Impl SendFileMessage

rpc/proto/wcf.proto

@@ -30,6 +30,7 @@ enum Functions {
     FUNC_GET_DB_TABLES    = 0x14;
     FUNC_SEND_TXT         = 0x20;
     FUNC_SEND_IMG         = 0x21;
+    FUNC_SEND_FILE        = 0x22;
     FUNC_ENABLE_RECV_TXT  = 0x30;
     FUNC_DISABLE_RECV_TXT = 0x40;
     FUNC_EXEC_DB_QUERY    = 0x50;

spy/load_calls.cpp

@@ -12,6 +12,7 @@ WxCalls_t wxCalls = {
           Hook,   call,   type, self,   id, msgXml, roomId, wxId, content */
     { 0x550F4C, 0xA96350, 0x38, 0x3C, 0x184, 0x1EC, 0x48, 0x170, 0x70 },
     { 0xBD780, 0x771980, 0x521640 }, // Send Image Message
+    { 0xC3B70, 0x771980, 0x3ED8C0 }, // Send File Message
     /* Get Contacts:
           Base,  head, wxId, Code, Name, Gender, Country, Province, City*/
     { 0x23668F4, 0x4C, 0x30, 0x44, 0x8C, 0x184, 0x1D0, 0x1E4, 0x1F8 },

spy/rpc_server.cpp

@@ -206,6 +206,29 @@ bool func_send_img(char *path, char *receiver, uint8_t *out, size_t *len)
     return true;
 }
 
+bool func_send_file(char *path, char *receiver, uint8_t *out, size_t *len)
+{
+    Response rsp   = Response_init_default;
+    rsp.func       = Functions_FUNC_SEND_IMG;
+    rsp.which_msg  = Response_status_tag;
+    rsp.msg.status = 0;
+
+    if ((path == NULL) || (receiver == NULL)) {
+        rsp.msg.status = -1;
+    } else {
+        SendImageMessage(receiver, path);
+    }
+
+    pb_ostream_t stream = pb_ostream_from_buffer(out, *len);
+    if (!pb_encode(&stream, Response_fields, &rsp)) {
+        LOG_ERROR("Encoding failed: {}", PB_GET_ERROR(&stream));
+        return false;
+    }
+    *len = stream.bytes_written;
+
+    return true;
+}
+
 static void PushMessage()
 {
     static nng_socket msg_sock;
@@ -425,6 +448,11 @@ static bool dispatcher(uint8_t *in, size_t in_len, uint8_t *out, size_t *out_len
             ret = func_send_img(req.msg.file.path, req.msg.file.receiver, out, out_len);
             break;
         }
+        case Functions_FUNC_SEND_FILE: {
+            LOG_DEBUG("[Functions_FUNC_SEND_FILE]");
+            ret = func_send_file(req.msg.file.path, req.msg.file.receiver, out, out_len);
+            break;
+        }
         case Functions_FUNC_ENABLE_RECV_TXT: {
             LOG_DEBUG("[Functions_FUNC_ENABLE_RECV_TXT]");
             ret = func_enable_recv_txt(out, out_len);

spy/send_msg.cpp

@@ -129,3 +129,70 @@ void SendImageMessage(string wxid, string path)
         popad
     }
 }
+
+void SendFileMessage(string wxid, string path)
+{
+    if (g_WeChatWinDllAddr == 0) {
+        return;
+    }
+    DWORD tmpEAX            = 0;
+    char buffer[0x3B0]      = { 0 };
+    TextStruct_t fileWxid   = { 0 };
+    TextStruct_t filePath   = { 0 };
+    TextStruct_t nullbuffer = { 0 };
+
+    wstring wsWxid = String2Wstring(wxid);
+    wstring wspath = String2Wstring(path);
+
+    fileWxid.text     = (wchar_t *)wsWxid.c_str();
+    fileWxid.size     = wsWxid.size();
+    fileWxid.capacity = wsWxid.capacity();
+
+    filePath.text     = (wchar_t *)wspath.c_str();
+    filePath.size     = wspath.size();
+    filePath.capacity = wspath.capacity();
+
+    // 发送文件Call地址 = 微信基址 + 偏移
+    DWORD sendCall1 = g_WeChatWinDllAddr + g_WxCalls.sendFile.call1;
+    DWORD sendCall2 = g_WeChatWinDllAddr + g_WxCalls.sendFile.call2;
+    DWORD sendCall3 = g_WeChatWinDllAddr + g_WxCalls.sendFile.call3;
+
+    int isSuccess = 0;
+    __asm {
+		pushad;
+		pushfd;
+		call sendCall1;
+		sub esp, 0x14;
+		mov tmpEAX, eax;
+		lea eax, nullbuffer;
+		mov ecx, esp;
+		push eax;
+		call sendCall2;
+		push 0x00DBE200;
+		sub esp, 0x14;
+		mov edi, esp;
+		mov dword ptr ds : [edi] , 0x0;
+		mov dword ptr ds : [edi + 0x4] , 0x0;
+		mov dword ptr ds : [edi + 0x8] , 0x0;
+		mov dword ptr ds : [edi + 0xC] , 0x0;
+		mov dword ptr ds : [edi + 0x10] , 0x0;
+		sub esp, 0x14;
+		lea eax, filePath;
+		mov ecx, esp;
+		push eax;
+		call sendCall2;
+		sub esp, 0x14;
+		lea eax, fileWxid;
+		mov ecx, esp;
+		push eax;
+		call sendCall2;
+		mov ecx, dword ptr [tmpEAX];
+		lea eax, buffer;
+		push eax;
+		call sendCall3;
+		mov al,byte ptr [eax + 0x38];
+		movzx eax,al;
+		popfd;
+		popad;
+    }
+}

spy/send_msg.h

@@ -6,3 +6,4 @@ using namespace std;
 
 void SendTextMessage(string wxid, string msg, string atWxids);
 void SendImageMessage(string wxid, string path);
+void SendFileMessage(string wxid, string path);

spy/spy_types.h

@@ -20,11 +20,11 @@ typedef struct RecvMsg {
     DWORD content; // 消息内容地址
 } RecvMsg_t;
 
-typedef struct SendImg {
+typedef struct Sendfile {
     DWORD call1;
     DWORD call2;
     DWORD call3;
-} SendImg_t;
+} Sendfile_t;
 
 typedef struct Contact {
     DWORD base;
@@ -54,14 +54,15 @@ typedef struct NewFriend {
 } NewFriend_t;
 
 typedef struct WxCalls {
-    DWORD login;       // 登录状态
-    UserInfoCall_t ui; // 用户信息
-    DWORD sendTextMsg; // 发送消息
-    RecvMsg_t recvMsg; // 接收消息
-    SendImg_t sendImg; // 发送图片
-    Contact_t contact; // 获取联系人
-    Sql_t sql;         // 执行 SQL
-    NewFriend_t anf;   // 通过好友申请
+    DWORD login;         // 登录状态
+    UserInfoCall_t ui;   // 用户信息
+    DWORD sendTextMsg;   // 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
+    Contact_t contact;   // 获取联系人
+    Sql_t sql;           // 执行 SQL
+    NewFriend_t anf;     // 通过好友申请
 
 } WxCalls_t;