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MITRE ATT&CK® Group

G1013: Metador

Metador is a suspected cyber espionage group that was first reported in September 2022. Metador has targeted a limited number of telecommunication companies, internet service providers, and universities in the Middle East and Africa. Security researchers named the group Metador based on the "I am meta" string in one of the group's malware samples and the expectation of Spanish-language responses from C2 servers.[1]

EnterpriseG1013GroupObject v1.1Modified
Glexia's Take · Automated analysis

Security context for executives and security teams

Automation confidenceMedium

G1013: Metador describes [Metador](https://attack.mitre.org/groups/G1013) is a suspected cyber espionage group that was first reported in September 2022. [Metador](https://attack.mitre.org/groups/G1013) has targeted a limited number of telecommunication companies, internet service providers, and universities in the Middle East and Africa. Security researchers named the group [Metador](https://attack.mitre.org/groups/G1013) based on the "I am meta" string in one of the group's malware samples and the expectation of Spanish-language response...

Executive priority

G1013: Metador is an official MITRE ATT&CK group. 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 G1013: Metador by reviewing the official ATT&CK relationships, mapped tactics (the mapped ATT&CK tactic context), supported platforms (the platforms named in the official object), and available local telemetry before making detection or mitigation decisions.

Likely telemetry

  • Official ATT&CK relationships and object metadata

Detection direction

  • Validate whether G1013: Metador 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

Metador

Metador is a suspected cyber espionage group that was first reported in September 2022. Metador has targeted a limited number of telecommunication companies, internet service providers, and universities in the Middle East and Africa. Security researchers named the group Metador based on the "I am meta" string in one of the group's malware samples and the expectation of Spanish-language responses from C2 servers.[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.

9 rows
DomainIDNameRelationship / procedure
EnterpriseT1071.001Web ProtocolsSub-technique

Metador has used HTTP for C2.[1]

EnterpriseT1059.003Windows Command ShellSub-technique

Metador has used the Windows command line to execute commands.[1]

EnterpriseT1588.001MalwareSub-technique

Metador has used unique malware in their operations, including metaMain and Mafalda.[1]

EnterpriseT1546.003Windows Management Instrumentation Event SubscriptionSub-technique

Metador has established persistence through the use of a WMI event subscription combined with unusual living-off-the-land binaries such as `cdb.exe`.[1]

EnterpriseT1027.013Encrypted/Encoded FileSub-technique

Metador has encrypted their payloads.[1]

EnterpriseT1070.004File DeletionSub-technique

Metador has quickly deleted `cbd.exe` from a compromised host following the successful deployment of their malware.[1]

EnterpriseT1095Non-Application Layer Protocol

Metador has used TCP for C2.[1]

EnterpriseT1588.002ToolSub-technique

Metador has used Microsoft's Console Debugger in some of their operations.[1]

EnterpriseT1105Ingress Tool Transfer

Metador has downloaded tools and malware onto a compromised system.[1]

Associated objects

Groups, software, and campaigns

MalwareEnterprise

S1060: Mafalda

Mafalda is a flexible interactive implant that has been used by Metador. Security researchers assess the Mafalda name may be inspired by an Argentinian cartoon character that has been popular as a means of political commentary since the 1960s. [1]

Windows
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
bda31c616897ec79...
Imported snapshots across ATT&CK releases(2)
ReleaseBundle importedObject versionModifiedStatusRaw hash
19.21.1Current bundlebda31c616897…
19.11.1Older bundle6a29fda4f8a5…
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]
    SentinelLabs Metador Sept 2022

    Ehrlich, A., et al. (2022, September). THE MYSTERY OF METADOR | AN UNATTRIBUTED THREAT HIDING IN TELCOS, ISPS, AND UNIVERSITIES. Retrieved January 23, 2023.

    Open source URL
  2. [2]
    mitre-attackG1013
    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.