CC注入Tomcat Upgrade/Executor/WebSocket内存马
# Tomcat内存马注入技术详解:Upgrade/Executor/WebSocket
## 1. Upgrade内存马技术
### 1.1 原理分析
Upgrade内存马利用了Tomcat的HTTP协议升级机制,通过注入恶意的UpgradeProtocol实现持久化后门:
1. **处理流程**:
- Http11Processor.service()调用isConnectionToken检查Connection:upgrade请求头
- 存在时取出Upgrade请求头对
2025-08-29 20:04:52
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