Conquer Packet Interceptor

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• Packet Interception: Hooking SendPacket to capture network packets before encryption
• Packet Injection: Injecting custom packets using the original SendPacket function

Function Signature

// Function signature (from IDA Pro analysis)
// Address: 0x007414F0 (Conquer Online client version 6609 only)
int __fastcall SendPacket(
    void* thisPtr,      // Network object (ECX register)
    void* edx,          // Unused (EDX register)
    void* data,         // Packet data (NOT encrypted!)
    int len             // Packet size
)

Note: This address (0x007414F0) is specific to Conquer Online client version 6609 only.

Building

1. Open conquer-packet-interceptor.sln in Visual Studio
2. Select Release | Win32 configuration
3. Build Solution (F7)

The output DLL will be in Release/Chat.dll

Usage

1. Build the project
2. Rename Release/Chat.dll to match the game's expected DLL name
3. Place the DLL in the game's directory
4. Launch the game
5. Press INSERT to toggle the ImGui overlay

Acknowledgments

• MinHook
• ImGui

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Note: This is a study/research project.