# (C) Copyright 2001-2004, Martin Roesch, Brian Caswell, et al.
#    All rights reserved.
# $Id: other-ids.rules 1255 2004-12-19 02:06:28Z mbr $
# ---------------
# OTHER-IDS RULES
# ---------------
# These signatures look for uses of other IDSs.
#
# These signatures serve two purposes.
#  1) If you are "IDS GUY" for a company, and someone else sets up an IDS
#     without letting you know, thats bad.
#  2) If you are "pen-tester", this is a good way to find out what IDS
#     systems your target is using after you have gained access to their
#     network.
#


alert tcp $HOME_NET 902 -> $EXTERNAL_NET any (msg:"OTHER-IDS ISS RealSecure 6 event collector connection attempt"; flow:from_server,established; content:"6ISS ECNRA Built-In Provider, Strong Encryption"; depth:70; offset:30; nocase; classtype:successful-recon-limited; sid:1760; rev:3;)
alert tcp $HOME_NET 2998 -> $EXTERNAL_NET any (msg:"OTHER-IDS ISS RealSecure 6 daemon connection attempt"; flow:from_server,established; content:"6ISS ECNRA Built-In Provider, Strong Encryption"; depth:70; offset:30; nocase; classtype:successful-recon-limited; sid:1761; rev:3;)

# To limit false positives, limit to the default port of 975
alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"OTHER-IDS SecureNetPro traffic"; flow:established; content:"|00|g|00 01 00 03|"; depth:6; classtype:bad-unknown; sid:1629; rev:6;)