# ------------------------------------------------------------------------ # OWASP ModSecurity Core Rule Set ver.3.3.2 # Copyright (c) 2006-2020 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:EXECUTING_PARANOIA_LEVEL "@lt 1" "id:913011,phase:1,pass,nolog,skipAfter:END-REQUEST-913-SCANNER-DETECTION" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 1" "id:913012,phase:2,pass,nolog,skipAfter:END-REQUEST-913-SCANNER-DETECTION" # # -= Paranoia Level 1 (default) =- (apply only when tx.executing_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" \ "id:913100,\ phase:2,\ block,\ capture,\ t:none,t:lowercase,\ msg:'Found User-Agent associated with security scanner',\ 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:'paranoia-level/1',\ tag:'OWASP_CRS',\ tag:'capec/1000/118/224/541/310',\ tag:'PCI/6.5.10',\ ver:'OWASP_CRS/3.3.2',\ severity:'CRITICAL',\ setvar:'tx.anomaly_score_pl1=+%{tx.critical_anomaly_score}',\ setvar:'ip.reput_block_flag=1',\ setvar:'ip.reput_block_reason=%{rule.msg}',\ expirevar:'ip.reput_block_flag=%{tx.reput_block_duration}'" SecRule REQUEST_HEADERS_NAMES|REQUEST_HEADERS "@pmFromFile scanners-headers.data" \ "id:913110,\ phase:2,\ block,\ capture,\ t:none,t:lowercase,\ msg:'Found request header associated with security scanner',\ 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:'paranoia-level/1',\ tag:'OWASP_CRS',\ tag:'capec/1000/118/224/541/310',\ tag:'PCI/6.5.10',\ ver:'OWASP_CRS/3.3.2',\ severity:'CRITICAL',\ setvar:'tx.anomaly_score_pl1=+%{tx.critical_anomaly_score}',\ setvar:'ip.reput_block_flag=1',\ setvar:'ip.reput_block_reason=%{rule.msg}',\ expirevar:'ip.reput_block_flag=%{tx.reput_block_duration}'" SecRule REQUEST_FILENAME|ARGS "@pmFromFile scanners-urls.data" \ "id:913120,\ phase:2,\ block,\ capture,\ t:none,t:lowercase,\ msg:'Found request filename/argument associated with security scanner',\ 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:'paranoia-level/1',\ tag:'OWASP_CRS',\ tag:'capec/1000/118/224/541/310',\ tag:'PCI/6.5.10',\ ver:'OWASP_CRS/3.3.2',\ severity:'CRITICAL',\ setvar:'tx.anomaly_score_pl1=+%{tx.critical_anomaly_score}',\ setvar:'ip.reput_block_flag=1',\ setvar:'ip.reput_block_reason=%{rule.msg}',\ expirevar:'ip.reput_block_flag=%{tx.reput_block_duration}'" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 2" "id:913013,phase:1,pass,nolog,skipAfter:END-REQUEST-913-SCANNER-DETECTION" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 2" "id:913014,phase:2,pass,nolog,skipAfter:END-REQUEST-913-SCANNER-DETECTION" # # -= Paranoia Level 2 =- (apply only when tx.executing_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" \ "id:913101,\ phase:2,\ block,\ capture,\ t:none,t:lowercase,\ msg:'Found User-Agent associated with scripting/generic HTTP client',\ 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',\ tag:'capec/1000/118/224/541/310',\ tag:'PCI/6.5.10',\ tag:'paranoia-level/2',\ ver:'OWASP_CRS/3.3.2',\ severity:'CRITICAL',\ setvar:'tx.anomaly_score_pl2=+%{tx.critical_anomaly_score}',\ setvar:'ip.reput_block_flag=1',\ setvar:'ip.reput_block_reason=%{rule.msg}',\ expirevar:'ip.reput_block_flag=%{tx.reput_block_duration}'" # # -=[ 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" \ "id:913102,\ phase:2,\ block,\ capture,\ t:none,t:lowercase,\ msg:'Found User-Agent associated with web crawler/bot',\ 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',\ tag:'capec/1000/118/224/541/310',\ tag:'PCI/6.5.10',\ tag:'paranoia-level/2',\ ver:'OWASP_CRS/3.3.2',\ severity:'CRITICAL',\ setvar:'tx.anomaly_score_pl2=+%{tx.critical_anomaly_score}',\ setvar:'ip.reput_block_flag=1',\ setvar:'ip.reput_block_reason=%{rule.msg}',\ expirevar:'ip.reput_block_flag=%{tx.reput_block_duration}'" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 3" "id:913015,phase:1,pass,nolog,skipAfter:END-REQUEST-913-SCANNER-DETECTION" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 3" "id:913016,phase:2,pass,nolog,skipAfter:END-REQUEST-913-SCANNER-DETECTION" # # -= Paranoia Level 3 =- (apply only when tx.executing_paranoia_level is sufficiently high: 3 or higher) # SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 4" "id:913017,phase:1,pass,nolog,skipAfter:END-REQUEST-913-SCANNER-DETECTION" SecRule TX:EXECUTING_PARANOIA_LEVEL "@lt 4" "id:913018,phase:2,pass,nolog,skipAfter:END-REQUEST-913-SCANNER-DETECTION" # # -= Paranoia Level 4 =- (apply only when tx.executing_paranoia_level is sufficiently high: 4 or higher) # # # -= Paranoia Levels Finished =- # SecMarker "END-REQUEST-913-SCANNER-DETECTION"