Impl Functions_FUNC_SEND_TXT

spy/load_calls.cpp

@@ -7,7 +7,7 @@
 WxCalls_t wxCalls = {
     0x2FFD638,                                      // Login Status
     { 0x2FFD4E8, 0x23660F4, 0x2366128, 0x2386F7C }, // User Info: wxid, nickname, mobile, home
-    0x521D30,                                       // Send Message
+    { 0x768140, 0xCE6C80, 0x756960 },               // Send Message
     /* Receive Message:
           Hook,   call,   type, self,   id, msgXml, roomId, wxId, content, thumb, extra */
     { 0x550F4C, 0xA96350, 0x38, 0x3C, 0x184, 0x1EC, 0x48, 0x170, 0x70, 0x198, 0x1AC },

spy/rpc_server.cpp

@@ -579,12 +579,12 @@ static bool dispatcher(uint8_t *in, size_t in_len, uint8_t *out, size_t *out_len
             ret = func_get_user_info(out, out_len);
             break;
         }
-#if 0
         case Functions_FUNC_SEND_TXT: {
             LOG_DEBUG("[Functions_FUNC_SEND_TXT]");
             ret = func_send_txt(req.msg.txt, out, out_len);
             break;
         }
+#if 0
         case Functions_FUNC_SEND_IMG: {
             LOG_DEBUG("[Functions_FUNC_SEND_IMG]");
             ret = func_send_img(req.msg.file.path, req.msg.file.receiver, out, out_len);

spy/send_msg.cpp

@@ -13,12 +13,15 @@ extern string GetSelfWxid(); // Defined in spy.cpp
 
 void SendTextMessage(string wxid, string msg, string atWxids)
 {
-    char buffer[0x3B0] = { 0 };
+    int success = 0;
+    char buffer[0x2D8] = { 0 };
     WxString_t wxMsg   = { 0 };
     WxString_t wxWxid  = { 0 };
 
     // 发送消息Call地址 = 微信基址 + 偏移
-    DWORD sendCallAddress = g_WeChatWinDllAddr + g_WxCalls.sendTextMsg;
+    DWORD sendCall1 = g_WeChatWinDllAddr + g_WxCalls.sendText.call1;
+    DWORD sendCall2 = g_WeChatWinDllAddr + g_WxCalls.sendText.call2;
+    DWORD sendCall3 = g_WeChatWinDllAddr + g_WxCalls.sendText.call3;
 
     wstring wsWxid = String2Wstring(wxid);
     wstring wsMsg  = String2Wstring(msg);
@@ -49,15 +52,24 @@ void SendTextMessage(string wxid, string msg, string atWxids)
 
     __asm
     {
+        pushad;
+        call sendCall1;
+        push 0x0;
+        push 0x0;
+        push 0x0;
+        push 0x1;
         lea eax, vTxtAtWxids;
-        push 0x01;
         push eax;
-        lea edi, wxMsg;
-        push edi;
+        lea eax, wxMsg;
+        push eax;
         lea edx, wxWxid;
         lea ecx, buffer;
-        call sendCallAddress;
-        add esp, 0xC;
+        call sendCall2;
+        mov success, eax;
+        add esp, 0x18;
+        lea ecx, buffer;
+        call sendCall3;
+        popad;
     }
 }
 

spy/spy_types.h

@@ -23,6 +23,12 @@ typedef struct RecvMsg {
     DWORD extra;   // 附加数据
 } RecvMsg_t;
 
+typedef struct SendText {
+    DWORD call1;
+    DWORD call2;
+    DWORD call3;
+} SendText_t;
+
 typedef struct Sendfile {
     DWORD call1;
     DWORD call2;
@@ -79,7 +85,7 @@ typedef struct TF {
 typedef struct WxCalls {
     DWORD login;         // 登录状态
     UserInfoCall_t ui;   // 用户信息
-    DWORD sendTextMsg;   // 发送消息
+    SendText_t sendText; // 发送消息
     RecvMsg_t recvMsg;   // 接收消息
     Sendfile_t sendImg;  // 发送图片
     Sendfile_t sendFile; // 发送文件