/etc/snort/rules/community-nntp.rules is in snort-rules-default 2.9.7.0-5build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | # Copyright 2005 Sourcefire, Inc. All Rights Reserved.
# These rules are licensed under the GNU General Public License.
# Please see the file LICENSE in this directory for more details.
# $Id: community-nntp.rules,v 1.3 2006/02/16 15:51:19 akirk Exp $
alert tcp $EXTERNAL_NET 119 -> $HOME_NET any (msg:"COMMUNITY NNTP Lynx overflow attempt"; flow:to_server,established; content:"Subject"; nocase; pcre:"/^Subject\x3a[^\r\n]{100,}/smi"; reference:cve,2005-3120; reference:bugtraq,15117; reference:url,www.osvdb.org/displayvuln.php?osvdb_id=20019; reference:nessus,20035; classtype:attempted-admin; sid:100000172; rev:2;)
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