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Filename : RESPONSE-980-CORRELATION.conf
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# ------------------------------------------------------------------------
# OWASP ModSecurity Core Rule Set ver.3.0.2
# Copyright (c) 2006-2016 Trustwave and contributors. All rights reserved.
#
# The OWASP ModSecurity Core Rule Set is distributed under
# Apache Software License (ASL) version 2
# Please see the enclosed LICENSE file for full details.
# ------------------------------------------------------------------------

#
# This file is used in post processing after the response has been sent to
# the client (in the logging phase).  Its purpose is to provide inbound+outbound
# correlation of events to provide a more intelligent designation as to the outcome
# or result of the transaction - meaning, was this a successful attack?
#

#
# -= Paranoia Level 0 (empty) =- (apply unconditionally)
#

#
# -=[ Correlated Successful Attack ]=-
#
SecRule &TX:'/LEAKAGE\\\/ERRORS/' "@ge 1" \
	"chain,\
	phase:logging,\
	id:980100,\
	t:none,\
	log,\
	pass,\
	tag:'event-correlation',\
	skipAfter:END_CORRELATION,\
	severity:'EMERGENCY',\
	msg:'Correlated Successful Attack Identified: (Total Score: %{tx.anomaly_score}) Inbound Attack (%{tx.inbound_tx_msg} - Inbound Anomaly Score: %{TX.INBOUND_ANOMALY_SCORE}) + Outbound Data Leakage (%{tx.msg} - Outbound Anomaly Score: %{TX.OUTBOUND_ANOMALY_SCORE})'"
		SecRule &TX:'/WEB_ATTACK/' "@ge 1" "t:none"
		

#
# -=[ Correlated Attack Attempt ]=-
#
SecRule &TX:'/AVAILABILITY\\\/APP_NOT_AVAIL/' "@ge 1" \
	"chain,\
	phase:logging,\
	id:980110,\
	t:none,\
	log,\
	pass,\
        tag:'event-correlation',\
	skipAfter:END_CORRELATION,\
	severity:'ALERT',\
	msg:'Correlated Attack Attempt Identified: (Total Score: %{tx.anomaly_score}) Inbound Attack (%{tx.inbound_tx_msg} Inbound Anomaly Score: %{TX.INBOUND_ANOMALY_SCORE}) + Outbound Application Error (%{tx.msg} - Outbound Anomaly Score: %{TX.OUTBOUND_ANOMALY_SCORE})'"
		SecRule &TX:'/WEB_ATTACK/' "@ge 1" "t:none"

SecRule TX:INBOUND_ANOMALY_SCORE "@gt 0" \
	"chain,\
	phase:logging,\
	id:980120,\
	t:none,\
	log,noauditlog,\
	pass,\
        tag:'event-correlation',\
	skipAfter:END_CORRELATION,\
	msg:'Inbound Anomaly Score (Total Inbound Score: %{TX.INBOUND_ANOMALY_SCORE}): %{tx.inbound_tx_msg}'"
		SecRule TX:INBOUND_ANOMALY_SCORE "@lt %{tx.inbound_anomaly_score_threshold}"

SecRule TX:INBOUND_ANOMALY_SCORE "@ge %{tx.inbound_anomaly_score_threshold}" \
	"phase:logging,\
	id:980130,\
	t:none,\
	log,noauditlog,\
	pass,\
        tag:'event-correlation',\
	msg:'Inbound Anomaly Score Exceeded (Total Inbound Score: %{TX.INBOUND_ANOMALY_SCORE} - SQLI=%{tx.sql_injection_score},XSS=%{tx.xss_score},RFI=%{tx.rfi_score},LFI=%{tx.lfi_score},RCE=%{tx.rce_score},PHPI=%{tx.php_injection_score},HTTP=%{tx.http_violation_score},SESS=%{tx.session_fixation_score}): %{tx.inbound_tx_msg}'"

SecRule TX:OUTBOUND_ANOMALY_SCORE "@ge %{tx.outbound_anomaly_score_threshold}" \
	"phase:logging,\
	id:980140,\
	t:none,\
	log,noauditlog,\
	pass,\
        tag:'event-correlation',\
	msg:'Outbound Anomaly Score Exceeded (score %{TX.OUTBOUND_ANOMALY_SCORE}): %{tx.msg}'"

SecMarker END_CORRELATION


SecRule TX:PARANOIA_LEVEL "@lt 1" "phase:1,id:980011,nolog,pass,skipAfter:END-RESPONSE-980-CORRELATION"
SecRule TX:PARANOIA_LEVEL "@lt 1" "phase:2,id:980012,nolog,pass,skipAfter:END-RESPONSE-980-CORRELATION"
#
# -= Paranoia Level 1 (default) =- (apply only when tx.paranoia_level is sufficiently high: 1 or higher)
#



SecRule TX:PARANOIA_LEVEL "@lt 2" "phase:1,id:980013,nolog,pass,skipAfter:END-RESPONSE-980-CORRELATION"
SecRule TX:PARANOIA_LEVEL "@lt 2" "phase:2,id:980014,nolog,pass,skipAfter:END-RESPONSE-980-CORRELATION"
#
# -= Paranoia Level 2 =- (apply only when tx.paranoia_level is sufficiently high: 2 or higher)
#



SecRule TX:PARANOIA_LEVEL "@lt 3" "phase:1,id:980015,nolog,pass,skipAfter:END-RESPONSE-980-CORRELATION"
SecRule TX:PARANOIA_LEVEL "@lt 3" "phase:2,id:980016,nolog,pass,skipAfter:END-RESPONSE-980-CORRELATION"
#
# -= Paranoia Level 3 =- (apply only when tx.paranoia_level is sufficiently high: 3 or higher)
#



SecRule TX:PARANOIA_LEVEL "@lt 4" "phase:1,id:980017,nolog,pass,skipAfter:END-RESPONSE-980-CORRELATION"
SecRule TX:PARANOIA_LEVEL "@lt 4" "phase:2,id:980018,nolog,pass,skipAfter:END-RESPONSE-980-CORRELATION"
#
# -= Paranoia Level 4 =- (apply only when tx.paranoia_level is sufficiently high: 4 or higher)
#



#
# -= Paranoia Levels Finished =-
#
SecMarker "END-RESPONSE-980-CORRELATION"