Covenant C2 (also known as Covenant, Elite) is a c2 framework active since 2019. Open-source .NET C2 framework. Key characteristics include: .NET implants (Grunts), collaborative UI, HTTP/SMB listeners, used by APTs and red teams.
Overview & Background
Open-source .NET C2 framework. First identified in 2019, this threat is attributed to Open source.
Threat Assessment
Covenant C2 remains an active threat. Organizations should implement detection rules and monitor for indicators associated with this c2 framework.
- Category: C2 Framework
- Active since: 2019
- Attribution: Open source
- Also known as: Covenant, Elite
Technical Analysis
Covenant C2 employs the following capabilities and techniques:
- .Net Implants (Grunts): Core functionality
- Collaborative Ui: Core functionality
- Http/Smb Listeners: Core functionality
- Used By Apts And Red Teams: Core functionality
MITRE ATT&CK Mapping
| Tactic | Technique | Usage |
|---|---|---|
| Initial Access | T1566.001 Phishing Attachment | Common delivery vector |
| Execution | T1204.002 Malicious File | User-triggered execution |
| Persistence | T1547.001 Registry Run Keys | Autostart persistence |
| Defense Evasion | T1027 Obfuscated Files | Payload obfuscation |
| C2 | T1071.001 Web Protocols | HTTP/HTTPS C2 |
Detection & Defense
- Endpoint detection: Deploy behavioral detection rules for Covenant C2 indicators
- Network monitoring: Monitor for C2 traffic patterns and anomalous connections
- Threat intelligence: Track Covenant C2 IOCs and campaign updates
- Security awareness: Train users to recognize phishing and social engineering
- Patch management: Keep systems updated to prevent exploitation
Defend Against Covenant C2
Mjolnir Security provides detection and response capabilities against Covenant C2 and similar threats.
Threat DetectionIncident ResponseThreat HuntingMDR ServicesThreat Intelligence
- Proactive Threat Hunting Hunt for Covenant C2 indicators and TTPs within your environment.
- Threat Intelligence Monitor Covenant C2 campaigns and infrastructure changes.
- 24/7 Incident Response Rapid containment and forensic investigation. Call +1 833 403 5875.
Written by: Mjolnir Security | Published: October 31, 2025
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