S0537: HyperStack
HyperStack is a RPC-based backdoor used by Turla since at least 2018. HyperStack has similarities to other backdoors used by Turla including Carbon.[1]
Security context for executives and security teams
S0537: HyperStack describes [HyperStack](https://attack.mitre.org/software/S0537) is a RPC-based backdoor used by [Turla](https://attack.mitre.org/groups/G0010) since at least 2018. [HyperStack](https://attack.mitre.org/software/S0537) has similarities to other backdoors used by [Turla](https://attack.mitre.org/groups/G0010) including [Carbon](https://attack.mitre.org/software/S0335).(Citation: Accenture HyperStack October 2020)
Executive priority
S0537: HyperStack 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 S0537: HyperStack 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 S0537: HyperStack 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.
HyperStack
HyperStack is a RPC-based backdoor used by Turla since at least 2018. HyperStack has similarities to other backdoors used by Turla including Carbon.[1]
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.
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.
| Domain | ID | Name | Relationship / procedure |
|---|---|---|---|
| Enterprise | T1078.001 | Default AccountsSub-technique | HyperStack can use default credentials to connect to IPC$ shares on remote machines.[1] |
| Enterprise | T1106 | Native API | HyperStack can use Windows API's |
| Enterprise | T1559 | Inter-Process Communication | HyperStack can connect to the IPC$ share on remote machines.[1] |
| Enterprise | T1112 | Modify Registry | HyperStack can add the name of its communication pipe to |
| Enterprise | T1573.001 | Symmetric CryptographySub-technique | HyperStack has used RSA encryption for C2 communications.[1] |
| Enterprise | T1087.001 | Local AccountSub-technique | HyperStack can enumerate all account names on a remote share.[1] |
Groups, software, and campaigns
G0010: Turla
Turla is a cyber espionage threat group that has been attributed to Russia's Federal Security Service (FSB). They have compromised victims in over 50 countries since at least 2004, spanning a range of industries including government, embassies, military, education, research and pharmaceutical companies. Turla is known for conducting watering hole and spearphishing campaigns, and leveraging in-house tools and malware, such as Uroburos.[1][2][3][4][5]
All related ATT&CK context
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.
Imported snapshots across ATT&CK releases(2)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.2 | 1.0 | Current bundle | 8f362253e261… | ||
| 19.1 | 1.0 | Older bundle | 8f362253e261… |
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.
External references and citations
MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.
- [1]Accenture HyperStack October 2020
Accenture. (2020, October). Turla uses HyperStack, Carbon, and Kazuar to compromise government entity. Retrieved December 2, 2020.
Open source URL - [2]mitre-attackS0537Open source URL
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.