// 1. 获取微信主模块的基地址 var baseAddr = Process.getModuleByName("WeChat").base; if (!baseAddr) { console.error("[!] 找不到 WeChat 模块基址,请检查进程名。"); } console.log("[+] WeChat base address: " + baseAddr); // -------------------------基础函数分区------------------------- function toVarint(n) { let res = []; while (n >= 128) { res.push((n & 0x7F) | 0x80); // 取后7位,最高位置1 n = n >> 7; // 右移7位 } res.push(n); // 最后一位最高位为0 return res; } function stringToHexArray(str) { var utf8Str = unescape(encodeURIComponent(str)); var arr = []; for (var i = 0; i < utf8Str.length; i++) { arr.push(utf8Str.charCodeAt(i)); // 获取字符的 ASCII 码 (即十六进制值) } return arr; } function generateRandom5ByteVarint() { let res = []; // 前 4 个字节:最高位(bit 7)必须是 1,低 7 位随机 for (let i = 0; i < 4; i++) { let random7Bit = Math.floor(Math.random() * 128); res.push(random7Bit | 0x80); // 强制设置最高位为 1 } // 第 5 个字节:最高位必须是 0,为了确保不变成 4 字节,低 7 位不能全为 0 let lastByte = Math.floor(Math.random() * 127) + 1; res.push(lastByte & 0x7F); // 确保最高位为 0 return res; } // 辅助函数:Protobuf Varint 编码 (对应 get_varint_timestamp_bytes) function getVarintTimestampBytes() { let ts = Math.floor(Date.now() / 1000); let encodedBytes = []; let tempTs = ts >>> 0; // 强制转为 32位 无符号整数 while (true) { let byte = tempTs & 0x7F; tempTs >>>= 7; if (tempTs !== 0) { encodedBytes.push(byte | 0x80); } else { encodedBytes.push(byte); break; } } return encodedBytes; } function patchString(addr, plainStr) { const bytes = []; for (let i = 0; i < plainStr.length; i++) { bytes.push(plainStr.charCodeAt(i)); } addr.writeByteArray(bytes); addr.add(bytes.length).writeU8(0); } function generateAESKey() { const chars = 'abcdef0123456789'; let key = ''; for (let i = 0; i < 32; i++) { key += chars.charAt(Math.floor(Math.random() * chars.length)); } return key; } function getProtobufRawBytes(pBuffer, scanSize) { const tags = [0x12, 0x1A, 0x2A, 0x52, 0x5A]; let uint8Array; try { const mem = pBuffer.readByteArray(scanSize); if (!mem) return []; uint8Array = new Uint8Array(mem); } catch (e) { console.error("读取内存失败: " + e); return []; } let finalResults = []; let i = 0x1a; tags.forEach(targetTag => { let found = false; for (; i < uint8Array.length; i++) { if (uint8Array[i] === targetTag) { // 1. 解析 Varint 长度 (支持 1-5 字节长度标识) let length = 0; let shift = 0; let bytesReadForLen = 0; i = i + 1; while (i < uint8Array.length) { let b = uint8Array[i]; length |= (b & 0x7F) << shift; bytesReadForLen++; i++; if (!(b & 0x80)) break; shift += 7; } // 2. 截取原始 Byte 数据 if (i + length <= uint8Array.length) { let rawData = uint8Array.slice(i, i + length); finalResults.push(getCleanString(rawData)); i += length; } else { finalResults.push(null); // 长度越界 } found = true; break; // 找到第一个匹配的 Tag 就跳出 } } if (!found) finalResults.push(null); // 未找到该 Tag }); return finalResults; } function getCleanString(uint8Array) { var out = ""; var i = 0; var len = uint8Array.length; while (i < len) { var c = uint8Array[i++]; // 1. 处理单字节 (ASCII: 0xxxxxxx) if (c < 0x80) { // 只保留可见字符 (Space 32 到 ~ 126) if (c >= 32 && c <= 126) { out += String.fromCharCode(c); } } // 2. 处理双字节 (110xxxxx 10xxxxxx) else if ((c & 0xE0) === 0xC0 && i < len) { var c2 = uint8Array[i++]; if ((c2 & 0xC0) === 0x80) { // 这种通常是特殊拉丁字母等,按需保留 var charCode = ((c & 0x1F) << 6) | (c2 & 0x3F); out += String.fromCharCode(charCode); } } // 3. 处理三字节 (1110xxxx 10xxxxxx 10xxxxxx) -> 绝大多数汉字在此 else if ((c & 0xF0) === 0xE0 && i + 1 < len) { var c2 = uint8Array[i++]; var c3 = uint8Array[i++]; if ((c2 & 0xC0) === 0x80 && (c3 & 0xC0) === 0x80) { var charCode = ((c & 0x0F) << 12) | ((c2 & 0x3F) << 6) | (c3 & 0x3F); if ( (charCode >= 0x4E00 && charCode <= 0x9FA5) || // 基本汉字 (charCode >= 0x3000 && charCode <= 0x303F) || // 常用中文标点 (。,、) (charCode >= 0xFF00 && charCode <= 0xFFEF) || // 全角符号/标点 (!:?) (charCode >= 0x2000 && charCode <= 0x206F) || // 常用标点扩展 (含 \u2005) (charCode >= 0x3400 && charCode <= 0x4DBF) // 扩展 A 区汉字 ) { out += String.fromCharCode(charCode); } } } else if ((c & 0xF8) === 0xF0 && i + 2 < len) { var c2 = uint8Array[i++]; var c3 = uint8Array[i++]; var c4 = uint8Array[i++]; if ((c2 & 0xC0) === 0x80 && (c3 & 0xC0) === 0x80 && (c4 & 0xC0) === 0x80) { // 计算 Unicode 码点 var codePoint = ((c & 0x07) << 18) | ((c2 & 0x3F) << 12) | ((c3 & 0x3F) << 6) | (c4 & 0x3F); // Emoji 范围通常在 U+1F000 到 U+1F9FF 之间 if (codePoint >= 0x1F000 && codePoint <= 0x1FADF) { // 使用 fromCodePoint 处理 4 字节字符 out += String.fromCodePoint(codePoint); } } } } return out; } function generateBytes(n) { // 生成随机字符串 const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'; let result = ''; for (let i = 0; i < n; i++) { result += chars.charAt(Math.floor(Math.random() * chars.length)); } return stringToHexArray(result); } // -------------------------基础函数分区------------------------- // -------------------------全局变量分区------------------------- // 文本消息全局变量 var protobufAddr = baseAddr.add(0x2387280); var patchTextProtobufAddr = baseAddr.add(0x238725C); var PatchTextProtobufDeleteAddr = baseAddr.add(0x2387298); var textCgiAddr = ptr(0); var sendTextMessageAddr = ptr(0); var textMessageAddr = ptr(0); var textProtoX1PayloadAddr = ptr(0); var sendMessageCallbackFunc = ptr(0); var messageCallbackFunc1 = ptr(0); // 双方公共使用的地址 var triggerX1Payload; var req2bufEnterAddr = baseAddr.add(0x35CEDC0); var req2bufExitAddr = baseAddr.add(0x35CFF78); var sendFuncAddr = baseAddr.add(0x4683540); var insertMsgAddr = ptr(0); var sendMsgType = ""; var buf2RespAddr = baseAddr.add(0x4568B58); // 图片消息全局变量 var sendImgMessageCallbackFunc = ptr(0); var uploadImageAddr = baseAddr.add(0x45DC834); var imgProtobufAddr = baseAddr.add(0x3317834); var patchImgProtobufFunc1 = baseAddr.add(0x0) var patchImgProtobufFunc2 = baseAddr.add(0x0); var imgProtobufDeleteAddr = baseAddr.add(0x0); var CndOnCompleteAddr = baseAddr.add(0x450195C); var imgCgiAddr = ptr(0); var sendImgMessageAddr = ptr(0); var imgMessageAddr = ptr(0); var imgProtoX1PayloadAddr = ptr(0); var uploadGlobalX0 = ptr(0) var uploadFunc1Addr = ptr(0) var uploadFunc2Addr = ptr(0) var imageIdAddr = ptr(0) var md5Addr = ptr(0) var uploadAesKeyAddr = ptr(0) var ImagePathAddr1 = ptr(0) var uploadImagePayload = ptr(0); var globalImageCdnKey = ""; var globalAesKey1 = ""; var globalMd5Key = ""; // 发送消息的全局变量 var taskIdGlobal = 0x20000090 // 最好比较大,不和原始的微信消息重复 var receiverGlobal = "wxid_" var contentGlobal = ""; var senderGlobal = "wxid_" var lastSendTime = 0; var atUserGlobal = ""; const imageCp = generateBytes(16) // m30c4674f5a0b9d // -------------------------全局变量分区------------------------- // -------------------------发送文本消息分区------------------------- // 初始化进行内存的分配 function setupSendTextMessageDynamic() { console.log("[+] Starting Dynamic Message Patching..."); // 1. 动态分配内存块(按需分配大小) // 分配原则:字符串给 64-128 字节,结构体按实际大小分配 textCgiAddr = Memory.alloc(128); sendTextMessageAddr = Memory.alloc(256); textMessageAddr = Memory.alloc(256); // A. 写入字符串内容 patchString(textCgiAddr, "/cgi-bin/micromsg-bin/newsendmsg"); // B. 构建 sendTextMessageAddr 结构体 (X24 基址位置) sendTextMessageAddr.add(0x00).writeU64(0); sendTextMessageAddr.add(0x08).writeU64(0); sendTextMessageAddr.add(0x10).writePointer(sendMessageCallbackFunc); sendTextMessageAddr.add(0x18).writeU64(1); sendTextMessageAddr.add(0x20).writeU32(taskIdGlobal); sendTextMessageAddr.add(0x28).writePointer(textMessageAddr); // 指向动态分配的 Message console.log(" [+] sendTextMessageAddr Object: ", hexdump(sendTextMessageAddr, { offset: 0, length: 48, header: true, ansi: true })); // C. 构建 Message 结构体 textMessageAddr.add(0x00).writePointer(messageCallbackFunc1); textMessageAddr.add(0x08).writeU32(taskIdGlobal); textMessageAddr.add(0x0c).writeU32(0x20a); textMessageAddr.add(0x10).writeU64(0x3); textMessageAddr.add(0x18).writePointer(textCgiAddr); textMessageAddr.add(0x20).writeU64(uint64("0x20")); console.log(" [+] textMessageAddr Object: ", hexdump(textMessageAddr, { offset: 0, length: 64, header: true, ansi: true })); console.log("[+] Dynamic Memory Setup Complete. - Message Object: " + textMessageAddr); } setImmediate(setupSendTextMessageDynamic); function patchTextProtoBuf() { Memory.patchCode(patchTextProtobufAddr, 4, code => { const cw = new Arm64Writer(code, {pc: patchTextProtobufAddr}); cw.putNop(); cw.flush(); }); console.log("[+] Patching patchTextProtobufAddr " + patchTextProtobufAddr + " 成功."); Memory.patchCode(PatchTextProtobufDeleteAddr, 4, code => { const cw = new Arm64Writer(code, {pc: PatchTextProtobufDeleteAddr}); cw.putNop(); cw.flush(); }); console.log("[+] Patching PatchTextProtobufDeleteAddr " + PatchTextProtobufDeleteAddr + " 成功."); } setTimeout(function () { console.log("[+] 3秒等待结束,准备执行 Patch..."); patchTextProtoBuf(); }, 3000); function triggerSendTextMessage(taskId, receiver, content, atUser) { console.log("[+] Manual Trigger Started..."); if (!taskId || !receiver || !content) { console.error("[!] taskId or Receiver or Content is empty!"); return "fail"; } // 获取当前时间戳 (秒) const timestamp = Math.floor(Date.now() / 1000); lastSendTime = timestamp taskIdGlobal = taskId; receiverGlobal = receiver; contentGlobal = content; atUserGlobal = atUser console.log("taskIdGlobal: " + taskIdGlobal + ", receiverGlobal: " + receiverGlobal + ", contentGlobal: " + contentGlobal + ", atUserGlobal: " + atUserGlobal) ; textMessageAddr.add(0x08).writeU32(taskIdGlobal); sendTextMessageAddr.add(0x20).writeU32(taskIdGlobal); const payloadData = [ 0x0A, 0x02, 0x00, 0x00, // 0x00 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x08 0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, // 0x10 0x40, 0xec, 0x0e, 0x12, 0x01, 0x00, 0x00, 0x00, // 0x18 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x20 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, // 0x28 0x00, 0x01, 0x01, 0x01, 0x00, 0xAA, 0xAA, 0xAA, // 0x30 0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, // 0x38 0x01, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, // 0x40 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xAA, 0xAA, 0xAA, // 0x48 0xFF, 0xFF, 0xFF, 0xFF, 0xAA, 0xAA, 0xAA, 0xAA, // 0x50 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x58 0x0A, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x60 0x64, 0x65, 0x66, 0x61, 0x75, 0x6C, 0x74, 0x2D, // 0x68 default- 0x6C, 0x6F, 0x6E, 0x67, 0x6C, 0x69, 0x6E, 0x6B, // 0x70 longlink 0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0x10, // 0x78 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x80 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x88 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x90 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x98 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xA0 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xA8 0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, // 0xB0 0xC0, 0x66, 0x26, 0x73, 0x01, 0x00, 0x00, 0x00, // 0xB8 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xC0 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xC8 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xD0 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xD8 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xE0 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xE8 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xF0 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xF8 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x100 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x108 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x110 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x118 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x120 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x128 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x130 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x138 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x140 0x01, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, // 0x148 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x150 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x158 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x160 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x168 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x170 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x178 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x180 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, // 0x188 0x98, 0x67, 0xED, 0x75, 0x01, 0x00, 0x00, 0x00, // 0x190 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x198 ]; triggerX1Payload.writeU32(taskIdGlobal); triggerX1Payload.add(0x04).writeByteArray(payloadData); triggerX1Payload.add(0x18).writePointer(textCgiAddr); sendMsgType = "text" console.log("finished init payload") const MMStartTask = new NativeFunction(sendFuncAddr, 'int64', ['pointer']); // 5. 调用函数 try { const result = MMStartTask(triggerX1Payload); console.log(`[+] Execution MMStartTask ${sendFuncAddr} with args: (${triggerX1Payload}) Success. Return value: ` + result); return "ok"; } catch (e) { console.error(`[!] Error trigger MMStartTask ${sendFuncAddr} with args: (${triggerX1Payload}), during execution: ` + e); return "fail"; } } function AttachSendTextProto() { Interceptor.attach(sendFuncAddr, { onEnter: function (args) { if (triggerX1Payload) { return } triggerX1Payload = this.context.x0; console.log(`[+] 捕获到 MMStartTask 调用,Payload 地址: ${triggerX1Payload}`); } }) } setImmediate(AttachSendTextProto); // 拦截 SendTextProto 编码逻辑,注入自定义 Payload function attachSendTextProto() { console.log("[+] proto注入拦截目标地址: " + protobufAddr); textProtoX1PayloadAddr = Memory.alloc(3096); console.log("[+] Frida 分配的 Payload 地址: " + textProtoX1PayloadAddr); Interceptor.attach(protobufAddr, { onEnter: function (args) { console.log("[+] Protobuf 拦截命中"); var sp = this.context.sp; var firstValue = sp.readU32(); if (firstValue !== taskIdGlobal) { console.log("[+] Protobuf 拦截未命中,跳过..."); return; } console.log(`[+] 正在注入 Protobuf Payload content: ${contentGlobal}, receiver: ${receiverGlobal}, atUser: ${atUserGlobal}`); const type = [0x08, 0x01, 0x12] const receiverHeader = [0x0A, receiverGlobal.length + 2, 0x0A, receiverGlobal.length]; const receiverProto = stringToHexArray(receiverGlobal); const contentProto = stringToHexArray(contentGlobal); const contentHeader = [0x12, ...toVarint(contentProto.length)]; const tsHeader = [0x18, 0x01, 0x20]; const tsBytes = getVarintTimestampBytes(); const msgIdHeader = [0x28] const msgId = generateRandom5ByteVarint() const htmlUpperPart = [0x3C, 0x6D, 0x73, 0x67, 0x73, 0x6F, 0x75, 0x72, 0x63, 0x65, 0x3E] let atUserHeader = [] if (atUserGlobal) { atUserHeader = atUserHeader.concat([0x3C, 0x61, 0x74, 0x75, 0x73, 0x65, 0x72, 0x6c, 0x69, 0x73, 0x74, 0x3e]). concat(stringToHexArray(atUserGlobal)).concat([0x3C, 0x2F, 0x61, 0x74, 0x75, 0x73, 0x65, 0x72, 0x6C, 0x69, 0x73, 0x74, 0x3E]) } const htmlLowerPart = [0x3C, 0x61, 0x6C, 0x6E, 0x6F, 0x64, 0x65, 0x3E, 0x3C, 0x66, 0x72, 0x3E, 0x31, 0x3C, 0x2F, 0x66, 0x72, 0x3E, 0x3C, 0x2F, 0x61, 0x6C, 0x6E, 0x6F, 0x64, 0x65, 0x3E, 0x3C, 0x2F, 0x6D, 0x73, 0x67, 0x73, 0x6F, 0x75, 0x72, 0x63, 0x65, 0x3E, 0x00] const htmlHeader = [0x32, htmlUpperPart.length + atUserHeader.length + htmlLowerPart.length] const valueLen = toVarint(receiverHeader.length + receiverProto.length + contentHeader.length + contentProto.length + tsHeader.length + tsBytes.length + msgIdHeader.length + msgId.length + htmlHeader.length + htmlUpperPart.length + atUserHeader.length + htmlLowerPart.length) // 合并数组 const finalPayload = type.concat(valueLen).concat(receiverHeader).concat(receiverProto).concat(contentHeader). concat(contentProto).concat(tsHeader).concat(tsBytes).concat(msgIdHeader).concat(msgId).concat(htmlHeader).concat(htmlUpperPart). concat(atUserHeader).concat(htmlLowerPart); textProtoX1PayloadAddr.writeByteArray(finalPayload); this.context.x1 = textProtoX1PayloadAddr; this.context.x2 = ptr(finalPayload.length); console.log("[+] 寄存器修改完成: X1=" + this.context.x1 + ", X2=" + this.context.x2, hexdump(textProtoX1PayloadAddr, { offset: 0, length: 128, header: true, ansi: true })); }, }); } setImmediate(attachSendTextProto); // -------------------------发送文本消息分区------------------------- // -------------------------Req2Buf公共部分分区------------------------- function attachReq2buf() { console.log("[+] Target Req2buf enter Address: " + req2bufEnterAddr); // 2. 开始拦截 Interceptor.attach(req2bufEnterAddr, { onEnter: function (args) { if (!this.context.x1.equals(taskIdGlobal)) { return; } console.log("[+] 已命中目标Req2Buf地址:0x1033EE8E8 taskId:" + taskIdGlobal + "base:" + baseAddr); // 3. 获取 X24 寄存器的值 const x24_base = this.context.x24; insertMsgAddr = x24_base.add(0x60); console.log("[+] 当前 Req2Buf X24 基址: " + x24_base); if (typeof sendTextMessageAddr !== 'undefined') { if (sendMsgType === "text") { insertMsgAddr.writePointer(sendTextMessageAddr); console.log("[+] 发送文本消息成功! Req2Buf 已将 X24+0x60 指向新地址: " + sendTextMessageAddr + "[+] Req2Buf 写入后内存预览: " + insertMsgAddr); } else if (sendMsgType === "img") { insertMsgAddr.writePointer(sendImgMessageAddr); console.log("[+] 发送图片消息成功! Req2Buf 已将 X24+0x60 指向新地址: " + sendImgMessageAddr + "[+] Req2Buf 写入后内存预览: " + insertMsgAddr); } } else { console.error("[!] 错误: 变量 sendTextMessageAddr 未定义,请确保已运行分配逻辑。"); } } }); // 在出口处拦截req2buf,把insertMsgAddr设置为0,避免被垃圾回收导致整个程序崩溃 console.log("[+] Target Req2buf leave Address: " + req2bufExitAddr); Interceptor.attach(req2bufExitAddr, { onEnter: function (args) { if (!this.context.x25.equals(taskIdGlobal)) { return; } insertMsgAddr.writeU64(0x0); console.log("[+] 清空写入后内存预览: " + insertMsgAddr.readPointer()); taskIdGlobal = 0; receiverGlobal = ""; senderGlobal = ""; contentGlobal = ""; atUserGlobal = ""; send({ type: "finish", }) } }); } setImmediate(attachReq2buf); // -------------------------Req2Buf公共部分分区-------------------------