CAPEC-655 Avoid Security Tool Identification by Adding Data

CAPEC ID: 655

CAPEC-655 Metadata

Likelihood of Attack

High

Typical Severity

High

Overview

Summary

An adversary adds data to a file to increase the file size beyond what security tools are capable of handling in an attempt to mask their actions. In addition to this, adding data to a file also changes the file's hash, frustrating security tools that look for known bad files by their hash.

Prerequisites

No prerequisites listed.

Potential Solutions / Mitigations

No specific solutions listed.

Related CAPECs

CAPEC ID Description
CAPEC-572 An adversary modifies file contents by adding data to files for several reasons. Many different attacks could “follow” this pattern resulting in numerous outcomes. Adding data to a file could also result in a Denial of Service condition for devices with limited storage capacity.

Taxonomy Mappings

Taxonomy: ATTACK

Entry ID Entry Name
1027.001 Obfuscated Files or Information:Binary padding

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