Open Source Java MiTM (Man-in-The-Middle) Attack Tools

GPP is a General Purpose Proxy Java graphical application intended mainly for packet inspection and modification. It's main idea is to be a little user-friendly portable man-in-the-middle tool for security analysis. Later, some protocols should be added

Mock in the Middle is a Java Proxy designed for testing network applications. It serves as a mock proxy between a client and a server. By recording and replaying network conversations, the client can later be tested without a live server.

Proxyee is a JAVA-written HTTP proxy server library that supports HTTP, HTTPS, and WebSocket protocols, and supports MITM (Man-in-the-middle), which can capture and tamper with HTTP, and HTTPS packets. The CA certificate (src/resources/ca.crt) from the project needs to be imported to a trusted root certificate authority. The CA certificate (src/resources/ca.crt) from the project needs to be imported to a trusted root certificate authority. You can use the CertDownIntercept interceptor to enable the web certificate download feature.

Sting is a simple, host-based approach to detecting arp cache poisoning based man in the middle attacks (such as made by ettercap) on your LAN. It uses SNMP to periodically query the arp cache of your router and make sure its entry for you is correct.