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Content Modification
Definition
Modify content that does not comply with policy.
How it works
When content is found to not comply with it's content policy, it may be transformed to a safer state by modifying it.
Artifact Relationships:
This defensive technique is related to specific artifacts. Click the artifact node for more information.
Technique Subclasses
There are 5 techniques in this category, Content Modification.
| Name | ID | Definition | Synonyms |
|---|---|---|---|
| Content Modification | D3-CM | Modify content that does not comply with policy. | |
| - Content Rebuild | D3-CNR | Rebuild the file according to the spec so any unreferenced components or objects are removed. | Content Reconstruction |
| - Content Format Conversion | D3-CFC | Content format conversion is mechanical transformation from one format to another which may be normalization or specifically flattening. | |
| - Content Excision | D3-CNE | Removing specific, potentially malicious, parts of content | |
| - Content Substitution | D3-CNS | Modifies specific digital content information by replacing it with something else. |
Related Offensive Techniques:
These mappings are inferred, experimental, and will improve as the
knowledge graph grows.
These offensive techniques are determined related because of the way this defensive technique,, , , and .
Persistence
Modify Authentication Process
Office Application Startup
Event Triggered Execution
Boot or Logon Autostart Execution
Create or Modify System Process
Scheduled Task/Job
Boot or Logon Initialization Scripts
Server Software Component
Discovery
System Network Configuration Discovery
System Owner/User Discovery
Remote System Discovery
File and Directory Discovery
Execution
Command and Scripting Interpreter
Hijack Execution Flow
Scheduled Task/Job
Trusted Developer Utilities Proxy Execution
User Execution
Software Deployment Tools
Stealth
XSL Script Processing
Process Injection
System Binary Proxy Execution
Hijack Execution Flow
Rootkit
Masquerading
Obfuscated Files or Information
Hide Artifacts
Impair Defenses
Indicator Removal
Trusted Developer Utilities Proxy Execution
Deobfuscate/Decode Files or Information
Privilege Escalation
Event Triggered Execution
Process Injection
Boot or Logon Autostart Execution
Create or Modify System Process
Scheduled Task/Job
Boot or Logon Initialization Scripts
Abuse Elevation Control Mechanism
Credential Access
Modify Authentication Process
Credentials from Password Stores
OS Credential Dumping
Forced Authentication
Unsecured Credentials
Steal or Forge Authentication Certificates
Defense Impairment
Modify Authentication Process
Collection
Archive Collected Data
Data from Local System
Email Collection
Automated Collection
Data Staged
Command and Control
Encrypted Channel
Application Layer Protocol
Exfiltration
Exfiltration Over C2 Channel
Exfiltration Over Alternative Protocol
Lateral Movement
Internal Spearphishing
Software Deployment Tools
References
All
Patent
The following references were used to develop the Content Modification knowledge-base article.
(Note: the consideration of references does not imply specific functionality exists in an offering.)
Method For Content Disarm and Reconstruction
Reference Type: Patent Organization: OPSWAT, Inc. Author: Taeil Goh, Vinh Nguyen Xuan Lam, Nhut Minh Ngo, Dung Huu Nguyen