# Copyright 2001-2005 Sourcefire, Inc. All Rights Reserved## This file may contain proprietary rules that were created, tested and# certified by Sourcefire, Inc. (the "VRT Certified Rules") as well as# rules that were created by Sourcefire and other third parties and# distributed under the GNU General Public License (the "GPL Rules").  The# VRT Certified Rules contained in this file are the property of# Sourcefire, Inc. Copyright 2005 Sourcefire, Inc. All Rights Reserved.# The GPL Rules created by Sourcefire, Inc. are the property of# Sourcefire, Inc. Copyright 2002-2005 Sourcefire, Inc. All Rights# Reserved.  All other GPL Rules are owned and copyrighted by their# respective owners (please see www.snort.org/contributors for a list of# owners and their respective copyrights).  In order to determine what# rules are VRT Certified Rules or GPL Rules, please refer to the VRT# Certified Rules License Agreement.### $Id: rservices.rules,v 1.26 2005/05/16 22:18:17 mwatchinski Exp $#----------------# RSERVICES RULES#----------------alert tcp $EXTERNAL_NET any -> $HOME_NET 513 (msg:"RSERVICES rlogin LinuxNIS"; flow:to_server,established; content:"|3A 3A 3A 3A 3A 3A 3A 3A 00 3A 3A 3A 3A 3A 3A 3A 3A|"; classtype:bad-unknown; sid:601; rev:6;)alert tcp $EXTERNAL_NET any -> $HOME_NET 513 (msg:"RSERVICES rlogin bin"; flow:to_server,established; content:"bin|00|bin|00|"; reference:arachnids,384; classtype:attempted-user; sid:602; rev:5;)alert tcp $EXTERNAL_NET any -> $HOME_NET 513 (msg:"RSERVICES rlogin echo++"; flow:to_server,established; content:"echo |22| + + |22|"; reference:arachnids,385; classtype:bad-unknown; sid:603; rev:5;)alert tcp $EXTERNAL_NET any -> $HOME_NET 513 (msg:"RSERVICES rsh froot"; flow:to_server,established; content:"-froot|00|"; reference:arachnids,387; classtype:attempted-admin; sid:604; rev:5;)alert tcp $HOME_NET 513 -> $EXTERNAL_NET any (msg:"RSERVICES rlogin login failure"; flow:from_server,established; content:"|01|rlogind|3A| Permission denied."; reference:arachnids,392; classtype:unsuccessful-user; sid:611; rev:7;)alert tcp $HOME_NET 513 -> $EXTERNAL_NET any (msg:"RSERVICES rlogin login failure"; flow:from_server,established; content:"login incorrect"; reference:arachnids,393; classtype:unsuccessful-user; sid:605; rev:6;)alert tcp $EXTERNAL_NET any -> $HOME_NET 513 (msg:"RSERVICES rlogin root"; flow:to_server,established; content:"root|00|root|00|"; reference:arachnids,389; classtype:attempted-admin; sid:606; rev:5;)alert tcp $EXTERNAL_NET any -> $HOME_NET 514 (msg:"RSERVICES rsh bin"; flow:to_server,established; content:"bin|00|bin|00|"; reference:arachnids,390; classtype:attempted-user; sid:607; rev:5;)alert tcp $EXTERNAL_NET any -> $HOME_NET 514 (msg:"RSERVICES rsh echo + +"; flow:to_server,established; content:"echo |22|+ +|22|"; reference:arachnids,388; classtype:attempted-user; sid:608; rev:5;)alert tcp $EXTERNAL_NET any -> $HOME_NET 514 (msg:"RSERVICES rsh froot"; flow:to_server,established; content:"-froot|00|"; reference:arachnids,387; classtype:attempted-admin; sid:609; rev:5;)alert tcp $EXTERNAL_NET any -> $HOME_NET 514 (msg:"RSERVICES rsh root"; flow:to_server,established; content:"root|00|root|00|"; reference:arachnids,391; classtype:attempted-admin; sid:610; rev:5;)alert tcp $EXTERNAL_NET any -> $HOME_NET 512 (msg:"RSERVICES rexec username overflow attempt"; flow:to_server,established; content:"|00|"; offset:9; content:"|00|"; distance:0; content:"|00|"; distance:0; classtype:attempted-admin; sid:2113; rev:3;)alert tcp $EXTERNAL_NET any -> $HOME_NET 512 (msg:"RSERVICES rexec password overflow attempt"; flow:to_server,established; content:"|00|"; content:"|00|"; distance:33; content:"|00|"; distance:0; classtype:attempted-admin; sid:2114; rev:3;)