d
>6 leshort 0 (Unknown)
>6 leshort 1 (Ethernet)
>6 leshort 2 (Token Ring)
>6 leshort 3 (FDDI)
>6 leshort 4 (ATM)
>6 leshort 5 (IP-over-IEEE 1394)
>6 leshort 6 (802.11)
>6 leshort 7 (Raw IP)
>6 leshort 8 (Raw IP)
>6 leshort 9 (Raw IP)
>6 leshort >9 (type %d)
#
# Network General Sniffer capture files.
# Sorry, make that "Network Associates Sniffer capture files."
# Sorry, make that "Network General old DOS Sniffer capture files."
#
0 string TRSNIFF\040data\040\040\040\040\032 Sniffer capture file
>33 byte 2 (compressed)
>23 leshort x - version %d
>25 leshort x \b.%d
>32 byte 0 (Token Ring)
>32 byte 1 (Ethernet)
>32 byte 2 (ARCNET)
>32 byte 3 (StarLAN)
>32 byte 4 (PC Network broadband)
>32 byte 5 (LocalTalk)
>32 byte 6 (Znet)
>32 byte 7 (Internetwork Analyzer)
>32 byte 9 (FDDI)
>32 byte 10 (ATM)
#
# Cinco Networks NetXRay capture files.
# Sorry, make that "Network General Sniffer Basic capture files."
# Sorry, make that "Network Associates Sniffer Basic capture files."
# Sorry, make that "Network Associates Sniffer Basic, and Windows
# Sniffer Pro", capture files."
# Sorry, make that "Network General Sniffer capture files."
# Sorry, make that "NetScout Sniffer capture files."
#
0 string XCP\0 NetXRay capture file
>4 string >\0 - version %s
>44 leshort 0 (Ethernet)
>44 leshort 1 (Token Ring)
>44 leshort 2 (FDDI)
>44 leshort 3 (WAN)
>44 leshort 8 (ATM)
>44 leshort 9 (802.11)
#
# "libpcap" capture files.
# https://www.tcpdump.org/manpages/pcap-savefile.5.html
# (We call them "tcpdump capture file(s)" for now, as "tcpdump" is
# the main program that uses that format, but there are other programs
# that use "libpcap", or that use the same capture file format.)
#
0 name pcap-be
>4 beshort x - version %d
>6 beshort x \b.%d
# clear that continuation level match
>20 clear x
>20 belong 0 (No link-layer encapsulation
>20 belong 1 (Ethernet
>20 belong 2 (3Mb Ethernet
>20 belong 3 (AX.25
>20 belong 4 (ProNET
>20 belong 5 (CHAOS
>20 belong 6 (Token Ring
>20 belong 7 (BSD ARCNET
>20 belong 8 (SLIP
>20 belong 9 (PPP
>20 belong 10 (FDDI
>20 belong 11 (RFC 1483 ATM
>20 belong 12 (raw IP
>20 belong 13 (BSD/OS SLIP
>20 belong 14 (BSD/OS PPP
>20 belong 19 (Linux ATM Classical IP
>20 belong 50 (PPP or Cisco HDLC
>20 belong 51 (PPP-over-Ethernet
>20 belong 99 (Symantec Enterprise Firewall
>20 belong 100 (RFC 1483 ATM
>20 belong 101 (raw IP
>20 belong 102 (BSD/OS SLIP
>20 belong 103 (BSD/OS PPP
>20 belong 104 (BSD/OS Cisco HDLC
>20 belong 105 (802.11
>20 belong 106 (Linux Classical IP over ATM
>20 belong 107 (Frame Relay
>20 belong 108 (OpenBSD loopback
>20 belong 109 (OpenBSD IPsec encrypted
>20 belong 112 (Cisco HDLC
>20 belong 113 (Linux cooked v1
>20 belong 114 (LocalTalk
>20 belong 117 (OpenBSD PFLOG
>20 belong 119 (802.11 with Prism header
>20 belong 122 (RFC 2625 IP over Fibre Channel
>20 belong 123 (SunATM
>20 belong 127 (802.11 with radiotap header
>20 belong 129 (Linux ARCNET
>20 belong 130 (Juniper Multi-Link PPP
>20 belong 131 (Juniper Multi-Link Frame Relay
>20 belong 132 (Juniper Encryption Services PIC
>20 belong 133 (Juniper GGSN PIC
>20 belong 134 (Juniper FRF.16 Frame Relay
>20 belong 135 (Juniper ATM2 PIC
>20 belong 136 (Juniper Advanced Services PIC
>20 belong 137 (Juniper ATM1 PIC
>20 belong 138 (Apple IP over IEEE 1394
>20 belong 139 (SS7 MTP2 with pseudo-header
>20 belong 140 (SS7 MTP2
>20 belong 141 (SS7 MTP3
>20 belong 142 (SS7 SCCP
>20 belong 143 (DOCSIS
>20 belong 144 (Linux IrDA
>20 belong 147 (Private use 0
>20 belong 148 (Private use 1
>20 belong 149 (Private use 2
>20 belong 150 (Private use 3
>20 belong 151 (Private use 4
>20 belong 152 (Private use 5
>20 belong 153 (Private use 6
>20 belong 154 (Private use 7
>20 belong 155 (Private use 8
>20 belong 156 (Private use 9
>20 belong 157 (Private use 10
>20 belong 158 (Private use 11
>20 belong 159 (Private use 12
>20 belong 160 (Private use 13
>20 belong 161 (Private use 14
>20 belong 162 (Private use 15
>20 belong 163 (802.11 with AVS header
>20 belong 164 (Juniper Passive Monitor PIC
>20 belong 165 (BACnet MS/TP
>20 belong 166 (PPPD
>20 belong 167 (Juniper PPPoE
>20 belong 168 (Juniper PPPoE/ATM
>20 belong 169 (GPRS LLC
>20 belong 170 (GPF-T
>20 belong 171 (GPF-F
>20 belong 174 (Juniper PIC Peer
>20 belong 175 (Ethernet with Endace ERF header
>20 belong 176 (Packet-over-SONET with Endace ERF header
>20 belong 177 (Linux LAPD
>20 belong 178 (Juniper Ethernet
>20 belong 179 (Juniper PPP
>20 belong 180 (Juniper Frame Relay
>20 belong 181 (Juniper C-HDLC
>20 belong 182 (FRF.16 Frame Relay
>20 belong 183 (Juniper Voice PIC
>20 belong 184 (Arinc 429
>20 belong 185 (Arinc 653 Interpartition Communication
>20 belong 186 (USB with FreeBSD header
>20 belong 187 (Bluetooth HCI H4
>20 belong 188 (802.16 MAC Common Part Sublayer
>20 belong 189 (Linux USB
>20 belong 190 (Controller Area Network (CAN) v. 2.0B
>20 belong 191 (802.15.4 with Linux padding
>20 belong 192 (PPI
>20 belong 193 (802.16 MAC Common Part Sublayer plus radiotap header
>20 belong 194 (Juniper Integrated Service Module
>20 belong 195 (802.15.4 with FCS
>20 belong 196 (SITA
>20 belong 197 (Endace ERF
>20 belong 198 (Ethernet with u10 Networks pseudo-header
>20 belong 199 (IPMB
>20 belong 200 (Juniper Secure Tunnel
>20 belong 201 (Bluetooth HCI H4 with pseudo-header
>20 belong 202 (AX.25 with KISS header
>20 belong 203 (LAPD
>20 belong 204 (PPP with direction pseudo-header
>20 belong 205 (Cisco HDLC with direction pseudo-header
>20 belong 206 (Frame Relay with direction pseudo-header
>20 belong 209 (Linux IPMB
>20 belong 215 (802.15.4 with non-ASK PHY header
>20 belong 216 (Linux evdev events
>20 belong 219 (MPLS with label as link-layer header
>20 belong 220 (Memory-mapped Linux USB
>20 belong 221 (DECT
>20 belong 222 (AOS Space Data Link protocol
>20 belong 223 (Wireless HART
>20 belong 224 (Fibre Channel FC-2
>20 belong 225 (Fibre Channel FC-2 with frame delimiters
>20 belong 226 (Solaris IPNET
>20 belong 227 (SocketCAN
>20 belong 228 (Raw IPv4
>20 belong 229 (Raw IPv6
>20 belong 230 (802.15.4 without FCS
>20 belong 231 (D-Bus messages
>20 belong 232 (Juniper Virtual Server
>20 belong 233 (Juniper SRX E2E
>20 belong 234 (Juniper Fibre Channel
>20 belong 235 (DVB-CI
>20 belong 236 (MUX27010
>20 belong 237 (STANAG 5066 D_PDUs
>20 belong 238 (Juniper ATM CEMIC
>20 belong 239 (Linux netfilter log messages
>20 belong 240 (Hilscher netAnalyzer
>20 belong 241 (Hilscher netAnalyzer with delimiters
>20 belong 242 (IP-over-Infiniband
>20 belong 243 (MPEG-2 Transport Stream packets
>20 belong 244 (ng4t ng40
>20 belong 245 (NFC LLCP
>20 belong 246 (Packet filter state syncing
>20 belong 247 (InfiniBand
>20 belong 248 (SCTP
>20 belong 249 (USB with USBPcap header
>20 belong 250 (Schweitzer Engineering Laboratories RTAC packets
>20 belong 251 (Bluetooth Low Energy air interface
>20 belong 252 (Wireshark Upper PDU export
>20 belong 253 (Linux netlink
>20 belong 254 (Bluetooth Linux Monitor
>20 belong 255 (Bluetooth Basic Rate/Enhanced Data Rate baseband packets
>20 belong 256 (Bluetooth Low Energy air interface with pseudo-header
>20 belong 257 (PROFIBUS data link layer
>20 belong 258 (Apple DLT_PKTAP
>20 belong 259 (Ethernet with 802.3 Clause 65 EPON preamble
>20 belong 260 (IPMI trace packets
>20 belong 261 (Z-Wave RF profile R1 and R2 packets
>20 belong 262 (Z-Wave RF profile R3 packets
>20 belong 263 (WattStopper Digital Lighting Mngmt/Legrand Nitoo Open Proto
>20 belong 264 (ISO 14443 messages
>20 belong 265 (IEC 62106 Radio Data System groups
>20 belong 266 (USB with Darwin header
>20 belong 267 (OpenBSD DLT_OPENFLOW
>20 belong 268 (IBM SDLC frames
>20 belong 269 (TI LLN sniffer frames
>20 belong 271 (Linux vsock
>20 belong 272 (Nordic Semiconductor Bluetooth LE sniffer frames
>20 belong 273 (Excentis XRA-31 DOCSIS 3.1 RF sniffer frames
>20 belong 274 (802.3br mPackets
>20 belong 275 (DisplayPort AUX channel monitoring data
>20 belong 276 (Linux cooked v2
>20 belong 278 (OpenVizsla USB
>20 belong 279 (Elektrobit High Speed Capture and Replay (EBHSCR)
>20 belong 281 (Broadcom tag
>20 belong 282 (Broadcom tag (prepended)
# print default match
>20 default x
>>20 belong x (linktype#%u
>16 belong x \b, capture length %u)
# packets time stamps in seconds and microseconds.
0 ubelong 0xa1b2c3d4 pcap capture file, microseconds ts (big-endian)
!:mime application/vnd.tcpdump.pcap
>0 use pcap-be
0 ulelong 0xa1b2c3d4 pcap capture file, microsecond ts (little-endian)
!:mime application/vnd.tcpdump.pcap
>0 use \^pcap-be
# packets time stamps in seconds and nanoseconds.
0 ubelong 0xa1b23c4d pcap capture file, nanosecond ts (big-endian)
!:mime application/vnd.tcpdump.pcap
>0 use pcap-be
0 ulelong 0xa1b23c4d pcap capture file, nanosecond ts (little-endian)
!:mime application/vnd.tcpdump.pcap
>0 use \^pcap-be
#
# "libpcap"-with-Alexey-Kuznetsov's-patches capture files.
#
0 ubelong 0xa1b2cd34 pcap capture file, microsecond ts, extensions (big-endian)
>0 use pcap-be
0 ulelong 0xa1b2cd34 pcap capture file, microsecond ts, extensions (little-endian)
>0 use \^pcap-be
#
# "pcapng" capture files.
# https://github.com/pcapng/pcapng
# Pcapng files can contain multiple sections. Printing the endianness,
# snaplen, or other information from the first SHB may be misleading.
#
0 ubelong 0x0a0d0d0a
>8 ubelong 0x1a2b3c4d pcapng capture file
>>12 beshort x - version %d
>>14 beshort x \b.%d
0 ulelong 0x0a0d0d0a
>8 ulelong 0x1a2b3c4d pcapng capture file
>>12 leshort x - version %d
>>14 leshort x \b.%d
#
# AIX "iptrace" capture files.
#
0 string iptrace\0401.0 AIX iptrace capture file
0 string iptrace\0402.0 AIX iptrace capture file
#
# Novell LANalyzer capture files.
#
0 leshort 0x1001 Novell LANalyzer capture file
0 leshort 0x1007 Novell LANalyzer capture file
#
# HP-UX "nettl" capture files.
#
0 string \x54\x52\x00\x64\x00 HP/UX nettl capture file
#
# RADCOM WAN/LAN Analyzer capture files.
#
0 string \x42\xd2\x00\x34\x12\x66\x22\x88 RADCOM WAN/LAN Analyzer capture file
#
# NetStumbler log files. Not really packets, per se, but about as
# close as you can get. These are log files from NetStumbler, a
# Windows program, that scans for 802.11b networks.
#
0 string NetS NetStumbler log file
>8 lelong x \b, %d stations found
#
# *Peek tagged capture files.
#
0 string \177ver EtherPeek/AiroPeek/OmniPeek capture file
#
# Visual Networks traffic capture files.
#
0 string \x05VNF Visual Networks traffic capture file
#
# Network Instruments Observer capture files.
#
0 string ObserverPktBuffe Network Instruments Observer capture file
#
# Files from Accellent Group's 5View products.
#
0 string \xaa\xaa\xaa\xaa 5View capture file