#include "pch.h" #include "send_text.h" #include "common.h" #include "wechat_data.h" #define WX_SEND_TEXT_OFFSET 0xb690a0 #define WX_SEND_MESSAGE_MGR_OFFSET 0x663320 #define WX_FREE_CHAT_MSG_OFFSET 0x651c40 /// @brief 发生文本消息 /// @param wxid wxid /// @param msg 文本消息 /// @return 成功返回1 int SendText(wchar_t* wxid, wchar_t* msg) { int success = 0; WeChatString to_user(wxid); WeChatString text_msg(msg); wchar_t **msg_pptr = &text_msg.ptr; char chat_msg[0x2A8] ={0}; DWORD base = GetWeChatWinBase(); DWORD send_message_mgr_addr = base + WX_SEND_MESSAGE_MGR_OFFSET; DWORD send_text_msg_addr = base + WX_SEND_TEXT_OFFSET; DWORD free_msg_addr = base + WX_FREE_CHAT_MSG_OFFSET; __asm{ PUSHAD PUSH 0x0 PUSH 0x0 PUSH 0x1 PUSH 0x0 MOV EDI,msg_pptr PUSH EDI LEA EDX,to_user LEA ECX,chat_msg CALL send_text_msg_addr ADD ESP,0x14 MOV success,EAX LEA ECX,chat_msg CALL free_msg_addr POPAD } return success; }