mirror of
https://github.com/laomms/wxhelper.git
synced 2024-12-23 12:19:21 +08:00
111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
#include "wxutils.h"
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#include "utils.h"
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#define BUFSIZE 1024
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#define JPEG0 0xFF
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#define JPEG1 0xD8
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#define JPEG2 0xFF
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#define PNG0 0x89
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#define PNG1 0x50
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#define PNG2 0x4E
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#define BMP0 0x42
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#define BMP1 0x4D
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#define GIF0 0x47
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#define GIF1 0x49
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#define GIF2 0x46
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namespace wxhelper {
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namespace wxutils {
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#ifdef _WIN64
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int64_t GetWeChatWinBase() {
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return (int64_t)GetModuleHandleA("WeChatWin.dll");
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}
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#else
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int32_t GetWeChatWinBase() {
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return (int32_t)GetModuleHandleA("WeChatWin.dll");
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}
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#endif
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std::string ReadSKBuiltinString(INT64 addr) {
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INT64 inner_string = *(INT64 *)(addr + 0x8);
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if (inner_string == 0) {
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return std::string();
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}
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return ReadWeChatStr(inner_string);
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}
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std::string ReadSKBuiltinBuffer(INT64 addr) {
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INT64 len = *(INT64 *)(addr + 0x10);
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if (len == 0) {
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return std::string();
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}
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INT64 inner_string = *(INT64 *)(addr + 0x8);
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if (inner_string == 0) {
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return std::string();
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}
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return ReadWeChatStr(inner_string);
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}
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std::string ReadWeChatStr(INT64 addr) {
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INT64 len = *(INT64 *)(addr + 0x10);
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if (len == 0) {
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return std::string();
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}
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INT64 max_len = *(INT64 *)(addr + 0x18);
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if ((max_len | 0xF) == 0xF) {
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return std::string((char *)addr, len);
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}
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char *char_from_user = *(char **)(addr);
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return std::string(char_from_user, len);
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}
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std::string ImageXor(std::string buf) {
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const char *origin = buf.c_str();
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short key = 0;
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if ((*origin ^ JPEG0) == (*(origin + 1) ^ JPEG1)) {
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key = *origin ^ JPEG0;
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} else if ((*origin ^ PNG1) == (*(origin + 1) ^ PNG2)) {
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key = *origin ^ PNG1;
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} else if ((*origin ^ GIF0) == (*(origin + 1) ^ GIF1)) {
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key = *origin ^ GIF0;
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} else if ((*origin ^ BMP0) == (*(origin + 1) ^ BMP1)) {
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key = *origin ^ BMP0;
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} else {
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key = -1;
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}
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if (key > 0) {
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char *img_buf = new char[buf.size()];
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for (unsigned int i = 0; i < buf.size(); i++) {
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img_buf[i] = *(origin + i) ^ key;
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}
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std::string str(img_buf);
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delete[] img_buf;
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img_buf = NULL;
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return str;
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}
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return std::string();
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}
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std::wstring ReadWstring(INT64 addr) {
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DWORD len = *(DWORD *)(addr + 0x8);
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if (len == 0) {
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return std::wstring();
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}
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wchar_t *str = *(wchar_t **)(addr);
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if (str == NULL) {
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return std::wstring();
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}
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return std::wstring(str, len);
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}
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std::string ReadWstringThenConvert(INT64 addr) {
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std::wstring wstr = ReadWstring(addr);
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return base::utils::WstringToUtf8(wstr);
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}
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int DecodeImage(const wchar_t *file_path, const wchar_t *save_dir) {
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return -1;
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}
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} // namespace wxutils
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} // namespace wxhelper
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