Viper C2 (also known as Viper) is a c2 framework active since 2021. Chinese-language C2 platform. Key characteristics include: Chinese-language UI, modular post-exploitation, Metasploit integration, popular in Chinese eCrime.
Overview & Background
Chinese-language C2 platform. First identified in 2021, this threat is attributed to Chinese eCrime.
Threat Assessment
Viper C2 remains an active threat. Organizations should implement detection rules and monitor for indicators associated with this c2 framework.
- Category: C2 Framework
- Active since: 2021
- Attribution: Chinese eCrime
- Also known as: Viper
Technical Analysis
Viper C2 employs the following capabilities and techniques:
- Chinese-Language Ui: Core functionality
- Modular Post-Exploitation: Core functionality
- Metasploit Integration: Core functionality
- Popular In Chinese Ecrime: 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 Viper C2 indicators
- Network monitoring: Monitor for C2 traffic patterns and anomalous connections
- Threat intelligence: Track Viper 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 Viper C2
Mjolnir Security provides detection and response capabilities against Viper C2 and similar threats.
Threat DetectionIncident ResponseThreat HuntingMDR ServicesThreat Intelligence
- Proactive Threat Hunting Hunt for Viper C2 indicators and TTPs within your environment.
- Threat Intelligence Monitor Viper 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 14, 2025
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