mirror of
https://github.com/a244573118/WeChatIntercept.git
synced 2026-06-14 05:25:08 +08:00
修复自己不能撤回的bug
This commit is contained in:
zhangyang131
parent
eeeec7547b
commit
be26e43549
541
patch.sh
541
patch.sh
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@ -1,170 +1,64 @@
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#!/bin/bash
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#
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# ============================================================
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# 微信防撤回一键 Patch 脚本
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# 微信防撤回一键安装脚本
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# ============================================================
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#
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# 适用版本: 微信 4.1.9 (CFBundleVersion: 268602)
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# 适用平台: macOS (Apple Silicon + Intel)
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# 依赖工具: python3, codesign, tar (macOS 系统自带)
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# 依赖工具: clang, codesign, python3 (macOS 系统自带)
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#
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# 使用方法:
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# chmod +x patch.sh # 首次使用需添加执行权限
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# ./patch.sh # 应用防撤回补丁
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# ./patch.sh --restore # 恢复原始微信（撤销补丁）
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# ./patch.sh --status # 查看当前补丁状态
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# chmod +x install.sh
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# ./install.sh # 安装防撤回
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# ./install.sh --uninstall # 卸载（恢复原始微信）
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#
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# 原理:
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# 修改 wechat.dylib 中的 isRevokeMessage() 函数，
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# 使其始终返回 false，微信将不再识别撤回通知，
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# 消息保持可见。不影响自己主动撤回消息。
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#
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# 注意:
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# - 微信更新后需要重新运行此脚本
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# - 首次运行可能需要约 30 秒（解除系统保护）
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# - 同时 patch arm64 和 x86_64，Apple Silicon 和 Intel Mac 通用
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# 通过 DYLD 注入一个运行时 hook 动态库，
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# 拦截微信的 isRevokeMessage() 函数，
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# 区分对方撤回和自己撤回：
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# - 对方撤回 → 返回 false（消息保留不被删除）
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# - 自己撤回 → 返回 true（正常处理，不会闪退）
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#
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# ============================================================
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set -e
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# ======================== 配置 ========================
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WECHAT_APP="/Applications/WeChat.app"
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DYLIB_PATH="$WECHAT_APP/Contents/Resources/wechat.dylib"
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BACKUP_DIR="$HOME/.wechat_patch_backup"
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WECHAT_BIN="$WECHAT_APP/Contents/MacOS/WeChat"
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DYLIB_DST="$WECHAT_APP/Contents/Resources/WeChatAntiRevoke.dylib"
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DYLIB_INSTALL_NAME="@executable_path/../Resources/WeChatAntiRevoke.dylib"
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EXPECTED_VERSION="268602"
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EXPECTED_VERSION_STR="4.1.9"
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# arm64 patch 参数
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ARM64_SLICE_OFFSET="0x9B18000"
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ARM64_PATCH_VA="0x44E3D50"
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ARM64_PATCH_HEX="00008052C0035FD6" # MOV W0, #0; RET (8 bytes)
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ARM64_ORIGINAL_MASK="9F000000" # ADRP 指令掩码
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ARM64_ORIGINAL_EXPECT="90000000" # ADRP 指令特征
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ARM64_PATCH_LEN=8
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# x86_64 patch 参数
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X86_SLICE_OFFSET="0x4000"
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X86_PATCH_VA="0x4AF08D0"
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X86_PATCH_HEX="31C0C3" # XOR EAX, EAX; RET (3 bytes)
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X86_ORIGINAL_HEX="488B05" # MOV RAX, [RIP+...] 前3字节
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X86_PATCH_LEN=3
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# =====================================================
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print_banner() {
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echo ""
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echo "=============================="
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echo " 微信防撤回 Patch 工具"
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echo " 适用: macOS / 微信 $EXPECTED_VERSION_STR"
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echo " 微信防撤回安装工具"
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echo " 适用: macOS / 微信 4.1.9"
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echo " 支持: Apple Silicon + Intel"
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echo "=============================="
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echo ""
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}
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print_usage() {
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echo "用法:"
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echo " $0 应用防撤回补丁"
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echo " $0 --restore 恢复原始微信"
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echo " $0 --status 查看补丁状态"
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echo " $0 --help 显示帮助"
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}
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# 检查基本环境
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check_environment() {
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# 检查 python3
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if ! command -v python3 &>/dev/null; then
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echo "[ERROR] 未找到 python3，请安装 Xcode Command Line Tools:"
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echo " xcode-select --install"
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exit 1
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fi
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# 检查微信是否存在
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if [ ! -d "$WECHAT_APP" ]; then
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echo "[ERROR] 未找到微信: $WECHAT_APP"
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exit 1
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fi
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# 检查版本
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VERSION=$(defaults read "$WECHAT_APP/Contents/Info.plist" CFBundleVersion 2>/dev/null)
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if [ "$VERSION" != "$EXPECTED_VERSION" ]; then
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echo "[ERROR] 微信版本不匹配"
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echo " 期望: $EXPECTED_VERSION ($EXPECTED_VERSION_STR)"
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echo " 实际: $VERSION"
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echo ""
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echo " 此脚本仅适用于微信 $EXPECTED_VERSION_STR 版本。"
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echo " 请确认你的微信版本，或联系脚本提供者获取对应版本的补丁。"
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echo "[ERROR] 微信版本不匹配 (期望 $EXPECTED_VERSION, 实际 $VERSION)"
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exit 1
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fi
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# 检查 wechat.dylib
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if [ ! -f "$DYLIB_PATH" ]; then
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echo "[ERROR] 未找到核心文件: $DYLIB_PATH"
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echo " 微信安装可能不完整，请重新安装微信后再试。"
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if ! command -v clang &>/dev/null; then
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echo "[ERROR] 未找到 clang，请安装 Xcode Command Line Tools:"
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echo " xcode-select --install"
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exit 1
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fi
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}
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# 获取当前 patch 状态 (同时检查两个架构)
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get_patch_status() {
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python3 -c "
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import struct
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dylib = '$DYLIB_PATH'
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arm64_off = $ARM64_SLICE_OFFSET + $ARM64_PATCH_VA
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x86_off = $X86_SLICE_OFFSET + $X86_PATCH_VA
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with open(dylib, 'rb') as f:
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# 检查 arm64
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f.seek(arm64_off)
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arm64_bytes = f.read($ARM64_PATCH_LEN)
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arm64_patched = (arm64_bytes == bytes.fromhex('$ARM64_PATCH_HEX'))
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# 检查 x86_64
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f.seek(x86_off)
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x86_bytes = f.read($X86_PATCH_LEN)
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x86_patched = (x86_bytes == bytes.fromhex('$X86_PATCH_HEX'))
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if arm64_patched and x86_patched:
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print('patched')
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elif not arm64_patched and not x86_patched:
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# 验证是否是原始字节
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insn = struct.unpack_from('<I', arm64_bytes, 0)[0]
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arm64_ok = (insn & 0x$ARM64_ORIGINAL_MASK) == 0x$ARM64_ORIGINAL_EXPECT
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x86_ok = (x86_bytes == bytes.fromhex('$X86_ORIGINAL_HEX'))
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if arm64_ok and x86_ok:
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print('original')
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else:
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print('unknown')
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elif arm64_patched or x86_patched:
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print('partial')
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else:
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print('unknown')
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" 2>/dev/null
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}
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# 保存原始字节用于恢复
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save_original_bytes() {
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mkdir -p "$BACKUP_DIR"
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python3 -c "
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dylib = '$DYLIB_PATH'
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arm64_off = $ARM64_SLICE_OFFSET + $ARM64_PATCH_VA
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x86_off = $X86_SLICE_OFFSET + $X86_PATCH_VA
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with open(dylib, 'rb') as f:
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f.seek(arm64_off)
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arm64_orig = f.read($ARM64_PATCH_LEN)
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f.seek(x86_off)
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x86_orig = f.read($X86_PATCH_LEN)
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with open('$BACKUP_DIR/arm64.bytes', 'wb') as f:
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f.write(arm64_orig)
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with open('$BACKUP_DIR/x86_64.bytes', 'wb') as f:
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f.write(x86_orig)
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print('saved')
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" 2>/dev/null
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}
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# 关闭微信
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kill_wechat() {
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if pgrep -x WeChat >/dev/null 2>&1; then
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echo "[INFO] 关闭微信..."
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@ -173,252 +67,259 @@ kill_wechat() {
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fi
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}
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# 解除 provenance 保护
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remove_provenance() {
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echo "[INFO] 检测到系统保护，正在解除..."
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echo "[INFO] 重建 WeChat.app 中（约 30 秒）..."
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echo "[INFO] 解除系统文件保护（约 30 秒）..."
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TMP_DIR=$(mktemp -d)
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tar --no-xattrs -cf - -C /Applications WeChat.app | tar -xf - -C "$TMP_DIR/"
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rm -rf "$WECHAT_APP"
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mv "$TMP_DIR/WeChat.app" "$WECHAT_APP"
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rm -rf "$TMP_DIR"
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echo "[INFO] 系统保护已解除"
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echo "[INFO] 保护已解除"
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}
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# 写入 patch 字节 (同时 patch 两个架构)
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write_patch() {
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python3 -c "
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compile_dylib() {
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echo "[INFO] 编译 hook 动态库..."
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# 内嵌 hook.m 源码
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local SRC_FILE=$(mktemp /tmp/hook_XXXXXX.m)
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cat > "$SRC_FILE" << 'HOOK_SOURCE'
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#import <Foundation/Foundation.h>
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#import <mach-o/dyld.h>
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#import <mach/mach.h>
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#import <sys/mman.h>
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#import <stdint.h>
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static const uintptr_t kSlotVA = 0x9301838;
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static const char *kDylibSuffix = "Resources/wechat.dylib";
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static const int kMsgTypeOffset = 0x0C;
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static const int kRevokeType = 0x2712;
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static _Bool hook_isRevokeMessage(void *msg) {
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if (msg == NULL) return 0;
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int32_t msgType = *(int32_t *)((uint8_t *)msg + kMsgTypeOffset);
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if (msgType != kRevokeType) return 0;
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uint32_t field18 = *(uint32_t *)((uint8_t *)msg + 0x18);
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if (field18 == 0x64697877) return 0; // "wxid" = 对方撤回 → 阻止
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return 1; // 自己撤回 → 放行
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}
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static uintptr_t find_wechat_slide(void) {
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uint32_t count = _dyld_image_count();
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for (uint32_t i = 0; i < count; i++) {
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const char *name = _dyld_get_image_name(i);
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if (name == NULL) continue;
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size_t len = strlen(name);
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size_t suffixLen = strlen(kDylibSuffix);
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if (len >= suffixLen && strcmp(name + len - suffixLen, kDylibSuffix) == 0)
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return (uintptr_t)_dyld_get_image_vmaddr_slide(i);
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}
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return 0;
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}
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__attribute__((constructor))
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static void hook_init(void) {
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.0 * NSEC_PER_SEC)),
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dispatch_get_main_queue(), ^{
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uintptr_t slide = find_wechat_slide();
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if (slide == 0) return;
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void **slot = (void **)(slide + kSlotVA);
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uintptr_t page = (uintptr_t)slot & ~0x3FFF;
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vm_protect(mach_task_self(), (vm_address_t)page, 0x4000, 0, VM_PROT_READ | VM_PROT_WRITE);
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*slot = (void *)&hook_isRevokeMessage;
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});
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}
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HOOK_SOURCE
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clang -arch arm64 -arch x86_64 -shared -framework Foundation \
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-o "$DYLIB_DST" \
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-install_name "$DYLIB_INSTALL_NAME" \
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"$SRC_FILE" 2>&1
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rm -f "$SRC_FILE"
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if [ ! -f "$DYLIB_DST" ]; then
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echo "[ERROR] 编译失败"
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exit 1
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fi
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echo "[INFO] 编译成功"
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}
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inject_dylib() {
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echo "[INFO] 注入动态库到微信..."
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python3 << 'INJECT_SCRIPT'
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import struct
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dylib = '$DYLIB_PATH'
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arm64_off = $ARM64_SLICE_OFFSET + $ARM64_PATCH_VA
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x86_off = $X86_SLICE_OFFSET + $X86_PATCH_VA
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arm64_patch = bytes.fromhex('$ARM64_PATCH_HEX')
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x86_patch = bytes.fromhex('$X86_PATCH_HEX')
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wechat_path = '/Applications/WeChat.app/Contents/MacOS/WeChat'
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dylib_name = b'@executable_path/../Resources/WeChatAntiRevoke.dylib\x00'
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while len(dylib_name) % 4 != 0:
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dylib_name += b'\x00'
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try:
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with open(dylib, 'r+b') as f:
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# 验证 arm64 原始字节
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f.seek(arm64_off)
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arm64_orig = f.read(4)
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insn = struct.unpack_from('<I', arm64_orig, 0)[0]
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if (insn & 0x$ARM64_ORIGINAL_MASK) != 0x$ARM64_ORIGINAL_EXPECT:
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# 可能已经 patch 过
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if arm64_orig[:len(arm64_patch)] == arm64_patch[:4]:
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pass # 已 patch，继续处理 x86
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else:
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print('bad_arm64')
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exit()
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cmd_size = 24 + len(dylib_name)
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while cmd_size % 4 != 0:
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cmd_size += 1
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dylib_name += b'\x00'
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# 验证 x86_64 原始字节
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f.seek(x86_off)
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x86_orig = f.read(3)
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if x86_orig != bytes.fromhex('$X86_ORIGINAL_HEX'):
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if x86_orig == x86_patch:
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pass # 已 patch
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else:
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print('bad_x86')
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exit()
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with open(wechat_path, 'r+b') as f:
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fat_magic = struct.unpack('>I', f.read(4))[0]
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assert fat_magic == 0xCAFEBABE
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narch = struct.unpack('>I', f.read(4))[0]
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# 写入 arm64 patch
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f.seek(arm64_off)
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f.write(arm64_patch)
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slices = []
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for i in range(narch):
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cpu = struct.unpack('>I', f.read(4))[0]
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sub = struct.unpack('>I', f.read(4))[0]
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offset = struct.unpack('>I', f.read(4))[0]
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size = struct.unpack('>I', f.read(4))[0]
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align = struct.unpack('>I', f.read(4))[0]
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slices.append((cpu, offset, size))
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# 写入 x86_64 patch
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f.seek(x86_off)
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f.write(x86_patch)
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for cpu, slice_offset, size in slices:
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f.seek(slice_offset)
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magic = struct.unpack('<I', f.read(4))[0]
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if magic != 0xFEEDFACF:
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continue
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f.read(12)
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ncmds_pos = f.tell()
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ncmds = struct.unpack('<I', f.read(4))[0]
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sizeofcmds_pos = f.tell()
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sizeofcmds = struct.unpack('<I', f.read(4))[0]
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f.read(8)
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print('ok')
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except PermissionError:
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print('permission_denied')
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except Exception as e:
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print(f'error:{e}')
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" 2>/dev/null
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# Check if already injected
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header_end = slice_offset + 32
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f.seek(header_end)
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already = False
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for i in range(ncmds):
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pos = f.tell()
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cmd = struct.unpack('<I', f.read(4))[0]
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cs = struct.unpack('<I', f.read(4))[0]
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if cmd == 0xC:
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no = struct.unpack('<I', f.read(4))[0]
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f.seek(pos + no)
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name = b''
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while True:
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b = f.read(1)
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if b == b'\x00': break
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name += b
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if b'WeChatAntiRevoke' in name:
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already = True
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break
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f.seek(pos + cs)
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if already:
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continue
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insert_pos = slice_offset + 32 + sizeofcmds
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lc = struct.pack('<I', 0xC)
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lc += struct.pack('<I', cmd_size)
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lc += struct.pack('<I', 24)
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lc += struct.pack('<I', 2)
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lc += struct.pack('<I', 0x10000)
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lc += struct.pack('<I', 0x10000)
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lc += dylib_name
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while len(lc) < cmd_size:
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lc += b'\x00'
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f.seek(insert_pos)
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f.write(lc)
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f.seek(ncmds_pos)
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f.write(struct.pack('<I', ncmds + 1))
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f.seek(sizeofcmds_pos)
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f.write(struct.pack('<I', sizeofcmds + cmd_size))
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print("ok")
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||||
INJECT_SCRIPT
|
||||
|
||||
echo "[INFO] 注入完成"
|
||||
}
|
||||
|
||||
# 恢复原始字节
|
||||
write_restore() {
|
||||
python3 -c "
|
||||
dylib = '$DYLIB_PATH'
|
||||
arm64_off = $ARM64_SLICE_OFFSET + $ARM64_PATCH_VA
|
||||
x86_off = $X86_SLICE_OFFSET + $X86_PATCH_VA
|
||||
|
||||
try:
|
||||
with open('$BACKUP_DIR/arm64.bytes', 'rb') as f:
|
||||
arm64_orig = f.read()
|
||||
with open('$BACKUP_DIR/x86_64.bytes', 'rb') as f:
|
||||
x86_orig = f.read()
|
||||
|
||||
with open(dylib, 'r+b') as f:
|
||||
f.seek(arm64_off)
|
||||
f.write(arm64_orig)
|
||||
f.seek(x86_off)
|
||||
f.write(x86_orig)
|
||||
|
||||
print('ok')
|
||||
except PermissionError:
|
||||
print('permission_denied')
|
||||
except FileNotFoundError as e:
|
||||
print('no_backup')
|
||||
except Exception as e:
|
||||
print(f'error:{e}')
|
||||
" 2>/dev/null
|
||||
}
|
||||
|
||||
# 重签名
|
||||
resign_app() {
|
||||
echo "[INFO] 重签名..."
|
||||
codesign --force --sign - "$DYLIB_PATH" 2>/dev/null
|
||||
codesign --force --sign - "$DYLIB_DST" 2>/dev/null
|
||||
codesign --force --sign - "$WECHAT_BIN" 2>/dev/null
|
||||
codesign --force --deep --sign - "$WECHAT_APP" 2>/dev/null
|
||||
xattr -cr "$WECHAT_APP" 2>/dev/null || true
|
||||
}
|
||||
|
||||
# ======================== 主命令: patch ========================
|
||||
do_patch() {
|
||||
do_install() {
|
||||
print_banner
|
||||
check_environment
|
||||
|
||||
echo "[INFO] 微信版本: $EXPECTED_VERSION_STR ($EXPECTED_VERSION)"
|
||||
echo "[INFO] 当前架构: $(uname -m)"
|
||||
echo "[INFO] 微信版本: 4.1.9 ($EXPECTED_VERSION)"
|
||||
|
||||
STATUS=$(get_patch_status)
|
||||
if [ "$STATUS" = "patched" ]; then
|
||||
echo "[INFO] 防撤回补丁已生效，无需重复操作。"
|
||||
echo ""
|
||||
echo "[DONE] 直接打开微信即可: open /Applications/WeChat.app"
|
||||
exit 0
|
||||
# 检查是否已安装
|
||||
if [ -f "$DYLIB_DST" ]; then
|
||||
echo "[INFO] 检测到已安装，将重新安装..."
|
||||
fi
|
||||
|
||||
kill_wechat
|
||||
|
||||
# 保存原始字节
|
||||
save_original_bytes
|
||||
|
||||
# 尝试写入
|
||||
echo "[INFO] 正在应用补丁 (arm64 + x86_64)..."
|
||||
RESULT=$(write_patch)
|
||||
|
||||
# 如果权限不够，解除保护后重试
|
||||
if [ "$RESULT" = "permission_denied" ]; then
|
||||
# 尝试写入测试
|
||||
if ! touch "$DYLIB_DST" 2>/dev/null; then
|
||||
remove_provenance
|
||||
RESULT=$(write_patch)
|
||||
fi
|
||||
rm -f "$DYLIB_DST" 2>/dev/null || true
|
||||
|
||||
if [ "$RESULT" != "ok" ]; then
|
||||
echo "[ERROR] 补丁写入失败: $RESULT"
|
||||
echo " 请确认微信未在运行，或尝试重新安装微信后再试。"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# 重签名
|
||||
compile_dylib
|
||||
inject_dylib
|
||||
resign_app
|
||||
|
||||
# 验证
|
||||
if [ "$(get_patch_status)" = "patched" ]; then
|
||||
echo ""
|
||||
echo "=============================="
|
||||
echo " 补丁成功！防撤回已生效"
|
||||
echo "=============================="
|
||||
echo ""
|
||||
echo " 打开微信: open /Applications/WeChat.app"
|
||||
echo ""
|
||||
echo " 恢复原始: $0 --restore"
|
||||
echo " 查看状态: $0 --status"
|
||||
echo ""
|
||||
echo ""
|
||||
echo "=============================="
|
||||
echo " 安装成功！"
|
||||
echo "=============================="
|
||||
echo ""
|
||||
echo " 功能: 对方撤回的消息将保留可见"
|
||||
echo " 自己撤回消息正常工作"
|
||||
echo ""
|
||||
echo " 打开微信: open /Applications/WeChat.app"
|
||||
echo " 卸载: $0 --uninstall"
|
||||
echo ""
|
||||
}
|
||||
|
||||
do_uninstall() {
|
||||
print_banner
|
||||
echo "[INFO] 卸载防撤回插件..."
|
||||
|
||||
kill_wechat
|
||||
|
||||
# 删除 dylib
|
||||
rm -f "$DYLIB_DST" 2>/dev/null || true
|
||||
|
||||
# 重新安装微信是最干净的卸载方式
|
||||
echo "[INFO] 建议重新安装微信以完全恢复原始状态"
|
||||
echo "[INFO] 或者删除 $DYLIB_DST 并重新签名"
|
||||
|
||||
if [ -f "$DYLIB_DST" ]; then
|
||||
echo "[WARN] 无法删除 dylib，请手动重新安装微信"
|
||||
else
|
||||
echo "[ERROR] 补丁验证失败!"
|
||||
exit 1
|
||||
resign_app 2>/dev/null || true
|
||||
echo ""
|
||||
echo "=============================="
|
||||
echo " 已卸载（dylib 已删除）"
|
||||
echo " 建议重新安装微信以彻底恢复"
|
||||
echo "=============================="
|
||||
fi
|
||||
}
|
||||
|
||||
# ======================== 主命令: restore ========================
|
||||
do_restore() {
|
||||
print_banner
|
||||
check_environment
|
||||
|
||||
STATUS=$(get_patch_status)
|
||||
if [ "$STATUS" = "original" ]; then
|
||||
echo "[INFO] 微信未被修改，无需恢复。"
|
||||
exit 0
|
||||
fi
|
||||
|
||||
if [ ! -f "$BACKUP_DIR/arm64.bytes" ] || [ ! -f "$BACKUP_DIR/x86_64.bytes" ]; then
|
||||
echo "[ERROR] 未找到备份文件: $BACKUP_DIR/"
|
||||
echo " 无法恢复。建议重新安装微信。"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
kill_wechat
|
||||
|
||||
echo "[INFO] 正在恢复原始微信..."
|
||||
|
||||
RESULT=$(write_restore)
|
||||
|
||||
if [ "$RESULT" = "permission_denied" ]; then
|
||||
remove_provenance
|
||||
RESULT=$(write_restore)
|
||||
fi
|
||||
|
||||
if [ "$RESULT" != "ok" ]; then
|
||||
echo "[ERROR] 恢复失败: $RESULT"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
resign_app
|
||||
|
||||
echo ""
|
||||
echo "=============================="
|
||||
echo " 已恢复原始微信"
|
||||
echo "=============================="
|
||||
echo ""
|
||||
}
|
||||
|
||||
# ======================== 主命令: status ========================
|
||||
do_status() {
|
||||
print_banner
|
||||
check_environment
|
||||
|
||||
STATUS=$(get_patch_status)
|
||||
echo "[INFO] 微信版本: $EXPECTED_VERSION_STR ($EXPECTED_VERSION)"
|
||||
echo "[INFO] 当前架构: $(uname -m)"
|
||||
case "$STATUS" in
|
||||
patched)
|
||||
echo "[INFO] 补丁状态: 已生效 (arm64 + x86_64 均已 patch)"
|
||||
;;
|
||||
partial)
|
||||
echo "[WARN] 补丁状态: 部分生效 (建议重新运行 $0)"
|
||||
;;
|
||||
original)
|
||||
echo "[INFO] 补丁状态: 未应用 (原始状态)"
|
||||
;;
|
||||
*)
|
||||
echo "[WARN] 补丁状态: 未知 (文件可能被其他工具修改)"
|
||||
;;
|
||||
esac
|
||||
echo ""
|
||||
}
|
||||
|
||||
# ======================== 入口 ========================
|
||||
case "${1:-}" in
|
||||
--restore|-r)
|
||||
do_restore
|
||||
;;
|
||||
--status|-s)
|
||||
do_status
|
||||
--uninstall|-u)
|
||||
do_uninstall
|
||||
;;
|
||||
--help|-h)
|
||||
print_banner
|
||||
print_usage
|
||||
echo "用法:"
|
||||
echo " $0 安装防撤回"
|
||||
echo " $0 --uninstall 卸载"
|
||||
echo " $0 --help 帮助"
|
||||
;;
|
||||
"")
|
||||
do_patch
|
||||
do_install
|
||||
;;
|
||||
*)
|
||||
echo "[ERROR] 未知参数: $1"
|
||||
echo ""
|
||||
print_usage
|
||||
exit 1
|
||||
;;
|
||||
esac
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user