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Diffstat (limited to 'package/iptables/files/l7/aim.pat')
| -rw-r--r-- | package/iptables/files/l7/aim.pat | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/package/iptables/files/l7/aim.pat b/package/iptables/files/l7/aim.pat new file mode 100644 index 000000000..5c43930fd --- /dev/null +++ b/package/iptables/files/l7/aim.pat @@ -0,0 +1,28 @@ +# AIM - AOL instant messenger (OSCAR and TOC) +# Pattern attributes: good slow notsofast +# Protocol groups: chat proprietary +# Wiki: http://www.protocolinfo.org/wiki/AIM +# Copyright (C) 2008 Matthew Strait, Ethan Sommer; See ../LICENSE +# +# Usually runs on port 5190 +# +# This may also match ICQ traffic. +# +# This pattern has been tested and is believed to work well. + +aim +# See http://gridley.res.carleton.edu/~straitm/final (and various other places) +# The first bit matches OSCAR signon and data commands, but not sure what +# \x03\x0b matches, but it works apparently. +# The next three bits match various parts of the TOC signon process. +# The third one is the magic number "*", then 0x01 for "signon", then up to four +# bytes ("up to" because l7-filter strips out nulls) which contain a sequence +# number (2 bytes) the data length (2 more) and 3 nulls (which don't count), +# then 0x01 for the version number (not sure if there ever has been another +# version) +# The fourth one is a command string, followed by some stuff, then the +# beginning of the "roasted" password + +# This pattern is too slow! + +^(\*[\x01\x02].*\x03\x0b|\*\x01.?.?.?.?\x01)|flapon|toc_signon.*0x |