#define UNICODE #define _UNICODE #define ANONYMOUSUNIONS #include #include #define INCLUDE_THE_DDK_HEADERS #ifdef INCLUDE_THE_DDK_HEADERS #include #define ROS_ACE_HEADER ACE_HEADER #define ROS_ACE ACE // // Allocate the System Luid. The first 1000 LUIDs are reserved. // Use #999 here (0x3E7 = 999) // #define SYSTEM_LUID { 0x3E7, 0x0 } #define ANONYMOUS_LOGON_LUID { 0x3e6, 0x0 } #define LOCALSERVICE_LUID { 0x3e5, 0x0 } #define NETWORKSERVICE_LUID { 0x3e4, 0x0 } #else typedef LONG NTSTATUS, *PNTSTATUS; typedef struct _UNICODE_STRING { USHORT Length; USHORT MaximumLength; PWSTR Buffer; } UNICODE_STRING, *PUNICODE_STRING; typedef struct _OBJECT_ATTRIBUTES { ULONG Length; HANDLE RootDirectory; PUNICODE_STRING ObjectName; ULONG Attributes; PVOID SecurityDescriptor; // Points to type SECURITY_DESCRIPTOR PVOID SecurityQualityOfService; // Points to type SECURITY_QUALITY_OF_SERVICE } OBJECT_ATTRIBUTES; typedef OBJECT_ATTRIBUTES *POBJECT_ATTRIBUTES; typedef struct _ROS_ACE_HEADER { CHAR AceType; CHAR AceFlags; USHORT AceSize; } ROS_ACE_HEADER, *PROS_ACE_HEADER; typedef struct { ACE_HEADER Header; ACCESS_MASK AccessMask; } ROS_ACE, *PROS_ACE; NTSYSAPI NTSTATUS NTAPI RtlConvertSidToUnicodeString ( IN OUT PUNICODE_STRING String, IN PSID Sid, IN BOOLEAN AllocateString ); NTSYSAPI NTSTATUS NTAPI RtlCreateAcl( PACL Acl, ULONG AclSize, ULONG AclRevision); NTSYSAPI NTSTATUS NTAPI RtlAddAccessAllowedAce ( PACL Acl, ULONG Revision, ACCESS_MASK AccessMask, PSID Sid ); NTSYSAPI NTSTATUS NTAPI RtlGetAce ( PACL Acl, ULONG AceIndex, PROS_ACE *Ace ); NTSYSAPI NTSTATUS NTAPI ZwAllocateLocallyUniqueId( OUT PLUID Luid ); NTSYSAPI NTSTATUS NTAPI ZwCreateToken( OUT PHANDLE TokenHandle, IN ACCESS_MASK DesiredAccess, IN POBJECT_ATTRIBUTES ObjectAttributes, IN TOKEN_TYPE TokenType, IN PLUID AuthenticationId, IN PLARGE_INTEGER ExpirationTime, IN PTOKEN_USER TokenUser, IN PTOKEN_GROUPS TokenGroups, IN PTOKEN_PRIVILEGES TokenPrivileges, IN PTOKEN_OWNER TokenOwner, IN PTOKEN_PRIMARY_GROUP TokenPrimaryGroup, IN PTOKEN_DEFAULT_DACL TokenDefaultDacl, IN PTOKEN_SOURCE TokenSource ); #define NT_SUCCESS(StatCode) ((NTSTATUS)(StatCode) >= 0) #endif #include #define INITIAL_PRIV_ENABLED SE_PRIVILEGE_ENABLED_BY_DEFAULT|SE_PRIVILEGE_ENABLED #define INITIAL_PRIV_DISABLED 0 LUID_AND_ATTRIBUTES InitialPrivilegeSet[] = { { { 0x00000007, 0x00000000 }, INITIAL_PRIV_ENABLED }, // SeTcbPrivilege { { 0x00000002, 0x00000000 }, INITIAL_PRIV_DISABLED }, // SeCreateTokenPrivilege { { 0x00000009, 0x00000000 }, INITIAL_PRIV_DISABLED }, // SeTakeOwnershipPrivilege { { 0x0000000f, 0x00000000 }, INITIAL_PRIV_ENABLED }, // SeCreatePagefilePrivilege { { 0x00000004, 0x00000000 }, INITIAL_PRIV_ENABLED }, // SeLockMemoryPrivilege { { 0x00000003, 0x00000000 }, INITIAL_PRIV_DISABLED }, // SeAssignPrimaryTokenPrivilege { { 0x00000005, 0x00000000 }, INITIAL_PRIV_DISABLED }, // SeIncreaseQuotaPrivilege { { 0x0000000e, 0x00000000 }, INITIAL_PRIV_ENABLED }, // SeIncreaseBasePriorityPrivilege { { 0x00000010, 0x00000000 }, INITIAL_PRIV_ENABLED }, // SeCreatePermanentPrivilege { { 0x00000014, 0x00000000 }, INITIAL_PRIV_ENABLED }, // SeDebugPrivilege { { 0x00000015, 0x00000000 }, INITIAL_PRIV_ENABLED }, // SeAuditPrivilege { { 0x00000008, 0x00000000 }, INITIAL_PRIV_DISABLED }, // SeSecurityPrivilege { { 0x00000016, 0x00000000 }, INITIAL_PRIV_DISABLED }, // SeSystemEnvironmentPrivilege { { 0x00000017, 0x00000000 }, INITIAL_PRIV_ENABLED }, // SeChangeNotifyPrivilege { { 0x00000011, 0x00000000 }, INITIAL_PRIV_DISABLED }, // SeBackupPrivilege { { 0x00000012, 0x00000000 }, INITIAL_PRIV_DISABLED }, // SeRestorePrivilege { { 0x00000013, 0x00000000 }, INITIAL_PRIV_DISABLED }, // SeShutdownPrivilege { { 0x0000000a, 0x00000000 }, INITIAL_PRIV_DISABLED }, // SeLoadDriverPrivilege { { 0x0000000d, 0x00000000 }, INITIAL_PRIV_ENABLED }, // SeProfileSingleProcessPrivilege { { 0x0000000c, 0x00000000 }, INITIAL_PRIV_DISABLED }, // SeSystemtimePrivilege { { 0x00000019, 0x00000000 }, INITIAL_PRIV_DISABLED }, // SeUndockPrivilege { { 0x0000001c, 0x00000000 }, INITIAL_PRIV_DISABLED }, // SeManageVolumePrivilege }; typedef struct _SID_2 { UCHAR Revision; UCHAR SubAuthorityCount; SID_IDENTIFIER_AUTHORITY IdentifierAuthority; ULONG SubAuthority[2]; } SID_2; //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ void PrintSid(SID_AND_ATTRIBUTES* pSid, TOKEN_OWNER* pOwner, TOKEN_PRIMARY_GROUP* pPrimary) { UNICODE_STRING scSid; RtlConvertSidToUnicodeString(&scSid, pSid->Sid, TRUE); printf("%wZ [", &scSid); LocalFree(scSid.Buffer); if ( EqualSid(pSid->Sid, pOwner->Owner) ) printf("owner,"); if ( EqualSid(pSid->Sid, pPrimary->PrimaryGroup) ) printf("primary,"); if ( pSid->Attributes & SE_GROUP_ENABLED ) { if ( pSid->Attributes & SE_GROUP_ENABLED_BY_DEFAULT ) printf("enabled-default,"); else printf("enabled,"); } if ( pSid->Attributes & SE_GROUP_LOGON_ID ) printf("logon,"); if ( pSid->Attributes & SE_GROUP_MANDATORY ) printf("mandatory,"); printf("]\n"); } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ void DisplayTokenSids(TOKEN_USER* pUser, TOKEN_GROUPS* pGroups, TOKEN_OWNER* pOwner, TOKEN_PRIMARY_GROUP* pPrimary) { DWORD i; printf("\nSids:\n"); PrintSid(&pUser->User, pOwner, pPrimary); printf("\nGroups:\n"); for (i = 0; i < pGroups->GroupCount; i++) PrintSid(&pGroups->Groups[i], pOwner, pPrimary); } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ void DisplayTokenPrivileges(TOKEN_PRIVILEGES* pPriv) { WCHAR buffer[256]; DWORD i; printf("\nprivileges:\n"); for (i = 0; i < pPriv->PrivilegeCount; i++) { DWORD cbName = sizeof(buffer) / sizeof(buffer[0]); LookupPrivilegeName(0, &pPriv->Privileges[i].Luid, buffer, &cbName); printf("%S{0x%08x, 0x%08x} [", buffer, pPriv->Privileges[i].Luid.HighPart, pPriv->Privileges[i].Luid.LowPart); if ( pPriv->Privileges[i].Attributes & SE_PRIVILEGE_ENABLED ) printf("enabled,"); if ( pPriv->Privileges[i].Attributes & SE_PRIVILEGE_ENABLED_BY_DEFAULT ) printf("default,"); if ( pPriv->Privileges[i].Attributes & SE_PRIVILEGE_USED_FOR_ACCESS ) printf("used"); printf("]\n"); } } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ void DisplayDacl(PACL pAcl) { DWORD i; NTSTATUS status; if ( ! pAcl ) { printf("\nNo Default Dacl.\n"); return; } printf("\nDacl:\n"); for (i = 0; i < pAcl->AceCount; i++) { UNICODE_STRING scSid; ROS_ACE* pAce; LPWSTR wszType = 0; PSID pSid; status = RtlGetAce(pAcl, i, (ROS_ACE**) &pAce); if ( ! NT_SUCCESS(status) ) { printf("RtlGetAce(): status = 0x%08x\n", status); break; } pSid = (PSID) (pAce + 1); if ( pAce->Header.AceType == ACCESS_ALLOWED_ACE_TYPE ) wszType = L"allow"; if ( pAce->Header.AceType == ACCESS_DENIED_ACE_TYPE ) wszType = L"deny "; status = RtlConvertSidToUnicodeString(&scSid, pSid, TRUE); if ( ! NT_SUCCESS(status) ) { printf("RtlConvertSidToUnicodeString(): status = 0x%08x\n", status); break; } printf("%d.) %S %wZ 0x%08x\n", i, wszType, &scSid, pAce->AccessMask); LocalFree(scSid.Buffer); } } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ PVOID GetFromToken(HANDLE hToken, TOKEN_INFORMATION_CLASS tic) { BOOL bResult; DWORD n; PBYTE p = 0; bResult = GetTokenInformation(hToken, tic, 0, 0, &n); if ( ! bResult && GetLastError() != ERROR_INSUFFICIENT_BUFFER) return 0; p = (PBYTE) malloc(n); if ( ! GetTokenInformation(hToken, tic, p, n, &n) ) { printf("GetFromToken() failed for TOKEN_INFORMATION_CLASS(%d): %d\n", tic, GetLastError()); free(p); return 0; } return p; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ void DisplayToken(HANDLE hTokenSource) { TOKEN_USER* pTokenUser = (PTOKEN_USER) GetFromToken(hTokenSource, TokenUser); TOKEN_GROUPS* pTokenGroups = (PTOKEN_GROUPS) GetFromToken(hTokenSource, TokenGroups); TOKEN_OWNER* pTokenOwner = (PTOKEN_OWNER) GetFromToken(hTokenSource, TokenOwner); TOKEN_PRIMARY_GROUP* pTokenPrimaryGroup = (PTOKEN_PRIMARY_GROUP) GetFromToken(hTokenSource, TokenPrimaryGroup); TOKEN_PRIVILEGES* pTokenPrivileges = (PTOKEN_PRIVILEGES) GetFromToken(hTokenSource, TokenPrivileges); TOKEN_DEFAULT_DACL* pTokenDefaultDacl = (PTOKEN_DEFAULT_DACL) GetFromToken(hTokenSource, TokenDefaultDacl); DisplayTokenSids(pTokenUser, pTokenGroups, pTokenOwner, pTokenPrimaryGroup); // DisplayTokenPrivileges(pTokenPrivileges); DisplayDacl(pTokenDefaultDacl->DefaultDacl); free(pTokenUser); free(pTokenGroups); free(pTokenOwner); free(pTokenPrimaryGroup); free(pTokenPrivileges); free(pTokenDefaultDacl); } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ BOOL EnablePrivilege(LPWSTR wszName) { HANDLE hToken; TOKEN_PRIVILEGES priv = {1, {{{0, 0}, SE_PRIVILEGE_ENABLED}}}; BOOL bResult; LookupPrivilegeValue(0, wszName, &priv.Privileges[0].Luid); OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken); AdjustTokenPrivileges(hToken, FALSE, &priv, sizeof priv, 0, 0); bResult = GetLastError() == ERROR_SUCCESS; CloseHandle(hToken); return bResult; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ NTSTATUS CreateInitialSystemToken(HANDLE* phSystemToken) { static SID sidSystem = { 1, 1, {SECURITY_NT_AUTHORITY}, {SECURITY_LOCAL_SYSTEM_RID} }; static SID sidEveryone = { 1, 1, {SECURITY_WORLD_SID_AUTHORITY}, {SECURITY_WORLD_RID} }; static SID sidAuthenticatedUser = { 1, 1, {SECURITY_NT_AUTHORITY}, {SECURITY_AUTHENTICATED_USER_RID} }; static SID_2 sidAdministrators = { 1, 2, {SECURITY_NT_AUTHORITY}, {SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS} }; static const int nGroupCount = 3; NTSTATUS status; ULONG uSize; DWORD i; TOKEN_USER tkUser; TOKEN_OWNER tkDefaultOwner; TOKEN_PRIMARY_GROUP tkPrimaryGroup; TOKEN_GROUPS* ptkGroups = 0; TOKEN_PRIVILEGES* ptkPrivileges = 0; TOKEN_DEFAULT_DACL tkDefaultDacl = { 0 }; LARGE_INTEGER tkExpiration; LUID authId = SYSTEM_LUID; TOKEN_SOURCE source = { { '*', '*', 'A', 'N', 'O', 'N', '*', '*' }, {0, 0} }; SECURITY_QUALITY_OF_SERVICE sqos = { sizeof(sqos), SecurityAnonymous, SECURITY_STATIC_TRACKING, FALSE }; OBJECT_ATTRIBUTES oa = { sizeof(oa), 0, 0, 0, 0, &sqos }; tkExpiration.QuadPart = -1; status = ZwAllocateLocallyUniqueId(&source.SourceIdentifier); if ( status != 0 ) return status; tkUser.User.Sid = &sidSystem; tkUser.User.Attributes = 0; // Under WinXP (the only MS OS I've tested) ZwCreateToken() // squawks if we use sidAdministrators here -- though running // a progrem under AT and using the DisplayToken() function // shows that the system token does default ownership to // Administrator. // For now, default ownership to system, since that works tkDefaultOwner.Owner = &sidSystem; tkPrimaryGroup.PrimaryGroup = &sidSystem; uSize = sizeof(TOKEN_GROUPS) - sizeof(ptkGroups->Groups); uSize += sizeof(SID_AND_ATTRIBUTES) * nGroupCount; ptkGroups = (TOKEN_GROUPS*) malloc(uSize); ptkGroups->GroupCount = nGroupCount; ptkGroups->Groups[0].Sid = (SID*) &sidAdministrators; ptkGroups->Groups[0].Attributes = SE_GROUP_ENABLED; ptkGroups->Groups[1].Sid = &sidEveryone; ptkGroups->Groups[1].Attributes = SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY; ptkGroups->Groups[2].Sid = &sidAuthenticatedUser; ptkGroups->Groups[2].Attributes = SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY; uSize = sizeof(TOKEN_PRIVILEGES) - sizeof(ptkPrivileges->Privileges); uSize += sizeof(LUID_AND_ATTRIBUTES) * sizeof(InitialPrivilegeSet) / sizeof(InitialPrivilegeSet[0]); ptkPrivileges = (TOKEN_PRIVILEGES*) malloc(uSize); ptkPrivileges->PrivilegeCount = sizeof(InitialPrivilegeSet) / sizeof(InitialPrivilegeSet[0]); for (i = 0; i < ptkPrivileges->PrivilegeCount; i++) { ptkPrivileges->Privileges[i].Luid.HighPart = InitialPrivilegeSet[i].Luid.HighPart; ptkPrivileges->Privileges[i].Luid.LowPart = InitialPrivilegeSet[i].Luid.LowPart; ptkPrivileges->Privileges[i].Attributes = InitialPrivilegeSet[i].Attributes; } // Calculate the length needed for the ACL uSize = sizeof(ACL); uSize += sizeof(ACE) + sizeof(sidSystem); uSize += sizeof(ACE) + sizeof(sidAdministrators); uSize = (uSize & (~3)) + 8; tkDefaultDacl.DefaultDacl = (PACL) malloc(uSize); status = RtlCreateAcl(tkDefaultDacl.DefaultDacl, uSize, ACL_REVISION); if ( ! NT_SUCCESS(status) ) printf("RtlCreateAcl() failed: 0x%08x\n", status); status = RtlAddAccessAllowedAce(tkDefaultDacl.DefaultDacl, ACL_REVISION, GENERIC_ALL, &sidSystem); if ( ! NT_SUCCESS(status) ) printf("RtlAddAccessAllowedAce() failed: 0x%08x\n", status); status = RtlAddAccessAllowedAce(tkDefaultDacl.DefaultDacl, ACL_REVISION, GENERIC_READ|GENERIC_EXECUTE|READ_CONTROL, (PSID) &sidAdministrators); if ( ! NT_SUCCESS(status) ) printf("RtlAddAccessAllowedAce() failed: 0x%08x\n", status); printf("Parameters being passed into ZwCreateToken:\n\n"); DisplayTokenSids(&tkUser, ptkGroups, &tkDefaultOwner, &tkPrimaryGroup); DisplayDacl(tkDefaultDacl.DefaultDacl); printf("Calling ZwCreateToken()...\n"); status = ZwCreateToken(phSystemToken, TOKEN_ALL_ACCESS, &oa, TokenPrimary, &authId, &tkExpiration, &tkUser, ptkGroups, ptkPrivileges, &tkDefaultOwner, &tkPrimaryGroup, &tkDefaultDacl, &source); // Cleanup free(ptkGroups); free(ptkPrivileges); free(tkDefaultDacl.DefaultDacl); return status; } //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ int main(int argc, char* argv[]) { NTSTATUS Status; HANDLE hSystemToken; CHAR buffer[512]; HANDLE hOurToken; printf("Current process Token:\n"); Status=ZwOpenProcessToken(GetCurrentProcess(), TOKEN_QUERY|TOKEN_QUERY_SOURCE, &hOurToken); if ( NT_SUCCESS(Status) ) { DisplayToken(hOurToken); CloseHandle(hOurToken); } else { printf("ZwOpenProcessToken() failed: 0x%08x\n", Status); } //#define ENABLE_PRIVILEGE #ifdef ENABLE_PRIVILEGE EnablePrivilege(SE_CREATE_TOKEN_NAME); #endif // Now do the other one Status = CreateInitialSystemToken(&hSystemToken); if ( NT_SUCCESS(Status) ) { printf("System Token: 0x%08x\n", hSystemToken); DisplayToken(hSystemToken); CloseHandle(hSystemToken); } else { printf("CreateInitialSystemToken() return: 0x%08x\n", Status); } printf("press return"); gets(buffer); return 0; }