LiveActive security incident?Get immediate response
MITRE ATT&CK® Malware

S0004: TinyZBot

TinyZBot is a bot written in C# that was developed by Cleaver. [1]

EnterpriseS0004MalwareObject v1.1Modified
Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceMedium

S0004: TinyZBot describes [TinyZBot](https://attack.mitre.org/software/S0004) is a bot written in C# that was developed by [Cleaver](https://attack.mitre.org/groups/G0003). (Citation: Cylance Cleaver)

Executive priority

S0004: TinyZBot is an official MITRE ATT&CK software. 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 S0004: TinyZBot by reviewing the official ATT&CK relationships, mapped tactics (the mapped ATT&CK tactic context), supported platforms (Windows), and available local telemetry before making detection or mitigation decisions.

Likely telemetry

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

Detection direction

  • Validate whether S0004: TinyZBot 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

TinyZBot

TinyZBot is a bot written in C# that was developed by Cleaver. [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

Techniques used

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.

8 rows
DomainIDNameRelationship / procedure
EnterpriseT1685Disable or Modify Tools

TinyZBot can disable Avira anti-virus.[1]

EnterpriseT1115Clipboard Data

TinyZBot contains functionality to collect information from the clipboard.[1]

EnterpriseT1113Screen Capture

TinyZBot contains screen capture functionality.[1]

EnterpriseT1547.009Shortcut ModificationSub-technique

TinyZBot can create a shortcut in the Windows startup folder for persistence.[1]

EnterpriseT1543.003Windows ServiceSub-technique

TinyZBot can install as a Windows service for persistence.[1]

EnterpriseT1547.001Registry Run Keys / Startup FolderSub-technique

TinyZBot can create a shortcut in the Windows startup folder for persistence.[1]

EnterpriseT1056.001KeyloggingSub-technique

TinyZBot contains keylogger functionality.[1]

EnterpriseT1059.003Windows Command ShellSub-technique

TinyZBot supports execution from the command-line.[1]

Associated objects

Groups, software, and campaigns

GroupEnterprise

G0003: Cleaver

Cleaver is a threat group that has been attributed to Iranian actors and is responsible for activity tracked as Operation Cleaver. [1] Strong circumstantial evidence suggests Cleaver is linked to Threat Group 2889 (TG-2889). [2]

Relationship explorer

All related ATT&CK context

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
1.1
Created
Modified
Raw hash
b2a1ab7bf993e474...
Imported snapshots across ATT&CK releases(2)
ReleaseBundle importedObject versionModifiedStatusRaw hash
19.21.1Current bundleb2a1ab7bf993…
19.11.1Older bundleb2a1ab7bf993…
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]
    Cylance Cleaver

    Cylance. (2014, December). Operation Cleaver. Retrieved September 14, 2017.

    Open source URL
  2. [2]
    mitre-attackS0004
    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.