隐匿的艺术：网络犯罪分子如何变得匿名并保持匿名.pdf

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1、The art of concealment:How cybercriminals are becoming and remaining anonymousImage byHansuan Fabregas on PixabayConcealmentis theact of hidingsomething3The roleof concealmentwithrespect tocybercrimeCybercrimeCybercriminalsConcealmentConcealingwhat?4Apply stealthThe actAmnesic OSForensictracesDestro

2、y hardwarePhysicalevidenceRemain silentMotiveor connectionUse aliasOffendersidentityCryptomixersFinancial trailsOperationalSecurity(OpSec)6Anonymity vs privacyQilinransomware groupleaksite7Darkforums posts89SomeexampleOpSec guides10Exampleanalysis withATLAS.ti1.387 TTPs13 tactics109 techniques679 su

3、b-techniques586 procedures11Concealment Layers for Online Anonymity and Knowledge12How concealmentmeasuresare relatedProceduresSub-techniquesTechniquesTacticsuBlock OriginAd blockingAnti-fingerprintingAnonymous browsingQubesOSApplication isolationIsolationReduce attack surfaceWhonix OSColor VMsAvoid

4、 cross-contaminationSecure behaviorVeraCryptDecoy partitionDeceptionSecure behaviorLinux Unified Key Setup(LUKS)Detached LUKS headerAnti-forensicsPlausible deniabilityO1314ContinuousimprovementPlan(Self)educationRisk managementPlanPurgeExperimentDoEngagein cybercrimeCheckOSINTDoxingActDisinformation

5、Adapt TTPsConcealedtechnicalsetups16TypicalOpSec workstationHost OSPublic Wi-FiInternetVirtualBoxIsolatedWhonixOSTor networkWhonixGateway VMCash paid VPN over Tor17Hosting a resilientdarkwebsiteWeb Application Firewall(WAF)Reversedproxy 1Reversedproxy 2VPNBackendFiltering/monitoringHideIP-addressHid

6、eIP-addressEncrypted channelHost illicitactivitiesOnlyallowconnectionsfrom previousnodeMost important TTPs19From a technical perspectiveFroma behavioralperspective2021Froma physicalperspective22Froma operationalperspectiveCLOAK in perspectiveMITRE ATT&CK24Scre