Home > CAPEC List > CAPEC-168: Windows ::DATA Alternate Data Stream (Version 3.9)

CAPEC-168: Windows ::DATA Alternate Data Stream

Attack Pattern ID: 168
Abstraction: Detailed
View customized information:
Description
An attacker exploits the functionality of Microsoft NTFS Alternate Data Streams (ADS) to undermine system security. ADS allows multiple "files" to be stored in one directory entry referenced as filename:streamname. One or more alternate data streams may be stored in any file or directory. Normal Microsoft utilities do not show the presence of an ADS stream attached to a file. The additional space for the ADS is not recorded in the displayed file size. The additional space for ADS is accounted for in the used space on the volume. An ADS can be any type of file. ADS are copied by standard Microsoft utilities between NTFS volumes. ADS can be used by an attacker or intruder to hide tools, scripts, and data from detection by normal system utilities. Many anti-virus programs do not check for or scan ADS. Windows Vista does have a switch (-R) on the command line DIR command that will display alternate streams.
Typical Severity

Medium

Relationships
Section HelpThis table shows the other attack patterns and high level categories that are related to this attack pattern. These relationships are defined as ChildOf and ParentOf, and give insight to similar items that may exist at higher and lower levels of abstraction. In addition, relationships such as CanFollow, PeerOf, and CanAlsoBe are defined to show similar attack patterns that the user may want to explore.
NatureTypeIDName
ChildOfStandard Attack PatternStandard Attack Pattern - A standard level attack pattern in CAPEC is focused on a specific methodology or technique used in an attack. It is often seen as a singular piece of a fully executed attack. A standard attack pattern is meant to provide sufficient details to understand the specific technique and how it attempts to accomplish a desired goal. A standard level attack pattern is a specific type of a more abstract meta level attack pattern.636Hiding Malicious Data or Code within Files
Section HelpThis table shows the views that this attack pattern belongs to and top level categories within that view.
Prerequisites
The target must be running the Microsoft NTFS file system.
Resources Required
The attacker must have command line or programmatic access to the target's files system with write/read permissions.
Mitigations
Design: Use FAT file systems which do not support Alternate Data Streams.
Implementation: Use Vista dir with the -R switch or utility to find Alternate Data Streams and take appropriate action with those discovered.
Implementation: Use products that are Alternate Data Stream aware for virus scanning and system security operations.
Taxonomy Mappings
Section HelpCAPEC mappings to ATT&CK techniques leverage an inheritance model to streamline and minimize direct CAPEC/ATT&CK mappings. Inheritance of a mapping is indicated by text stating that the parent CAPEC has relevant ATT&CK mappings. Note that the ATT&CK Enterprise Framework does not use an inheritance model as part of the mapping to CAPEC.
Relevant to the ATT&CK taxonomy mapping (see parent)
Relevant to the OWASP taxonomy mapping
Entry Name
Windows alternate data stream
Content History
Submissions
Submission DateSubmitterOrganization
2014年06月23日
(Version 2.6)
CAPEC Content TeamThe MITRE Corporation
Modifications
Modification DateModifierOrganization
2017年08月04日
(Version 2.11)
CAPEC Content TeamThe MITRE Corporation
Updated Resources_Required
2018年07月31日
(Version 2.12)
CAPEC Content TeamThe MITRE Corporation
Updated Related_Attack_Patterns, Resources_Required
2020年12月17日
(Version 3.4)
CAPEC Content TeamThe MITRE Corporation
Updated Taxonomy_Mappings
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Page Last Updated or Reviewed: July 31, 2018

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