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MITRE ATT&CK® Technique

T1685.003: Modify or Spoof Tool UI

Adversaries may spoof or manipulate security tool user interfaces (UIs) to falsely indicate tools are functioning normally and delay detection and response.

Adversaries may present misleading or falsified security tool interfaces (UIs) that display normal or healthy status indicators, even when underlying security tools have been disabled, degraded, or otherwise tampered with. Security tools typically provide visibility into system health, alerting, and operational status; by misrepresenting this information, adversaries can undermine defender trust in these signals and obscure the true security posture of the system.

This behavior is often used in conjunction with efforts to disable or modify tools, where adversaries first impair the functionality of defenses (e.g., EDR, logging agents) and then replace or mimic their interfaces to conceal the loss of visibility. By maintaining the appearance of normal operations, such as showing active protection, successful updates, or absence of threats, adversaries can delay investigation and response, enabling continued malicious activity.

For example, adversaries may display a fake Windows Security interface or system tray icon indicating a “protected” or “healthy” state after disabling Windows Defender or related services.[1]

EnterpriseT1685.003Sub-techniqueObject v1.0Modified
Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceMedium

T1685.003: Modify or Spoof Tool UI describes Adversaries may spoof or manipulate security tool user interfaces (UIs) to falsely indicate tools are functioning normally and delay detection and response. Adversaries may present misleading or falsified security tool interfaces (UIs) that display normal or healthy status indicators, even when underlying security tools have been disabled, degraded, or otherwise tampered with. Security tools typically provide visibility into system health, alerting, and operational status; by misrepresenting this information, adver...

Executive priority

T1685.003: Modify or Spoof Tool UI is an official MITRE ATT&CK technique. Glexia treats it as defensive behavior context for prioritizing monitoring, control validation, and response planning without using the object by itself as an attribution claim.

Technical view

Security teams should validate T1685.003: Modify or Spoof Tool UI by reviewing the official ATT&CK relationships, mapped tactics (defense-impairment), supported platforms (Linux, macOS, Windows), and available local telemetry before making detection or mitigation decisions.

Likely telemetry

  • Official ATT&CK relationships and object metadata
  • Identity, privilege, and authentication events
  • Network, endpoint, and security-tool telemetry

Detection direction

  • Validate whether T1685.003: Modify or Spoof Tool UI appears in your detection coverage and tabletop scenarios.
  • Use the object to align executive risk language with SOC, incident response, and detection engineering work.
  • Do not treat ATT&CK relationship context as attribution without corroborating evidence.

Mitigation priorities

  • Map the object to existing controls and identify missing telemetry or response ownership.
  • Prioritize mitigations that reduce exposure on the listed platforms and tactics.
  • Review adjacent ATT&CK relationships before changing policy, detections, or reporting language.
Additional notes and limits

Baseline Glexia take generated from the official MITRE ATT&CK STIX object, source hash, tactics, platforms, and detection fields. It is safe to replace with a richer model-generated take for the same source hash later.

This baseline take is source-grounded and schema-validated, but it does not include environment-specific telemetry, incident evidence, or threat-intelligence corroboration.

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Official MITRE ATT&CK definition

Modify or Spoof Tool UI

Adversaries may spoof or manipulate security tool user interfaces (UIs) to falsely indicate tools are functioning normally and delay detection and response.

Adversaries may present misleading or falsified security tool interfaces (UIs) that display normal or healthy status indicators, even when underlying security tools have been disabled, degraded, or otherwise tampered with. Security tools typically provide visibility into system health, alerting, and operational status; by misrepresenting this information, adversaries can undermine defender trust in these signals and obscure the true security posture of the system.

This behavior is often used in conjunction with efforts to disable or modify tools, where adversaries first impair the functionality of defenses (e.g., EDR, logging agents) and then replace or mimic their interfaces to conceal the loss of visibility. By maintaining the appearance of normal operations, such as showing active protection, successful updates, or absence of threats, adversaries can delay investigation and response, enabling continued malicious activity.

For example, adversaries may display a fake Windows Security interface or system tray icon indicating a “protected” or “healthy” state after disabling Windows Defender or related services.[1]

View the same entry on attack.mitre.org (MITRE-hosted reference; in-page links above use the Glexia ATT&CK library.)

Glexia analysis

How security teams should use this page

Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.

ATT&CK relationship table

Related techniques

This mirrors the MITRE pattern of making group, software, campaign, and technique relationships scannable. Relationship notes come from mirrored ATT&CK relationship text when available.

2 rows
DomainIDNameRelationship / procedure
EnterpriseT1685Disable or Modify ToolsThis object subtechnique of Disable or Modify Tools.
EnterpriseT1562.011Spoof Security AlertingSub-techniqueSpoof Security Alerting revoked by this object.
Associated objects

Groups, software, and campaigns

MalwareEnterprise

S9014: PHASEJAM

PHASEJAM is a dropper written as a bash shell script that modifies Ivanti Connect Secure appliance components. PHASEJAM was first reported in January 2025. PHASEJAM has previously been leveraged by People's Republic of China (PRC)- affiliated actors identified as UNC5221 and SYLVANITE.[1][2]

LinuxNetwork Devices
Relationship explorer

All related ATT&CK context

Mitigations

Mitigation direction

Change history

Object version and sync metadata

The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates.

ATT&CK release
19.2
Object version
1.0
Created
Modified
Raw hash
279f8e2f5bfc573d...
Imported snapshots across ATT&CK releases(2)
ReleaseBundle importedObject versionModifiedStatusRaw hash
19.21.0Current bundle279f8e2f5bfc…
19.11.0Older bundle279f8e2f5bfc…
Raw source

Mirrored ATT&CK source object

The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.

Source references

External references and citations

MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.

  1. [1]
    BlackBasta

    Antonio Cocomazzi and Antonio Pirozzi. (2022, November 3). Black Basta Ransomware | Attacks Deploy Custom EDR Evasion Tools Tied to FIN7 Threat Actor. Retrieved March 14, 2023.

    Open source URL
  2. [2]
    mitre-attackT1685.003
    Open source URL
Source and licensing

Source: MITRE ATT&CK®. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation. Glexia is not affiliated with or endorsed by MITRE.