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REQUEST-913-SCANNER-DETECTION.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. # ------------------------------------------------------------------------ # # -= 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"