diff options
Diffstat (limited to 'src/usr/local/share/protocols/netbios.pat')
-rw-r--r-- | src/usr/local/share/protocols/netbios.pat | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/usr/local/share/protocols/netbios.pat b/src/usr/local/share/protocols/netbios.pat new file mode 100644 index 0000000..a0314b1 --- /dev/null +++ b/src/usr/local/share/protocols/netbios.pat @@ -0,0 +1,29 @@ +# NetBIOS - Network Basic Input Output System +# Pattern attributes: marginal notsofast notsofast +# Protocol groups: networking ietf_internet_standard proprietary +# Wiki: http://www.protocolinfo.org/wiki/NetBIOS +# Copyright (C) 2008 Matthew Strait, Ethan Sommer; See ../LICENSE +# +# As mentioned in smb.pat: +# +# "This protocol is sometimes also referred to as the Common Internet File +# System (CIFS), LanManager or NetBIOS protocol." -- "man samba" +# +# Actually, SMB is a higher level protocol than NetBIOS. However, the +# NetBIOS header is only 4 bytes: not much to match on. +# +# http://www.ubiqx.org/cifs/SMB.html +# See also RFCs 1001 and 1002. +# +# This pattern attempts to match the (Session layer) NetBIOS Session request. +# If sucessful, you may be able to match NetBIOS several packets earlier +# than if you just waited for the easier-to-match SMB header. +# +# This pattern is untested. + +netbios +# session request byte, three bytes of flags and length. Then +# there should be a big mess of letters between A and P which represent +# the NetBIOS names of the involved computers (with a null between them). +# (40ish here, damn this regexp implementation and its lack of {40,}) +\x81.?.?.[A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P][A-P] |