S0699: Mythic
Security context for executives and security teams
S0699: Mythic describes [Mythic](https://attack.mitre.org/software/S0699) is an open source, cross-platform post-exploitation/command and control platform. [Mythic](https://attack.mitre.org/software/S0699) is designed to "plug-n-play" with various agents and communication channels.(Citation: Mythic Github)(Citation: Mythic SpecterOps)(Citation: Mythc Documentation) Deployed [Mythic](https://attack.mitre.org/software/S0699) C2 servers have been observed as part of potentially malicious infrastructure.(Citation: RecordedFuture 2021 Ad Infra...
Executive priority
S0699: Mythic 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 S0699: Mythic by reviewing the official ATT&CK relationships, mapped tactics (the mapped ATT&CK tactic context), supported platforms (Windows, Linux, macOS), 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 S0699: Mythic 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.
Mythic
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 | T1090.002 | External ProxySub-technique | |
| Enterprise | T1071.002 | File Transfer ProtocolsSub-technique | |
| Enterprise | T1573.002 | Asymmetric CryptographySub-technique | |
| Enterprise | T1071.004 | DNSSub-technique | |
| Enterprise | T1071.001 | Web ProtocolsSub-technique | |
| Enterprise | T1132 | Data Encoding | |
| Enterprise | T1090.001 | Internal ProxySub-technique | |
| Enterprise | T1095 | Non-Application Layer Protocol | |
| Enterprise | T1030 | Data Transfer Size Limits | |
| Enterprise | T1119 | Automated Collection | |
| Enterprise | T1572 | Protocol Tunneling | |
| Enterprise | T1090.004 | Domain FrontingSub-technique | |
| Enterprise | T1008 | Fallback Channels |
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 | ceb96df87505… | ||
| 19.1 | 1.0 | Older bundle | ceb96df87505… |
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]Mythic Github
Thomas, C. (2018, July 4). Mythic. Retrieved March 25, 2022.
Open source URL - [2]Mythic SpecterOps
Thomas, C. (2020, August 13). A Change of Mythic Proportions. Retrieved March 25, 2022.
Open source URL - [3]Mythc Documentation
Thomas, C. (n.d.). Mythc Documentation. Retrieved March 25, 2022.
Open source URL - [4]RecordedFuture 2021 Ad Infra
Insikt Group. (2022, January 18). 2021 Adversary Infrastructure Report. Retrieved March 25, 2022.
Open source URL - [5]mitre-attackS0699Open 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.