Thread Local Storage - T1055.005

(ATT&CK® Technique)

Definition

Adversaries may inject malicious code into processes via thread local storage (TLS) callbacks in order to evade process-based defenses as well as possibly elevate privileges. TLS callback injection is a method of executing arbitrary code in the address space of a separate live process.

D3FEND Inferred Relationships

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

        graph LR;

     T1055005["Thread Local Storage"] --> |invokes| SystemCall["System Call"]; class T1055005 OffensiveTechniqueNode;
        class SystemCall ArtifactNode; click SystemCall href "/dao/artifact/d3f:SystemCall";
        click T1055005 href "/offensive-technique/attack/T1055.005/"; click SystemCall href "/dao/artifact/d3f:SystemCall";             SystemCallAnalysis["System Call Analysis"] -->
          | analyzes | SystemCall["System Call"];

          SystemCallAnalysis["System Call Analysis"] -.->
            | May Detect | T1055005["Thread Local Storage"] ;
          class SystemCallAnalysis DefensiveTechniqueNode;
          class SystemCall ArtifactNode;
          click SystemCallAnalysis href "/technique/d3f:SystemCallAnalysis"; SystemCallFiltering["System Call Filtering"] -->
          | filters | SystemCall["System Call"];

          SystemCallFiltering["System Call Filtering"] -.->
            | May Isolate | T1055005["Thread Local Storage"] ;
          class SystemCallFiltering DefensiveTechniqueNode;
          class SystemCall ArtifactNode;
          click SystemCallFiltering href "/technique/d3f:SystemCallFiltering";

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