r11135 - prelude-lml/trunk/plugins/pcre/ruleset

Author: yoann
Date: 2009-04-09 12:25:41 +0200 (Thu, 09 Apr 2009)
New Revision: 11135

Added:
   prelude-lml/trunk/plugins/pcre/ruleset/ppp.rules
Modified:
   prelude-lml/trunk/plugins/pcre/ruleset/pcre.rules
Log:
New PPP/PPTPD/L2TP ruleset, by Alexander Afonyashin <[email protected]>,
with slight modification from Pierre Chifflier <[email protected]>.
Close #340.

Modified: prelude-lml/trunk/plugins/pcre/ruleset/pcre.rules
===================================================================
--- prelude-lml/trunk/plugins/pcre/ruleset/pcre.rules	2009-04-09 09:41:57 UTC (rev 11134)
+++ prelude-lml/trunk/plugins/pcre/ruleset/pcre.rules	2009-04-09 10:25:41 UTC (rev 11135)
@@ -100,6 +100,7 @@
 regex=postfix/;                 	include = postfix.rules;
 regex=proftpd;				include = proftpd.rules;
 regex=popper;				include = qpopper.rules;
+regex=(ppp|pptpd);			include = ppp.rules;
 regex=INFO\s+srcIP;			include = rishi.rules;
 regex=avc:;				include = selinux.rules;
 regex=sendmail;				include = sendmail.rules;

Added: prelude-lml/trunk/plugins/pcre/ruleset/ppp.rules
===================================================================
--- prelude-lml/trunk/plugins/pcre/ruleset/ppp.rules	                        (rev 0)
+++ prelude-lml/trunk/plugins/pcre/ruleset/ppp.rules	2009-04-09 10:25:41 UTC (rev 11135)
@@ -0,0 +1,82 @@
+#####
+#
+# PPP/PPTP/L2TP VPN Server rules
+#
+# Copyright (C) 2009 PreludeIDS Technologies. All Rights Reserved.
+# Copyright (C) 2008 Alexander Afonyashin <[email protected]>
+# Author: Alexander Afonyashin <[email protected]>
+#
+# 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: Dec  4 23:01:24 beorc pptpd[24795]: CTRL: Client 1.2.3.4 control connection started
+#LOG: Dec  4 23:01:24 beorc pptpd[24795]: CTRL: Starting call (launching pppd, opening GRE)
+#LOG: Dec  4 23:01:25 beorc ppp[24796]: tun2: IPCP: Selected IP address 5.6.7.8
+
+# Logging succeed
+
+#LOG: Dec  4 23:01:36 beorc ppp[24796]: tun2: Phase: Chap Input: RESPONSE (49 bytes from afonyashin)
+regex=ppp\[(\d+)\]: (\S+): Phase: \S+ Input: RESPONSE \(\d+ bytes from (\S+)\); \
+ new_context=PPP_$1,expire:0; \
+ classification.text=VPN user authentication; \
+ assessment.impact.description=Authenticated attempt; \
+ target(0).interface=$2; \
+ target(0).user.category=os-device; \
+ target(0).user.user_id(0).type=target-user; \
+ target(0).user.user_id(0).name=$3; \
+ silent;
+
+#LOG: Dec  4 23:01:36 beorc ppp[24796]: tun2: Phase: Chap Output: SUCCESS
+regex=ppp\[(\d+)\]: \S+: Phase: \S+ Output: SUCCESS; \
+ require_context=PPP_$1; \
+ id=10100; \
+ revision=1; \
+ assessment.impact.severity=low; \
+ assessment.impact.completion=succeeded; \
+ assessment.impact.type=user; \
+ silent;
+
+#LOG: Dec  4 23:01:49 beorc pptpd[24795]: CTRL: Reaping child PPP[24796]
+regex=pptpd\[(\d+)\]: CTRL: \S+ \S+ PPP\[(\d+)\]; \
+ require_context=PPP_$2; \
+ new_context=PPTPD_$1,expire:5; \
+ destroy_context=PPP_$2; \
+ silent;
+
+#LOG: Dec  4 23:01:49 beorc pptpd[24795]: CTRL: Client 1.2.3.4 control connection finished
+regex=pptpd\[(\d+)\]: CTRL: Client (\S+) control; \
+ require_context=PPTPD_$1; \
+ analyzer(0).name=ppp; \
+ analyzer(0).class=VPN; \
+ source(0).node.address(0).category=ipv4-addr; \
+ source(0).node.address(0).address=$2; \
+ last;
+
+# Logging failed
+
+#LOG: Dec  4 23:01:36 beorc ppp[24796]: tun2: Phase: Chap Output: FAILURE
+regex=ppp\[(\d+)\]: \S+: Phase: \S+ Output: FAILURE; \
+ require_context=PPP_$1; \
+ id=10101; \
+ revision=1; \
+ assessment.impact.severity=medium; \
+ assessment.impact.completion=failed; \
+ assessment.impact.type=user; \
+ silent;
+

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