This file is indexed.

/etc/prelude-lml/ruleset/qpopper.rules is in prelude-lml 1.0.0-5.3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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#####
#
# Copyright (C) 2003 Stephane Loeuillet (stephane.loeuillet@tiscali.fr)
# All Rights Reserved
#
# This file is part of the Prelude-LML program.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by 
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; see the file COPYING.  If not, write to
# the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
#
#####

# LOG:Jan 13 21:05:09 myhostname popper[6950]: [AUTH] Failed attempted login to vegeta from host (Mix-Dijon-114-2-232.abo.wanadoo.fr) 193.249.231.232

regex=\[AUTH\] Failed attempted login to (\S+) from host \(?([\w\-\.]+)\)? ([\d\.]+); \
 classification.text=Mail server - invalid password for this user; \
 id=1700; \
 revision=1; \
 analyzer(0).name=Qpopper; \
 analyzer(0).manufacturer=Eudora; \
 analyzer(0).class=Service; \
 assessment.impact.completion=failed; \
 assessment.impact.type=user; \
 assessment.impact.severity=medium; \
 assessment.impact.description= Someone tried to login to your POP3 server as user '$1' but failed; \
 source(0).node.address(0).category=ipv4-addr; \
 source(0).node.address(0).address=$3; \
 source(0).service.iana_protocol_name=tcp; \
 source(0).service.iana_protocol_number=6; \
 target(0).service.port=110; \
 target(0).service.name=pop3; \
 target(0).service.iana_protocol_name=tcp; \
 target(0).service.iana_protocol_number=6; \
 target(0).user.user_id(0).type=target-user; \
 target(0).user.user_id(0).name=$1; \
 last

# LOG:Jan 13 20:42:31 myhostname popper[6752]: azerty at www.leroutier.net (81.91.66.90): -ERR [AUTH] Password supplied for "tamere" is incorrect.

regex=(\S+) at [\w\-\.]+ \(([\d\.]+)\): -ERR \[AUTH\] Password supplied for "\S+" is incorrect; \
 classification.text=Mail server - invalid password for user; \
 id=1701; \
 revision=1; \
 analyzer(0).name=Qpopper; \
 analyzer(0).manufacturer=Eudora; \
 analyzer(0).class=Service; \
 assessment.impact.completion=failed; \
 assessment.impact.type=user; \
 assessment.impact.severity=medium; \
 assessment.impact.description= Someone tried to login to your POP3 server as user '$1' but failed; \
 source(0).node.address(0).category=ipv4-addr; \
 source(0).node.address(0).address=$2; \
 source(0).service.iana_protocol_name=tcp; \
 source(0).service.iana_protocol_number=6; \
 target(0).service.port=110; \
 target(0).service.name=pop3; \
 target(0).service.iana_protocol_name=tcp; \
 target(0).service.iana_protocol_number=6; \
 target(0).user.user_id(0).type=target-user; \
 target(0).user.user_id(0).name=$1; \
 last