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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.
# ------------------------------------------------------------------------

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



SecRule TX:PARANOIA_LEVEL "@lt 1" "phase:1,id:913011,nolog,pass,skipAfter:END-REQUEST-913-SCANNER-DETECTION"
SecRule TX:PARANOIA_LEVEL "@lt 1" "phase:2,id:913012,nolog,pass,skipAfter:END-REQUEST-913-SCANNER-DETECTION"
#
# -= Paranoia Level 1 (default) =- (apply only when tx.paranoia_level is sufficiently high: 1 or higher)
#

#
# -=[ Vulnerability Scanner Checks ]=-
#
# These rules inspect the default User-Agent and Header values sent by
# various commercial and open source vuln scanners.
#
# The following rules contain User-Agent lists:
# 913100 - security scanners (data file scanners-user-agents.data)
# 913101 - scripting/generic HTTP clients (data file scripting-user-agents.data)
# 913102 - web crawlers/bots (data file crawlers-user-agents.data)
#
SecRule REQUEST_HEADERS:User-Agent "@pmFromFile scanners-user-agents.data" \
 "msg:'Found User-Agent associated with security scanner',\
  severity:'CRITICAL',\
  id:913100,\
  rev:'2',\
  phase:request,\
  block,\
  t:none,\
  t:lowercase,\
  ver:'OWASP_CRS/3.0.0',\
  maturity:'9',\
  accuracy:'9',\
  capture,\
  logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\
  tag:'application-multi',\
  tag:'language-multi',\
  tag:'platform-multi',\
  tag:'attack-reputation-scanner',\
  tag:'OWASP_CRS/AUTOMATION/SECURITY_SCANNER',\
  tag:'WASCTC/WASC-21',\
  tag:'OWASP_TOP_10/A7',\
  tag:'PCI/6.5.10',\
  setvar:'tx.msg=%{rule.msg}',\
  setvar:tx.anomaly_score=+%{tx.critical_anomaly_score},\
  setvar:tx.%{rule.id}-OWASP_CRS/AUTOMATION/SECURITY_SCANNER-%{matched_var_name}=%{matched_var},\
  setvar:ip.reput_block_flag=1,\
  expirevar:ip.reput_block_flag=%{tx.reput_block_duration},\
  setvar:'ip.reput_block_reason=%{rule.msg}'"

SecRule REQUEST_HEADERS_NAMES|REQUEST_HEADERS "@pmf scanners-headers.data" \
 "msg:'Found request header associated with security scanner',\
  severity:CRITICAL,\
  id:913110,\
  phase:request,\
  rev:'3',\
  ver:'OWASP_CRS/3.0.0',\
  maturity:'9',\
  accuracy:'9',\
  t:none,\
  t:lowercase,\
  block,\
  logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\
  tag:'application-multi',\
  tag:'language-multi',\
  tag:'platform-multi',\
  tag:'attack-reputation-scanner',\
  tag:'OWASP_CRS/AUTOMATION/SECURITY_SCANNER',\
  tag:'WASCTC/WASC-21',\
  tag:'OWASP_TOP_10/A7',\
  tag:'PCI/6.5.10',\
  setvar:'tx.msg=%{rule.msg}',\
  setvar:tx.anomaly_score=+%{tx.critical_anomaly_score},\
  setvar:tx.%{rule.id}-OWASP_CRS/AUTOMATION/SECURITY_SCANNER-%{matched_var_name}=%{matched_var},\
  setvar:ip.reput_block_flag=1,\
  expirevar:ip.reput_block_flag=%{tx.reput_block_duration},\
  setvar:'ip.reput_block_reason=%{rule.msg}'"


SecRule REQUEST_FILENAME|ARGS "@pmf scanners-urls.data" \
 "msg:'Found request filename/argument associated with security scanner',\
  severity:CRITICAL,\
  id:913120,\
  phase:request,\
  rev:'3',\
  ver:'OWASP_CRS/3.0.0',\
  maturity:'9',\
  accuracy:'9',\
  t:none,\
  t:lowercase,\
  block,\
  logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\
  tag:'application-multi',\
  tag:'language-multi',\
  tag:'platform-multi',\
  tag:'attack-reputation-scanner',\
  tag:'OWASP_CRS/AUTOMATION/SECURITY_SCANNER',\
  tag:'WASCTC/WASC-21',\
  tag:'OWASP_TOP_10/A7',\
  tag:'PCI/6.5.10',\
  setvar:'tx.msg=%{rule.msg}',\
  setvar:tx.anomaly_score=+%{tx.critical_anomaly_score},\
  setvar:tx.%{rule.id}-OWASP_CRS/AUTOMATION/SECURITY_SCANNER-%{matched_var_name}=%{matched_var},\
  setvar:ip.reput_block_flag=1,\
  expirevar:ip.reput_block_flag=%{tx.reput_block_duration},\
  setvar:'ip.reput_block_reason=%{rule.msg}'"


SecRule TX:PARANOIA_LEVEL "@lt 2" "phase:1,id:913013,nolog,pass,skipAfter:END-REQUEST-913-SCANNER-DETECTION"
SecRule TX:PARANOIA_LEVEL "@lt 2" "phase:2,id:913014,nolog,pass,skipAfter:END-REQUEST-913-SCANNER-DETECTION"
#
# -= Paranoia Level 2 =- (apply only when tx.paranoia_level is sufficiently high: 2 or higher)
#


#
# -=[ Scripting/Generic User-Agents ]=-
#
# This rule detects user-agents associated with various HTTP client libraries
# and scripting languages. Detection suggests attempted access by some
# automated tool.
#
# This rule is a sibling of rule 913100.
#
SecRule REQUEST_HEADERS:User-Agent "@pmFromFile scripting-user-agents.data" \
 "msg:'Found User-Agent associated with scripting/generic HTTP client',\
  severity:'CRITICAL',\
  id:913101,\
  rev:'1',\
  phase:request,\
  block,\
  t:none,\
  t:lowercase,\
  ver:'OWASP_CRS/3.0.0',\
  maturity:'9',\
  accuracy:'7',\
  capture,\
  logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\
  tag:'application-multi',\
  tag:'language-multi',\
  tag:'platform-multi',\
  tag:'attack-reputation-scripting',\
  tag:'OWASP_CRS/AUTOMATION/SCRIPTING',\
  tag:'WASCTC/WASC-21',\
  tag:'OWASP_TOP_10/A7',\
  tag:'PCI/6.5.10',\
  tag:'paranoia-level/2',\
  setvar:'tx.msg=%{rule.msg}',\
  setvar:tx.anomaly_score=+%{tx.critical_anomaly_score},\
  setvar:tx.%{rule.id}-OWASP_CRS/AUTOMATION/SCRIPTING-%{matched_var_name}=%{matched_var},\
  setvar:ip.reput_block_flag=1,\
  expirevar:ip.reput_block_flag=%{tx.reput_block_duration},\
  setvar:'ip.reput_block_reason=%{rule.msg}'"



#
# -=[ Crawler User-Agents ]=-
#
# This rule detects user-agents associated with various crawlers, SEO tools,
# and bots, which have been reported to potentially misbehave.
# These crawlers can have legitimate uses when used with authorization.
#
# This rule is a sibling of rule 913100.
#
SecRule REQUEST_HEADERS:User-Agent "@pmFromFile crawlers-user-agents.data" \
 "msg:'Found User-Agent associated with web crawler/bot',\
  severity:'CRITICAL',\
  id:913102,\
  rev:'1',\
  phase:request,\
  block,\
  t:none,\
  t:lowercase,\
  ver:'OWASP_CRS/3.0.0',\
  maturity:'9',\
  accuracy:'9',\
  capture,\
  logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\
  tag:'application-multi',\
  tag:'language-multi',\
  tag:'platform-multi',\
  tag:'attack-reputation-crawler',\
  tag:'OWASP_CRS/AUTOMATION/CRAWLER',\
  tag:'WASCTC/WASC-21',\
  tag:'OWASP_TOP_10/A7',\
  tag:'PCI/6.5.10',\
  tag:'paranoia-level/2',\
  setvar:'tx.msg=%{rule.msg}',\
  setvar:tx.anomaly_score=+%{tx.critical_anomaly_score},\
  setvar:tx.%{rule.id}-OWASP_CRS/AUTOMATION/CRAWLER-%{matched_var_name}=%{matched_var},\
  setvar:ip.reput_block_flag=1,\
  expirevar:ip.reput_block_flag=%{tx.reput_block_duration},\
  setvar:'ip.reput_block_reason=%{rule.msg}'"



SecRule TX:PARANOIA_LEVEL "@lt 3" "phase:1,id:913015,nolog,pass,skipAfter:END-REQUEST-913-SCANNER-DETECTION"
SecRule TX:PARANOIA_LEVEL "@lt 3" "phase:2,id:913016,nolog,pass,skipAfter:END-REQUEST-913-SCANNER-DETECTION"
#
# -= Paranoia Level 3 =- (apply only when tx.paranoia_level is sufficiently high: 3 or higher)
#



SecRule TX:PARANOIA_LEVEL "@lt 4" "phase:1,id:913017,nolog,pass,skipAfter:END-REQUEST-913-SCANNER-DETECTION"
SecRule TX:PARANOIA_LEVEL "@lt 4" "phase:2,id:913018,nolog,pass,skipAfter:END-REQUEST-913-SCANNER-DETECTION"
#
# -= Paranoia Level 4 =- (apply only when tx.paranoia_level is sufficiently high: 4 or higher)
#



#
# -= Paranoia Levels Finished =-
#
SecMarker "END-REQUEST-913-SCANNER-DETECTION"