id: waf-detect info: name: WAF Detection author: dwisiswant0,lu4nx severity: info description: A web application firewall was detected. reference: - https://github.com/Ekultek/WhatWaf classification: cwe-id: CWE-200 tags: waf,tech,misc requests: - raw: - | POST / HTTP/1.1 Host: {{Hostname}} Content-Type: application/x-www-form-urlencoded _= matchers: - type: regex name: instart regex: - '(?i)instartrequestid' part: body - type: regex name: perimx regex: - '(?i)access.to.this.page.has.been.denied.because.we.believe.you.are.using.automation.tool' - '(?i)http(s)?://(www.)?perimeterx.\w+.whywasiblocked' - '(?i)perimeterx' - '(?i)(..)?client.perimeterx.*/[a-zA-Z]{8,15}/*.*.js' condition: or part: response - type: regex name: webknight regex: - '(?i)\bwebknight' - '(?i)webknight' condition: or part: response - type: regex name: zscaler regex: - '(?i)zscaler(.\d+(.\d+)?)?' - '(?i)zscaler' condition: or part: response - type: regex name: fortigate regex: - '(?i).>powered.by.fortinet<.' - '(?i).>fortigate.ips.sensor<.' - '(?i)fortigate' - '(?i).fgd_icon' - '(?i)\AFORTIWAFSID=' - '(?i)application.blocked.' - '(?i).fortiGate.application.control' - '(?i)(http(s)?)?://\w+.fortinet(.\w+:)?' - '(?i)fortigate.hostname' - '(?i)the.page.cannot.be.displayed..please.contact.[^@]+@[^@]+\.[^@]+.for.additional.information' condition: or part: response - type: regex name: teros regex: - '(?i)st8(id|.wa|.wf)?.?(\d+|\w+)?' condition: or part: response - type: regex name: stricthttp regex: - '(?i)the.request.was.rejected.because.the.url.contained.a.potentially.malicious.string' condition: or part: response - type: regex name: stricthttp regex: - '(?i)rejected.by.url.scan' - '(?i)/rejected.by.url.scan' condition: or part: response - type: regex name: shadowd regex: - '(?i)\d{3}.forbidden<.h\d>' - '(?i)request.forbidden.by.administrative.rules.' condition: or part: response - type: regex name: bigip regex: - '(?i)\ATS\w{4,}=' - '(?i)bigipserver(.i)?|bigipserverinternal' - '(?i)^TS[a-zA-Z0-9]{3,8}=' - '(?i)BigIP|BIG-IP|BIGIP' - '(?i)bigipserver' condition: or part: response - type: regex name: edgecast regex: - '(?i)\Aecdf' condition: or part: response - type: regex name: radware regex: - '(?i).\bcloudwebsec.radware.com\b.' - '(?i).>unauthorized.activity.has.been.detected<.' - '(?i)with.the.following.case.number.in.its.subject:.\d+.' condition: or part: response - type: regex name: varnish regex: - '(?i)varnish' - '(?i).>.?security.by.cachewall.?<.' - '(?i)cachewall' - '(?i).>access.is.blocked.according.to.our.site.security.policy.<+' condition: or part: response - type: regex name: infosafe regex: - '(?i)infosafe' - '(?i)by.(http(s)?(.//)?)?7i24.(com|net)' - '(?i)infosafe.\d.\d' - '(?i)var.infosafekey=' condition: or part: response - type: regex name: aliyundun regex: - '(?i)error(s)?.aliyun(dun)?.(com|net)' - '(?i)http(s)?://(www.)?aliyun.(com|net)' condition: or part: response - type: regex name: ats regex: - '(?i)(\()?apachetrafficserver((\/)?\d+(.\d+(.\d+)?)?)' - '(?i)ats((\/)?(\d+(.\d+(.\d+)?)?))?' condition: or part: response - type: regex name: malcare regex: - '(?i)malcare' - '(?i).>login.protection<.+.><.+>powered.by<.+.>(<.+.>)?(.?malcare.-.pro|blogvault)?' - '(?i).>firewall<.+.><.+>powered.by<.+.>(<.+.>)?(.?malcare.-.pro|blogvault)?' condition: or part: response - type: regex name: wts regex: - '(?i)()?wts.wa(f)?(\w+(\w+(\w+)?)?)?' part: response - type: regex name: dw regex: - '(?i)dw.inj.check' part: response - type: regex name: denyall regex: - '(?i)\Acondition.intercepted' - '(?i)\Asessioncookie=' condition: or part: response - type: regex name: yunsuo regex: - '(?i)<img.class=.yunsuologo.' - '(?i)yunsuo.session' condition: or part: response - type: regex name: litespeed regex: - '(?i)litespeed.web.server' part: response - type: regex name: cloudfront regex: - '(?i)[a-zA-Z0-9]{,60}.cloudfront.net' - '(?i)cloudfront' - '(?i)x.amz.cf.id|nguardx' condition: or part: response - type: regex name: anyu regex: - '(?i)sorry.{1,2}your.access.has.been.intercept(ed)?.by.anyu' - '(?i)anyu' - '(?i)anyu-?.the.green.channel' condition: or part: response - type: regex name: googlewebservices regex: - '(?i)your.client.has.issued.a.malformed.or.illegal.request' - '(?i)our.systems.have.detected.unusual.traffic' - '(?i)block(ed)?.by.g.cloud.security.policy.+' condition: or part: response - type: regex name: didiyun regex: - '(?i)(http(s)?://)(sec-waf.|www.)?didi(static|yun)?.com(/static/cloudwafstatic)?' - '(?i)didiyun' condition: or part: response - type: regex name: blockdos regex: - '(?i)blockdos\.net' part: response - type: regex name: codeigniter regex: - '(?i)the.uri.you.submitted.has.disallowed.characters' part: response - type: regex name: stingray regex: - '(?i)\AX-Mapping-' part: response - type: regex name: west263 regex: - '(?i)wt\d*cdn' part: response - type: regex name: aws regex: - '(?i)<RequestId>[0-9a-zA-Z]{16,25}<.RequestId>' - '(?i)<Error><Code>AccessDenied<.Code>' - '(?i)x.amz.id.\d+' - '(?i)x.amz.request.id' condition: or part: response - type: regex name: yundun regex: - '(?i)YUNDUN' - '(?i)^yd.cookie=' - '(?i)http(s)?.//(www\.)?(\w+.)?yundun(.com)?' - '(?i)<title>.403.forbidden:.access.is.denied.{0,2}<.{0,2}title>' condition: or part: response - type: regex name: barracuda regex: - '(?i)\Abarra.counter.session=?' - '(?i)(\A|\b)?barracuda.' - '(?i)barracuda.networks.{1,2}inc' condition: or part: response - type: regex name: dodenterpriseprotection regex: - '(?i)dod.enterprise.level.protection.system' part: response - type: regex name: secupress regex: - '(?i)<h\d*>secupress<.' - '(?i)block.id.{1,2}bad.url.contents.<.' condition: or part: response - type: regex name: aesecure regex: - '(?i)aesecure.denied.png' part: response - type: regex name: incapsula regex: - '(?i)incap_ses|visid_incap' - '(?i)incapsula' - '(?i)incapsula.incident.id' condition: or part: response - type: regex name: nexusguard regex: - '(?i)nexus.?guard' - '(?i)((http(s)?://)?speresources.)?nexusguard.com.wafpage' condition: or part: response - type: regex name: cloudflare regex: - '(?i)cloudflare.ray.id.|var.cloudflare.' - '(?i)cloudflare.nginx' - '(?i)..cfduid=([a-z0-9]{43})?' - '(?i)cf[-|_]ray(..)?([0-9a-f]{16})?[-|_]?(dfw|iad)?' - '(?i).>attention.required!.\|.cloudflare<.+' - '(?i)http(s)?.//report.(uri.)?cloudflare.com(/cdn.cgi(.beacon/expect.ct)?)?' - '(?i)ray.id' - '(?i)__cfduid' condition: or part: response - type: regex name: akamai regex: - '(?i).>access.denied<.' - '(?i)akamaighost' - '(?i)ak.bmsc.' condition: or part: response - type: regex name: webseal regex: - '(?i)webseal.error.message.template' - '(?i)webseal.server.received.an.invalid.http.request' condition: or part: response - type: regex name: dotdefender regex: - '(?i)dotdefender.blocked.your.request' part: response - type: regex name: pk regex: - '(?i).>pkSecurityModule\W..\WSecurity.Alert<.' - '(?i).http(s)?.//([w]{3})?.kitnetwork.\w' - '(?i).>A.safety.critical.request.was.discovered.and.blocked.<.' condition: or part: response - type: regex name: expressionengine regex: - '(?i).>error.-.expressionengine<.' - '(?i).>:.the.uri.you.submitted.has.disallowed.characters.<.' - '(?i)invalid.(get|post).data' condition: or part: response - type: regex name: comodo regex: - '(?i)protected.by.comodo.waf' part: response - type: regex name: ciscoacexml regex: - '(?i)ace.xml.gateway' part: response - type: regex name: barikode regex: - '(?i).>barikode<.' - '(?i)<h\d{1}>forbidden.access<.h\d{1}>' condition: or part: response - type: regex name: watchguard regex: - '(?i)(request.denied.by.)?watchguard.firewall' - '(?i)watchguard(.technologies(.inc)?)?' condition: or part: response - type: regex name: binarysec regex: - '(?i)x.binarysec.via' - '(?i)x.binarysec.nocache' - '(?i)binarysec' condition: or part: response - type: regex name: bekchy regex: - '(?i)bekchy.(-.)?access.denied' - '(?i)(http(s)?://)(www.)?bekchy.com(/report)?' condition: or part: response - type: regex name: bitninja regex: - '(?i)bitninja' - '(?i)security.check.by.bitninja' - '(?i).>visitor.anti(\S)?robot.validation<.' condition: or part: response - type: regex name: apachegeneric regex: - '(?i)apache' - '(?i).>you.don.t.have.permission.to.access+' - '(?i)was.not.found.on.this.server' - '(?i)<address>apache/([\d+{1,2}](.[\d+]{1,2}(.[\d+]{1,3})?)?)?' - '(?i)<title>403 Forbidden' condition: or part: response - type: regex name: greywizard regex: - '(?i)greywizard(.\d.\d(.\d)?)?' - '(?i)grey.wizard.block' - '(?i)(http(s)?.//)?(\w+.)?greywizard.com' - '(?i)grey.wizard' condition: or part: response - type: regex name: configserver regex: - '(?i).>the.firewall.on.this.server.is.blocking.your.connection.<+' part: response - type: regex name: viettel regex: - '(?i)access.denied(...)?viettel.waf' - '(?i)viettel.waf.system' - '(?i)(http(s).//)?cloudrity.com(.vn)?' condition: or part: response - type: regex name: safedog regex: - '(?i)(http(s)?)?(://)?(www|404|bbs|\w+)?.safedog.\w' - '(?i)waf(.?\d+.?\d+)' condition: or part: response - type: regex name: baidu regex: - '(?i)yunjiasu.nginx' part: response - type: regex name: alertlogic regex: - '(?i).>requested.url.cannot.be.found<.' - '(?i)proceed.to.homepage' - '(?i)back.to.previous.page' - "(?i)we('re|.are)?sorry.{1,2}but.the.page.you.are.looking.for.cannot" - '(?i)reference.id.?' - '(?i)page.has.either.been.removed.{1,2}renamed' condition: or part: response - type: regex name: armor regex: - '(?i)blocked.by.website.protection.from.armour' part: response - type: regex name: dosarrest regex: - '(?i)dosarrest' - '(?i)x.dis.request.id' condition: or part: response - type: regex name: paloalto regex: - 'has.been.blocked.in.accordance.with.company.policy' - '.>Virus.Spyware.Download.Blocked<.' condition: or part: response - type: regex name: aspgeneric regex: - '(?i)this.generic.403.error.means.that.the.authenticated' - '(?i)request.could.not.be.understood' - '(?i)<.+>a.potentially.dangerous.request(.querystring)?.+' - '(?i)runtime.error' - '(?i).>a.potentially.dangerous.request.path.value.was.detected.from.the.client+' - '(?i)asp.net.sessionid' - '(?i)errordocument.to.handle.the.request' - '(?i)an.application.error.occurred.on.the.server' - '(?i)error.log.record.number' - '(?i)error.page.might.contain.sensitive.information' - "(?i)<.+>server.error.in.'/'.application.+" - '(?i)\basp.net\b' condition: or part: response - type: regex name: powerful regex: - '(?i)Powerful Firewall' - '(?i)http(s)?...tiny.cc.powerful.firewall' condition: or part: response - type: regex name: uewaf regex: - '(?i)http(s)?.//ucloud' - '(?i)uewaf(.deny.pages)' condition: or part: response - type: regex name: janusec regex: - '(?i)janusec' - '(?i)(http(s)?\W+(www.)?)?janusec.(com|net|org)' condition: or part: response - type: regex name: siteguard regex: - '(?i)>Powered.by.SiteGuard.Lite<' - '(?i)refuse.to.browse' condition: or part: response - type: regex name: sonicwall regex: - '(?i)This.request.is.blocked.by.the.SonicWALL' - '(?i)Dell.SonicWALL' - '(?i)\bDell\b' - '(?i)Web.Site.Blocked.+\bnsa.banner' - '(?i)SonicWALL' - '(?i).>policy.this.site.is.blocked<.' condition: or part: response - type: regex name: jiasule regex: - '(?i)^jsl(_)?tracking' - '(?i)(__)?jsluid(=)?' - '(?i)notice.jiasule' - '(?i)(static|www|dynamic).jiasule.(com|net)' condition: or part: response - type: regex name: nginxgeneric regex: - '(?i)nginx' - '(?i)you.do(not|n.t)?.have.permission.to.access.this.document' condition: or part: response - type: regex name: stackpath regex: - '(?i)action.that.triggered.the.service.and.blocked' - '(?i)

sorry,.you.have.been.blocked.?<.h2>' condition: or part: response - type: regex name: sabre regex: - '(?i)dxsupport@sabre.com' part: response - type: regex name: wordfence regex: - '(?i)generated.by.wordfence' - '(?i)your.access.to.this.site.has.been.limited' - '(?i).>wordfence<.' condition: or part: response - type: regex name: '360' regex: - '(?i).wzws.waf.cgi.' - '(?i)wangzhan\.360\.cn' - '(?i)qianxin.waf' - '(?i)360wzws' - '(?i)transfer.is.blocked' condition: or part: response - type: regex name: asm regex: - '(?i)the.requested.url.was.rejected..please.consult.with.your.administrator.' condition: or part: response - type: regex name: rsfirewall regex: - '(?i)com.rsfirewall.403.forbidden' - '(?i)com.rsfirewall.event' - '(?i)(\b)?rsfirewall(\b)?' - '(?i)rsfirewall' condition: or part: response - type: regex name: sucuri regex: - '(?i)access.denied.-.sucuri.website.firewall' - '(?i)sucuri.webSite.firewall.-.cloudProxy.-.access.denied' - '(?i)questions\?.+cloudproxy@sucuri\.net' - '(?i)http(s)?.\/\/(cdn|supportx.)?sucuri(.net|com)?' condition: or part: response - type: regex name: airlock regex: - '(?i)\Aal[.-]?(sess|lb)=?' part: response - type: regex name: xuanwudun regex: - '(?i)class=.(db)?waf.?(-row.)?>' part: response - type: regex name: chuangyudun regex: - '(?i)(http(s)?.//(www.)?)?365cyd.(com|net)' part: response - type: regex name: securesphere regex: - '(?i)

error<.h2>' - '(?i)error<.title>' - '(?i)<b>error<.b>' - '(?i)<td.class="(errormessage|error)".height="[0-9]{1,3}".width="[0-9]{1,3}">' - '(?i)the.incident.id.(is|number.is).' - '(?i)page.cannot.be.displayed' - '(?i)contact.support.for.additional.information' condition: or part: response - type: regex name: anquanbao regex: - '(?i).aqb_cc.error.' part: response - type: regex name: modsecurity regex: - '(?i)ModSecurity|NYOB' - '(?i)mod_security' - '(?i)this.error.was.generated.by.mod.security' - '(?i)web.server at' - '(?i)page.you.are.(accessing|trying)?.(to|is)?.(access)?.(is|to)?.(restricted)?' - '(?i)blocked.by.mod.security' condition: or part: response - type: regex name: modsecurityowasp regex: - '(?i)not.acceptable' - '(?i)additionally\S.a.406.not.acceptable' condition: or part: response - type: regex name: squid regex: - '(?i)squid' - '(?i)Access control configuration prevents' - '(?i)X.Squid.Error' condition: or part: response - type: regex name: shieldsecurity regex: - '(?i)blocked.by.the.shield' - '(?i)transgression(\(s\))?.against.this' - '(?i)url.{1,2}form.or.cookie.data.wasn.t.appropriate' condition: or part: response - type: regex name: wallarm regex: - '(?i)nginix.wallarm' part: response - type: regex part: response name: huaweicloud condition: and regex: - '(?)content="CloudWAF"' - 'Server: CloudWAF' - 'Set-Cookie: HWWAFSESID=' # Enhanced by mp on 2022/03/21