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Web Service - T1102

(ATT&CK® Technique)

Subtechniques

Definition

Adversaries may use an existing, legitimate external Web service as a means for relaying data to/from a compromised system. Popular websites and social media acting as a mechanism for C2 may give a significant amount of cover due to the likelihood that hosts within a network are already communicating with them prior to a compromise. Using common services, such as those offered by Google or Twitter, makes it easier for adversaries to hide in expected noise. Web service providers commonly use SSL/TLS encryption, giving adversaries an added level of protection.

D3FEND Inferred Relationships

Browse the D3FEND knowledge graph by clicking on the nodes below.

        graph LR;

     T1102["Web Service"] --> |produces| OutboundInternetWebTraffic["Outbound Internet Web Traffic"]; class T1102 OffensiveTechniqueNode;
        class OutboundInternetWebTraffic ArtifactNode; click OutboundInternetWebTraffic href "/dao/artifact/d3f:OutboundInternetWebTraffic";
        click T1102 href "/offensive-technique/attack/T1102/"; click OutboundInternetWebTraffic href "/dao/artifact/d3f:OutboundInternetWebTraffic";             NetworkTrafficCommunityDeviation["Network Traffic Community Deviation"] -->
          | analyzes | OutboundInternetWebTraffic["Outbound Internet Web Traffic"];

          NetworkTrafficCommunityDeviation["Network Traffic Community Deviation"] -.->
            | may-detect | T1102["Web Service"] ;
          class NetworkTrafficCommunityDeviation DefensiveTechniqueNode;
          class OutboundInternetWebTraffic ArtifactNode;
          click NetworkTrafficCommunityDeviation href "/technique/d3f:NetworkTrafficCommunityDeviation"; PerHostDownload-UploadRatioAnalysis["Per Host Download-Upload Ratio Analysis"] -->
          | analyzes | OutboundInternetWebTraffic["Outbound Internet Web Traffic"];

          PerHostDownload-UploadRatioAnalysis["Per Host Download-Upload Ratio Analysis"] -.->
            | may-detect | T1102["Web Service"] ;
          class PerHostDownload-UploadRatioAnalysis DefensiveTechniqueNode;
          class OutboundInternetWebTraffic ArtifactNode;
          click PerHostDownload-UploadRatioAnalysis href "/technique/d3f:PerHostDownload-UploadRatioAnalysis"; ProtocolMetadataAnomalyDetection["Protocol Metadata Anomaly Detection"] -->
          | analyzes | OutboundInternetWebTraffic["Outbound Internet Web Traffic"];

          ProtocolMetadataAnomalyDetection["Protocol Metadata Anomaly Detection"] -.->
            | may-detect | T1102["Web Service"] ;
          class ProtocolMetadataAnomalyDetection DefensiveTechniqueNode;
          class OutboundInternetWebTraffic ArtifactNode;
          click ProtocolMetadataAnomalyDetection href "/technique/d3f:ProtocolMetadataAnomalyDetection"; Client-serverPayloadProfiling["Client-server Payload Profiling"] -->
          | analyzes | OutboundInternetWebTraffic["Outbound Internet Web Traffic"];

          Client-serverPayloadProfiling["Client-server Payload Profiling"] -.->
            | may-detect | T1102["Web Service"] ;
          class Client-serverPayloadProfiling DefensiveTechniqueNode;
          class OutboundInternetWebTraffic ArtifactNode;
          click Client-serverPayloadProfiling href "/technique/d3f:Client-serverPayloadProfiling"; RelayPatternAnalysis["Relay Pattern Analysis"] -->
          | analyzes | OutboundInternetWebTraffic["Outbound Internet Web Traffic"];

          RelayPatternAnalysis["Relay Pattern Analysis"] -.->
            | may-detect | T1102["Web Service"] ;
          class RelayPatternAnalysis DefensiveTechniqueNode;
          class OutboundInternetWebTraffic ArtifactNode;
          click RelayPatternAnalysis href "/technique/d3f:RelayPatternAnalysis";                                                      RemoteTerminalSessionDetection["Remote Terminal Session Detection"] -->
          | analyzes | OutboundInternetWebTraffic["Outbound Internet Web Traffic"];

          RemoteTerminalSessionDetection["Remote Terminal Session Detection"] -.->
            | may-detect | T1102["Web Service"] ;
          class RemoteTerminalSessionDetection DefensiveTechniqueNode;
          class OutboundInternetWebTraffic ArtifactNode;
          click RemoteTerminalSessionDetection href "/technique/d3f:RemoteTerminalSessionDetection"; NetworkTrafficSignatureAnalysis["Network Traffic Signature Analysis"] -->
          | analyzes | OutboundInternetWebTraffic["Outbound Internet Web Traffic"];

          NetworkTrafficSignatureAnalysis["Network Traffic Signature Analysis"] -.->
            | may-detect | T1102["Web Service"] ;
          class NetworkTrafficSignatureAnalysis DefensiveTechniqueNode;
          class OutboundInternetWebTraffic ArtifactNode;
          click NetworkTrafficSignatureAnalysis href "/technique/d3f:NetworkTrafficSignatureAnalysis";                                       UserGeolocationLogonPatternAnalysis["User Geolocation Logon Pattern Analysis"] -->
          | analyzes | OutboundInternetWebTraffic["Outbound Internet Web Traffic"];

          UserGeolocationLogonPatternAnalysis["User Geolocation Logon Pattern Analysis"] -.->
            | may-detect | T1102["Web Service"] ;
          class UserGeolocationLogonPatternAnalysis DefensiveTechniqueNode;
          class OutboundInternetWebTraffic ArtifactNode;
          click UserGeolocationLogonPatternAnalysis href "/technique/d3f:UserGeolocationLogonPatternAnalysis"; NetworkTrafficFiltering["Network Traffic Filtering"] -->
          | filters | OutboundInternetWebTraffic["Outbound Internet Web Traffic"];

          NetworkTrafficFiltering["Network Traffic Filtering"] -.->
            | may-isolate | T1102["Web Service"] ;
          class NetworkTrafficFiltering DefensiveTechniqueNode;
          class OutboundInternetWebTraffic ArtifactNode;
          click NetworkTrafficFiltering href "/technique/d3f:NetworkTrafficFiltering";                           OutboundTrafficFiltering["Outbound Traffic Filtering"] -->
          | filters | OutboundInternetWebTraffic["Outbound Internet Web Traffic"];

          OutboundTrafficFiltering["Outbound Traffic Filtering"] -.->
            | may-isolate | T1102["Web Service"] ;
          class OutboundTrafficFiltering DefensiveTechniqueNode;
          class OutboundInternetWebTraffic ArtifactNode;
          click OutboundTrafficFiltering href "/technique/d3f:OutboundTrafficFiltering";

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