mirror of
https://github.com/yincongcyincong/wechat_chatter.git
synced 2026-07-15 10:26:52 +08:00
583 lines
22 KiB
JavaScript
583 lines
22 KiB
JavaScript
// 1. 获取微信主模块的基地址
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var baseAddr = Process.getModuleByName("WeChat").base;
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if (!baseAddr) {
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console.error("[!] 找不到 WeChat 模块基址，请检查进程名。");
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}
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console.log("[+] WeChat base address: " + baseAddr);
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// -------------------------基础函数分区-------------------------
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function toVarint(n) {
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let res = [];
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while (n >= 128) {
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res.push((n & 0x7F) | 0x80); // 取后7位，最高位置1
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n = n >> 7; // 右移7位
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}
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res.push(n); // 最后一位最高位为0
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return res;
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}
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function stringToHexArray(str) {
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var utf8Str = unescape(encodeURIComponent(str));
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var arr = [];
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for (var i = 0; i < utf8Str.length; i++) {
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arr.push(utf8Str.charCodeAt(i)); // 获取字符的 ASCII 码 (即十六进制值)
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}
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return arr;
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}
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function generateRandom5ByteVarint() {
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let res = [];
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// 前 4 个字节：最高位(bit 7)必须是 1，低 7 位随机
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for (let i = 0; i < 4; i++) {
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let random7Bit = Math.floor(Math.random() * 128);
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res.push(random7Bit | 0x80); // 强制设置最高位为 1
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}
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// 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
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let lastByte = Math.floor(Math.random() * 127) + 1;
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res.push(lastByte & 0x7F); // 确保最高位为 0
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return res;
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}
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// 辅助函数：Protobuf Varint 编码 (对应 get_varint_timestamp_bytes)
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function getVarintTimestampBytes() {
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let ts = Math.floor(Date.now() / 1000);
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let encodedBytes = [];
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let tempTs = ts >>> 0; // 强制转为 32位 无符号整数
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while (true) {
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let byte = tempTs & 0x7F;
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tempTs >>>= 7;
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if (tempTs !== 0) {
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encodedBytes.push(byte | 0x80);
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} else {
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encodedBytes.push(byte);
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break;
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}
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}
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return encodedBytes;
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}
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function patchString(addr, plainStr) {
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const bytes = [];
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for (let i = 0; i < plainStr.length; i++) {
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bytes.push(plainStr.charCodeAt(i));
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}
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addr.writeByteArray(bytes);
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addr.add(bytes.length).writeU8(0);
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}
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function generateAESKey() {
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const chars = 'abcdef0123456789';
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let key = '';
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for (let i = 0; i < 32; i++) {
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key += chars.charAt(Math.floor(Math.random() * chars.length));
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}
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return key;
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}
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function getProtobufRawBytes(pBuffer, scanSize) {
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const tags = [0x12, 0x1A, 0x2A, 0x52, 0x5A];
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let uint8Array;
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try {
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const mem = pBuffer.readByteArray(scanSize);
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if (!mem) return [];
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uint8Array = new Uint8Array(mem);
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} catch (e) {
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console.error("读取内存失败: " + e);
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return [];
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}
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let finalResults = [];
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let i = 0x1a;
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tags.forEach(targetTag => {
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let found = false;
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for (; i < uint8Array.length; i++) {
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if (uint8Array[i] === targetTag) {
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// 1. 解析 Varint 长度 (支持 1-5 字节长度标识)
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let length = 0;
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let shift = 0;
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let bytesReadForLen = 0;
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i = i + 1;
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while (i < uint8Array.length) {
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let b = uint8Array[i];
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length |= (b & 0x7F) << shift;
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bytesReadForLen++;
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i++;
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if (!(b & 0x80)) break;
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shift += 7;
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}
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// 2. 截取原始 Byte 数据
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if (i + length <= uint8Array.length) {
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let rawData = uint8Array.slice(i, i + length);
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finalResults.push(getCleanString(rawData));
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i += length;
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} else {
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finalResults.push(null); // 长度越界
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}
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found = true;
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break; // 找到第一个匹配的 Tag 就跳出
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}
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}
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if (!found) finalResults.push(null); // 未找到该 Tag
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});
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return finalResults;
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}
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function getCleanString(uint8Array) {
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var out = "";
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var i = 0;
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var len = uint8Array.length;
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while (i < len) {
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var c = uint8Array[i++];
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// 1. 处理单字节 (ASCII: 0xxxxxxx)
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if (c < 0x80) {
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// 只保留可见字符 (Space 32 到 ~ 126)
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if (c >= 32 && c <= 126) {
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out += String.fromCharCode(c);
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}
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}
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// 2. 处理双字节 (110xxxxx 10xxxxxx)
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else if ((c & 0xE0) === 0xC0 && i < len) {
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var c2 = uint8Array[i++];
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if ((c2 & 0xC0) === 0x80) {
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// 这种通常是特殊拉丁字母等，按需保留
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var charCode = ((c & 0x1F) << 6) | (c2 & 0x3F);
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out += String.fromCharCode(charCode);
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}
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}
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// 3. 处理三字节 (1110xxxx 10xxxxxx 10xxxxxx) -> 绝大多数汉字在此
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else if ((c & 0xF0) === 0xE0 && i + 1 < len) {
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var c2 = uint8Array[i++];
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var c3 = uint8Array[i++];
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if ((c2 & 0xC0) === 0x80 && (c3 & 0xC0) === 0x80) {
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var charCode = ((c & 0x0F) << 12) | ((c2 & 0x3F) << 6) | (c3 & 0x3F);
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if (
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(charCode >= 0x4E00 && charCode <= 0x9FA5) || // 基本汉字
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(charCode >= 0x3000 && charCode <= 0x303F) || // 常用中文标点 (。，、)
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(charCode >= 0xFF00 && charCode <= 0xFFEF) || // 全角符号/标点 (！：？)
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(charCode >= 0x2000 && charCode <= 0x206F) || // 常用标点扩展 (含 \u2005)
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(charCode >= 0x3400 && charCode <= 0x4DBF) // 扩展 A 区汉字
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) {
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out += String.fromCharCode(charCode);
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}
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}
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} else if ((c & 0xF8) === 0xF0 && i + 2 < len) {
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var c2 = uint8Array[i++];
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var c3 = uint8Array[i++];
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var c4 = uint8Array[i++];
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if ((c2 & 0xC0) === 0x80 && (c3 & 0xC0) === 0x80 && (c4 & 0xC0) === 0x80) {
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// 计算 Unicode 码点
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var codePoint = ((c & 0x07) << 18) | ((c2 & 0x3F) << 12) | ((c3 & 0x3F) << 6) | (c4 & 0x3F);
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// Emoji 范围通常在 U+1F000 到 U+1F9FF 之间
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if (codePoint >= 0x1F000 && codePoint <= 0x1FADF) {
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// 使用 fromCodePoint 处理 4 字节字符
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out += String.fromCodePoint(codePoint);
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}
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}
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}
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}
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return out;
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}
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function generateBytes(n) {
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// 生成随机字符串
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const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
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let result = '';
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for (let i = 0; i < n; i++) {
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result += chars.charAt(Math.floor(Math.random() * chars.length));
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}
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return stringToHexArray(result);
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}
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// -------------------------基础函数分区-------------------------
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// -------------------------全局变量分区-------------------------
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// 文本消息全局变量
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var protobufAddr = baseAddr.add(0x2387280);
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var patchTextProtobufAddr = baseAddr.add(0x238725C);
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var PatchTextProtobufDeleteAddr = baseAddr.add(0x2387298);
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var textCgiAddr = ptr(0);
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var sendTextMessageAddr = ptr(0);
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var textMessageAddr = ptr(0);
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var textProtoX1PayloadAddr = ptr(0);
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var sendMessageCallbackFunc = ptr(0);
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var messageCallbackFunc1 = ptr(0);
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// 双方公共使用的地址
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var triggerX1Payload;
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var req2bufEnterAddr = baseAddr.add(0x35CEDC0);
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var req2bufExitAddr = baseAddr.add(0x35CFF78);
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var sendFuncAddr = baseAddr.add(0x4683540);
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var insertMsgAddr = ptr(0);
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var sendMsgType = "";
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var buf2RespAddr = baseAddr.add(0x4568B58);
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// 图片消息全局变量
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var sendImgMessageCallbackFunc = ptr(0);
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var uploadImageAddr = baseAddr.add(0x45DC834);
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var imgProtobufAddr = baseAddr.add(0x3317834);
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var patchImgProtobufFunc1 = baseAddr.add(0x0)
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var patchImgProtobufFunc2 = baseAddr.add(0x0);
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var imgProtobufDeleteAddr = baseAddr.add(0x0);
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var CndOnCompleteAddr = baseAddr.add(0x450195C);
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var imgCgiAddr = ptr(0);
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var sendImgMessageAddr = ptr(0);
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var imgMessageAddr = ptr(0);
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var imgProtoX1PayloadAddr = ptr(0);
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var uploadGlobalX0 = ptr(0)
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var uploadFunc1Addr = ptr(0)
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var uploadFunc2Addr = ptr(0)
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var imageIdAddr = ptr(0)
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var md5Addr = ptr(0)
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var uploadAesKeyAddr = ptr(0)
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var ImagePathAddr1 = ptr(0)
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var uploadImagePayload = ptr(0);
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var globalImageCdnKey = "";
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var globalAesKey1 = "";
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var globalMd5Key = "";
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// 发送消息的全局变量
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var taskIdGlobal = 0x20000090 // 最好比较大，不和原始的微信消息重复
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var receiverGlobal = "wxid_"
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var contentGlobal = "";
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var senderGlobal = "wxid_"
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var lastSendTime = 0;
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var atUserGlobal = "";
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const imageCp = generateBytes(16) // m30c4674f5a0b9d
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// -------------------------全局变量分区-------------------------
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// -------------------------发送文本消息分区-------------------------
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// 初始化进行内存的分配
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function setupSendTextMessageDynamic() {
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console.log("[+] Starting Dynamic Message Patching...");
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// 1. 动态分配内存块（按需分配大小）
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// 分配原则：字符串给 64-128 字节，结构体按实际大小分配
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textCgiAddr = Memory.alloc(128);
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sendTextMessageAddr = Memory.alloc(256);
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textMessageAddr = Memory.alloc(256);
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// A. 写入字符串内容
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patchString(textCgiAddr, "/cgi-bin/micromsg-bin/newsendmsg");
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// B. 构建 sendTextMessageAddr 结构体 (X24 基址位置)
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sendTextMessageAddr.add(0x00).writeU64(0);
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sendTextMessageAddr.add(0x08).writeU64(0);
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sendTextMessageAddr.add(0x10).writePointer(sendMessageCallbackFunc);
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sendTextMessageAddr.add(0x18).writeU64(1);
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sendTextMessageAddr.add(0x20).writeU32(taskIdGlobal);
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sendTextMessageAddr.add(0x28).writePointer(textMessageAddr); // 指向动态分配的 Message
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console.log(" [+] sendTextMessageAddr Object: ", hexdump(sendTextMessageAddr, {
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offset: 0,
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length: 48,
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header: true,
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ansi: true
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}));
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// C. 构建 Message 结构体
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textMessageAddr.add(0x00).writePointer(messageCallbackFunc1);
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textMessageAddr.add(0x08).writeU32(taskIdGlobal);
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textMessageAddr.add(0x0c).writeU32(0x20a);
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textMessageAddr.add(0x10).writeU64(0x3);
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textMessageAddr.add(0x18).writePointer(textCgiAddr);
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textMessageAddr.add(0x20).writeU64(uint64("0x20"));
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console.log(" [+] textMessageAddr Object: ", hexdump(textMessageAddr, {
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offset: 0,
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length: 64,
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header: true,
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ansi: true
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}));
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console.log("[+] Dynamic Memory Setup Complete. - Message Object: " + textMessageAddr);
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}
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setImmediate(setupSendTextMessageDynamic);
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function patchTextProtoBuf() {
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Memory.patchCode(patchTextProtobufAddr, 4, code => {
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const cw = new Arm64Writer(code, {pc: patchTextProtobufAddr});
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cw.putNop();
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cw.flush();
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});
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console.log("[+] Patching patchTextProtobufAddr " + patchTextProtobufAddr + " 成功.");
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Memory.patchCode(PatchTextProtobufDeleteAddr, 4, code => {
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const cw = new Arm64Writer(code, {pc: PatchTextProtobufDeleteAddr});
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cw.putNop();
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cw.flush();
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});
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console.log("[+] Patching PatchTextProtobufDeleteAddr " + PatchTextProtobufDeleteAddr + " 成功.");
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}
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setTimeout(function () {
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console.log("[+] 3秒等待结束，准备执行 Patch...");
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patchTextProtoBuf();
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}, 3000);
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function triggerSendTextMessage(taskId, receiver, content, atUser) {
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console.log("[+] Manual Trigger Started...");
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if (!taskId || !receiver || !content) {
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console.error("[!] taskId or Receiver or Content is empty!");
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return "fail";
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}
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// 获取当前时间戳 (秒)
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const timestamp = Math.floor(Date.now() / 1000);
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lastSendTime = timestamp
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taskIdGlobal = taskId;
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receiverGlobal = receiver;
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contentGlobal = content;
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atUserGlobal = atUser
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console.log("taskIdGlobal: " + taskIdGlobal + ", receiverGlobal: " + receiverGlobal + ", contentGlobal: " + contentGlobal + ", atUserGlobal: " + atUserGlobal) ;
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textMessageAddr.add(0x08).writeU32(taskIdGlobal);
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sendTextMessageAddr.add(0x20).writeU32(taskIdGlobal);
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const payloadData = [
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0x0A, 0x02, 0x00, 0x00, // 0x00
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x08
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0x03, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, // 0x10
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0x40, 0xec, 0x0e, 0x12, 0x01, 0x00, 0x00, 0x00, // 0x18
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0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x20
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0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, // 0x28
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0x00, 0x01, 0x01, 0x01, 0x00, 0xAA, 0xAA, 0xAA, // 0x30
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0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, // 0x38
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0x01, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, // 0x40
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0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xAA, 0xAA, 0xAA, // 0x48
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0xFF, 0xFF, 0xFF, 0xFF, 0xAA, 0xAA, 0xAA, 0xAA, // 0x50
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x58
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0x0A, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x60
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0x64, 0x65, 0x66, 0x61, 0x75, 0x6C, 0x74, 0x2D, // 0x68 default-
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0x6C, 0x6F, 0x6E, 0x67, 0x6C, 0x69, 0x6E, 0x6B, // 0x70 longlink
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0x00, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0x10, // 0x78
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x80
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x88
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x90
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x98
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xA0
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xA8
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0x00, 0x00, 0x00, 0x00, 0xAA, 0xAA, 0xAA, 0xAA, // 0xB0
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0xC0, 0x66, 0x26, 0x73, 0x01, 0x00, 0x00, 0x00, // 0xB8
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xC0
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xC8
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xD0
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xD8
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xE0
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xE8
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xF0
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0xF8
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x100
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x108
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x110
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x118
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x120
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0x128
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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-------------------------
|