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https://github.com/owasp-modsecurity/ModSecurity.git
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6528c95765
AnchoredSetVariable::resolve is called for every rule (see RuleWithOperator::evaluate). The previous implementation allocated a new copy of every variable, which quickly added up. In my tests, AnchoredSetVariable::resolve function consumed 7.8% of run time. AnchoredSetVariable (which is a multimap) values are never changed, only added. This means it's safe to store them in std::shared_ptr, and make resolve return shared_ptr pointing to the same object. Other resolve implementation could also use this optimization by not allocating new objects, however, they are not hot spots, so this optimization was not implemented there. In my benchmark, this raises performance from 117 requests per second to 131 RPS, and overhead is lowered from 7.8% to 2.4%. As a bonus, replacing plain pointer with smart pointers make code cleaner, since using smart pointers makes manual deletes no longer necessary. Additionally, VariableOrigin is now stored in plain std::vector, since it's wasteful to store structure containing just two integer values using std::list<std::unique_ptr<T>>.
199 lines
5.9 KiB
Plaintext
199 lines
5.9 KiB
Plaintext
# 1
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# 2
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# 3
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# 4
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# 5
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# 6
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# 7
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# 8
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# 10
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# 11
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# 12
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SecRule TX:PARANOIA_LEVEL "@lt 1" "phase:1,id:930011,nolog,pass,skipAfter:END-REQUEST-930-APPLICATION-ATTACK-LFI"
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SecRule TX:PARANOIA_LEVEL "@lt 1" "phase:2,id:930012,nolog,pass,skipAfter:END-REQUEST-930-APPLICATION-ATTACK-LFI"
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# 18
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# 19
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# 20
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# 22
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# 23
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# 24
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# 25
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# 26
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# 27
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# 28
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SecRule REQUEST_URI_RAW|REQUEST_BODY|REQUEST_HEADERS|!REQUEST_HEADERS:Referer|XML:/* "(?i)(?:\x5c|(?:%(?:c(?:0%(?:[2aq]f|5c|9v)|1%(?:[19p]c|8s|af))|2(?:5(?:c(?:0%25af|1%259c)|2f|5c)|%46|f)|(?:(?:f(?:8%8)?0%8|e)0%80%a|bg%q)f|%3(?:2(?:%(?:%6|4)6|F)|5%%63)|u(?:221[56]|002f|EFC8|F025)|1u|5c)|0x(?:2f|5c)|\/))(?:%(?:(?:f(?:(?:c%80|8)%8)?0%8|e)0%80%ae|2(?:(?:5(?:c0%25a|2))?e|%45)|u(?:(?:002|ff0)e|2024)|%32(?:%(?:%6|4)5|E)|c0(?:%[256aef]e|\.))|\.(?:%0[01]|\?)?|\?\.?|0x2e){2}(?:\x5c|(?:%(?:c(?:0%(?:[2aq]f|5c|9v)|1%(?:[19p]c|8s|af))|2(?:5(?:c(?:0%25af|1%259c)|2f|5c)|%46|f)|(?:(?:f(?:8%8)?0%8|e)0%80%a|bg%q)f|%3(?:2(?:%(?:%6|4)6|F)|5%%63)|u(?:221[56]|002f|EFC8|F025)|1u|5c)|0x(?:2f|5c)|\/))|test1" \
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"phase:request,\
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msg:'Path Traversal Attack (/../)',\
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id:930100,\
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ver:'OWASP_CRS/3.0.0',\
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rev:'3',\
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maturity:'9',\
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accuracy:'7',\
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t:none,\
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block,\
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severity:CRITICAL,\
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logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\
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capture,\
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tag:'application-multi',\
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tag:'language-multi',\
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tag:'platform-multi',\
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tag:'attack-lfi',\
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tag:'OWASP_CRS/WEB_ATTACK/DIR_TRAVERSAL',\
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setvar:'tx.msg=%{rule.msg}',\
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setvar:tx.anomaly_score=+%{tx.critical_anomaly_score},\
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setvar:tx.lfi_score=+%{tx.critical_anomaly_score},\
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setvar:'tx.%{rule.id}-OWASP_CRS/WEB_ATTACK/DIR_TRAVERSAL-%{matched_var_name}=%{matched_var}'"
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# 52
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# 53
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# 54
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SecRule REQUEST_URI|REQUEST_BODY|REQUEST_HEADERS|!REQUEST_HEADERS:Referer|XML:/* "@pm test2" \
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"phase:request,\
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msg:'Path Traversal Attack (/../)',\
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id:930110,\
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ver:'OWASP_CRS/3.0.0',\
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rev:'1',\
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maturity:'9',\
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accuracy:'7',\
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multiMatch,\
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t:none,t:utf8toUnicode,t:urlDecodeUni,t:removeNulls,t:cmdLine,\
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block,\
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severity:CRITICAL,\
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logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\
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capture,\
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tag:'application-multi',\
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tag:'language-multi',\
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tag:'platform-multi',\
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tag:'attack-lfi',\
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tag:'OWASP_CRS/WEB_ATTACK/DIR_TRAVERSAL',\
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setvar:'tx.msg=%{rule.msg}',\
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setvar:tx.anomaly_score=+%{tx.critical_anomaly_score},\
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setvar:tx.lfi_score=+%{tx.critical_anomaly_score},\
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setvar:'tx.%{rule.id}-OWASP_CRS/WEB_ATTACK/DIR_TRAVERSAL-%{matched_var_name}=%{matched_var}'"
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# 79
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# 80
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# 81
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# 82
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# 83
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SecRule REQUEST_COOKIES|!REQUEST_COOKIES:/__utm/|REQUEST_COOKIES_NAMES|ARGS_NAMES|ARGS|XML:/* "@pm test3" \
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"phase:request,\
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msg:'OS File Access Attempt',\
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rev:'4',\
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ver:'OWASP_CRS/3.0.0',\
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maturity:'9',\
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accuracy:'9',\
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capture,\
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t:none,t:utf8toUnicode,t:urlDecodeUni,t:normalizePathWin,t:lowercase,\
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block,\
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id:930120,\
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tag:'application-multi',\
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tag:'language-multi',\
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tag:'platform-multi',\
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tag:'attack-lfi',\
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tag:'OWASP_CRS/WEB_ATTACK/FILE_INJECTION',\
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tag:'WASCTC/WASC-33',\
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tag:'OWASP_TOP_10/A4',\
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tag:'PCI/6.5.4',\
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logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\
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severity:'CRITICAL',\
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setvar:'tx.msg=%{rule.msg}',\
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setvar:tx.lfi_score=+%{tx.critical_anomaly_score},\
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setvar:tx.anomaly_score=+%{tx.critical_anomaly_score},\
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setvar:tx.%{rule.id}-OWASP_CRS/WEB_ATTACK/FILE_INJECTION-%{matched_var_name}=%{tx.0}"
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# 110
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# 111
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# 112
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# 113
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# 114
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# 115
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SecRule REQUEST_FILENAME|ARGS "@pm test4" \
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"phase:request,\
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msg:'Restricted File Access Attempt',\
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rev:'1',\
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ver:'OWASP_CRS/3.0.0',\
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maturity:'7',\
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accuracy:'8',\
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capture,\
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t:none,t:utf8toUnicode,t:urlDecodeUni,t:normalizePathWin,t:lowercase,\
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block,\
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id:930130,\
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tag:'application-multi',\
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tag:'language-multi',\
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tag:'platform-multi',\
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tag:'attack-lfi',\
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tag:'OWASP_CRS/WEB_ATTACK/FILE_INJECTION',\
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tag:'WASCTC/WASC-33',\
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tag:'OWASP_TOP_10/A4',\
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tag:'PCI/6.5.4',\
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logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\
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severity:'CRITICAL',\
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setvar:'tx.msg=%{rule.msg}',\
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setvar:tx.lfi_score=+%{tx.critical_anomaly_score},\
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setvar:tx.anomaly_score=+%{tx.critical_anomaly_score},\
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setvar:tx.%{rule.id}-OWASP_CRS/WEB_ATTACK/FILE_INJECTION-%{matched_var_name}=%{tx.0}"
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SecRule TX:PARANOIA_LEVEL "@lt 2" "phase:1,id:930013,nolog,pass,skipAfter:END-REQUEST-930-APPLICATION-ATTACK-LFI"
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SecRule TX:PARANOIA_LEVEL "@lt 2" "phase:2,id:930014,nolog,pass,skipAfter:END-REQUEST-930-APPLICATION-ATTACK-LFI"
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# 146
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# 147
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# 148
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SecRule TX:PARANOIA_LEVEL "@lt 3" "phase:1,id:930015,nolog,pass,skipAfter:END-REQUEST-930-APPLICATION-ATTACK-LFI"
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SecRule TX:PARANOIA_LEVEL "@lt 3" "phase:2,id:930016,nolog,pass,skipAfter:END-REQUEST-930-APPLICATION-ATTACK-LFI"
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# 154
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# 155
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# 156
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SecRule TX:PARANOIA_LEVEL "@lt 4" "phase:1,id:930017,nolog,pass,skipAfter:END-REQUEST-930-APPLICATION-ATTACK-LFI"
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SecRule TX:PARANOIA_LEVEL "@lt 4" "phase:2,id:930018,nolog,pass,skipAfter:END-REQUEST-930-APPLICATION-ATTACK-LFI"
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# 162
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# 163
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# 164
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# 168
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# 169
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# 170
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SecMarker "END-REQUEST-930-APPLICATION-ATTACK-LFI"
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# 172
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SecRule REQUEST_FILENAME|ARGS "@pm test5" \
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"phase:request,\
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msg:'Restricted File Access Attempt',\
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rev:'1',\
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ver:'OWASP_CRS/3.0.0',\
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maturity:'7',\
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accuracy:'8',\
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capture,\
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t:none,t:utf8toUnicode,t:urlDecodeUni,t:normalizePathWin,t:lowercase,\
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block,\
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id:9304130,\
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tag:'application-multi',\
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tag:'language-multi',\
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tag:'platform-multi',\
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tag:'attack-lfi',\
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tag:'OWASP_CRS/WEB_ATTACK/FILE_INJECTION',\
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tag:'WASCTC/WASC-33',\
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tag:'OWASP_TOP_10/A4',\
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tag:'PCI/6.5.4',\
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logdata:'Matched Data: %{TX.0} found within %{MATCHED_VAR_NAME}: %{MATCHED_VAR}',\
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severity:'CRITICAL',\
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setvar:'tx.msg=%{rule.id}',\
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setvar:tx.lfi_score=+%{tx.critical_anomaly_score},\
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setvar:tx.anomaly_score=+%{tx.critical_anomaly_score},\
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setvar:tx.%{rule.id}-OWASP_CRS/WEB_ATTACK/FILE_INJECTION-%{matched_var_name}=%{tx.0}"
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