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mimikatz/modules/kull_m_token.c

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/* Benjamin DELPY `gentilkiwi`
http://blog.gentilkiwi.com
benjamin@gentilkiwi.com
Licence : https://creativecommons.org/licenses/by/4.0/
*/
#include "kull_m_token.h"
BOOL kull_m_token_getNameDomainFromToken(HANDLE hToken, PWSTR * pName, PWSTR * pDomain, PWSTR * pSid, PSID_NAME_USE pSidNameUse)
{
BOOL result = FALSE;
PTOKEN_USER pTokenUser;
DWORD szNeeded;
if(!GetTokenInformation(hToken, TokenUser, NULL, 0, &szNeeded) && (GetLastError() == ERROR_INSUFFICIENT_BUFFER))
{
if(pTokenUser = (PTOKEN_USER) LocalAlloc(LPTR, szNeeded))
{
if(GetTokenInformation(hToken, TokenUser, pTokenUser, szNeeded, &szNeeded))
{
if((result = kull_m_token_getNameDomainFromSID(pTokenUser->User.Sid, pName, pDomain, pSidNameUse, NULL)) && pSid)
result = ConvertSidToStringSid(pTokenUser->User.Sid, pSid);
}
LocalFree(pTokenUser);
}
}
return result;
}
BOOL kull_m_token_CheckTokenMembership(__in_opt HANDLE TokenHandle, __in PSID SidToCheck, __out PBOOL IsMember)
{
BOOL status = FALSE, isDupp = FALSE;
TOKEN_TYPE type;
DWORD szNeeded;
HANDLE effHandle;
if(GetTokenInformation(TokenHandle, TokenType, &type, sizeof(TOKEN_TYPE), &szNeeded))
{
if(type == TokenPrimary)
{
isDupp = DuplicateTokenEx(TokenHandle, TOKEN_QUERY, NULL, SecurityIdentification, TokenImpersonation, &effHandle);
if(!isDupp)
PRINT_ERROR_AUTO(L"DuplicateTokenEx");
}
else effHandle = TokenHandle;
if(isDupp || (type != TokenPrimary))
{
if(!(status = CheckTokenMembership(effHandle, SidToCheck, IsMember)))
PRINT_ERROR_AUTO(L"CheckTokenMembership");
if(isDupp)
CloseHandle(effHandle);
}
}
else PRINT_ERROR_AUTO(L"GetTokenInformation");
return status;
}
PCWCHAR SidNameUses[] = {L"User", L"Group", L"Domain", L"Alias", L"WellKnownGroup", L"DeletedAccount", L"Invalid", L"Unknown", L"Computer", L"Label"};
PCWCHAR kull_m_token_getSidNameUse(SID_NAME_USE SidNameUse)
{
return (SidNameUse > 0 && SidNameUse <= SidTypeLabel) ? SidNameUses[SidNameUse - 1] : L"unk!";
}
BOOL kull_m_token_getNameDomainFromSID(PSID pSid, PWSTR * pName, PWSTR * pDomain, PSID_NAME_USE pSidNameUse, LPCWSTR system)
{
BOOL result = FALSE;
SID_NAME_USE sidNameUse;
PSID_NAME_USE peUse = pSidNameUse ? pSidNameUse : &sidNameUse;
DWORD cchName = 0, cchReferencedDomainName = 0;
if(!LookupAccountSid(system, pSid, NULL, &cchName, NULL, &cchReferencedDomainName, peUse) && (GetLastError() == ERROR_INSUFFICIENT_BUFFER))
{
if(*pName = (PWSTR) LocalAlloc(LPTR, cchName * sizeof(wchar_t)))
{
if(*pDomain = (PWSTR) LocalAlloc(LPTR, cchReferencedDomainName * sizeof(wchar_t)))
{
result = LookupAccountSid(system, pSid, *pName, &cchName, *pDomain, &cchReferencedDomainName, peUse);
if(!result)
*pDomain = (PWSTR) LocalFree(*pDomain);
}
if(!result)
*pName = (PWSTR) LocalFree(*pName);
}
}
return result;
}
BOOL kull_m_token_getSidDomainFromName(PCWSTR pName, PSID * pSid, PWSTR * pDomain, PSID_NAME_USE pSidNameUse, LPCWSTR system)
{
BOOL result = FALSE;
SID_NAME_USE sidNameUse;
PSID_NAME_USE peUse = pSidNameUse ? pSidNameUse : &sidNameUse;
DWORD cbSid = 0, cchReferencedDomainName = 0;
if(!LookupAccountName(system, pName, NULL, &cbSid, NULL, &cchReferencedDomainName, peUse) && (GetLastError() == ERROR_INSUFFICIENT_BUFFER))
{
if(*pSid = (PSID) LocalAlloc(LPTR, cbSid * sizeof(wchar_t)))
{
if(*pDomain = (PWSTR) LocalAlloc(LPTR, cchReferencedDomainName * sizeof(wchar_t)))
{
result = LookupAccountName(system, pName, *pSid, &cbSid, *pDomain, &cchReferencedDomainName, peUse);
if(!result)
*pDomain = (PWSTR) LocalFree(*pDomain);
}
if(!result)
*pSid = (PSID) LocalFree(*pSid);
}
}
return result;
}
BOOL kull_m_token_getTokens(PKULL_M_TOKEN_ENUM_CALLBACK callBack, PVOID pvArg)
{
BOOL status = FALSE;
KULL_M_TOKEN_ENUM_DATA data = {callBack, pvArg, TRUE};
if(status = NT_SUCCESS(kull_m_process_getProcessInformation(kull_m_token_getTokens_process_callback, &data)))
if(data.mustContinue)
status = NT_SUCCESS(kull_m_handle_getHandlesOfType(kull_m_token_getTokens_handles_callback, L"Token", TOKEN_QUERY | TOKEN_DUPLICATE, 0, &data));
return status;
}
BOOL kull_m_token_getTokensUnique(PKULL_M_TOKEN_ENUM_CALLBACK callBack, PVOID pvArg)
{
BOOL status = FALSE, mustContinue = TRUE;
KULL_M_TOKEN_LIST list = {0}, *cur, *tmp;
if(status = kull_m_token_getTokens(kull_m_token_getTokensUnique_callback, &list))
{
for(cur = &list; cur && mustContinue; cur = cur->next)
mustContinue = callBack(cur->hToken, cur->ptid, pvArg);
for(cur = &list; cur; cur = tmp)
{
if(cur->hToken)
CloseHandle(cur->hToken);
tmp = cur->next;
if(cur != &list)
LocalFree(cur);
}
}
return status;
}
BOOL CALLBACK kull_m_token_getTokensUnique_callback(HANDLE hToken, DWORD ptid, PVOID pvArg)
{
PKULL_M_TOKEN_LIST list = (PKULL_M_TOKEN_LIST) pvArg, cur, old = NULL;
HANDLE my = GetCurrentProcess();
if(list->hToken)
{
for(cur = list; cur; old = cur, cur = cur->next)
if(kull_m_token_equal(hToken, cur->hToken))
break;
if(!cur && old)
if(old->next = (PKULL_M_TOKEN_LIST) LocalAlloc(LPTR, sizeof(KULL_M_TOKEN_LIST)))
{
old->next->ptid = ptid;
if(!DuplicateHandle(my, hToken, (HANDLE) my, &old->next->hToken, 0, FALSE, DUPLICATE_SAME_ACCESS))
PRINT_ERROR_AUTO(L"DuplicateHandle");
}
}
else
{
list->ptid = ptid;
if(!DuplicateHandle(my, hToken, my, &list->hToken, 0, FALSE, DUPLICATE_SAME_ACCESS))
PRINT_ERROR_AUTO(L"DuplicateHandle");
}
return TRUE;
}
BOOL CALLBACK kull_m_token_getTokens_process_callback(PSYSTEM_PROCESS_INFORMATION pSystemProcessInformation, PVOID pvArg)
{
BOOL status = TRUE;
HANDLE hProcess, hToken;
if(hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, PtrToUlong(pSystemProcessInformation->UniqueProcessId)))
{
if(OpenProcessToken(hProcess, TOKEN_QUERY | TOKEN_DUPLICATE, &hToken))
{
status = ((PKULL_M_TOKEN_ENUM_DATA) pvArg)->callback(hToken, PtrToUlong(pSystemProcessInformation->UniqueProcessId), ((PKULL_M_TOKEN_ENUM_DATA) pvArg)->pvArg);
CloseHandle(hToken);
}
CloseHandle(hProcess);
}
return (((PKULL_M_TOKEN_ENUM_DATA) pvArg)->mustContinue = status);
}
BOOL CALLBACK kull_m_token_getTokens_handles_callback(HANDLE handle, PSYSTEM_HANDLE pSystemHandle, PVOID pvArg)
{
return (((PKULL_M_TOKEN_ENUM_DATA) pvArg)->mustContinue = ((PKULL_M_TOKEN_ENUM_DATA) pvArg)->callback(handle, pSystemHandle->ProcessId, ((PKULL_M_TOKEN_ENUM_DATA) pvArg)->pvArg));
}
BOOL kull_m_token_equal(IN HANDLE First, IN HANDLE Second)
{
BOOL status = FALSE;
BOOLEAN lit;
NTSTATUS ntStatus;
DWORD s1, s2, szRet;
ntStatus = NtCompareTokens(First, Second, &lit);
if(NT_SUCCESS(ntStatus))
{
if(status = lit)
if(GetTokenInformation(First, TokenSessionId, &s1, sizeof(DWORD), &szRet) && GetTokenInformation(Second, TokenSessionId, &s2, sizeof(DWORD), &szRet))
status = (s1 == s2);
}
else PRINT_ERROR(L"NtCompareTokens: %08x\n", ntStatus);
return status;
}
PTOKEN_USER kull_m_token_getUserFromToken(HANDLE hToken)
{
PTOKEN_USER pTokenUser = NULL;
DWORD szNeeded;
if(!GetTokenInformation(hToken, TokenUser, NULL, 0, &szNeeded) && (GetLastError() == ERROR_INSUFFICIENT_BUFFER))
{
if(pTokenUser = (PTOKEN_USER) LocalAlloc(LPTR, szNeeded))
{
if(!GetTokenInformation(hToken, TokenUser, pTokenUser, szNeeded, &szNeeded))
pTokenUser = (PTOKEN_USER) LocalFree(pTokenUser);
}
}
return pTokenUser;
}
PWSTR kull_m_token_getSidFromToken(HANDLE hToken)
{
PWSTR Sid = NULL;
PTOKEN_USER pTokenUser;
if(pTokenUser = kull_m_token_getUserFromToken(hToken))
{
if(!ConvertSidToStringSid(pTokenUser->User.Sid, &Sid))
Sid = NULL;
LocalFree(pTokenUser);
}
return Sid;
}
PWSTR kull_m_token_getCurrentSid()
{
PWSTR Sid = NULL;
HANDLE hToken;
if(OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
{
Sid = kull_m_token_getSidFromToken(hToken);
CloseHandle(hToken);
}
return Sid;
}
const SID SidLocalAccount = {SID_REVISION, 1, SECURITY_NT_AUTHORITY, {113}};
BOOL kull_m_token_isLocalAccount(__in_opt HANDLE TokenHandle, __out PBOOL IsMember)
{
return CheckTokenMembership(TokenHandle, (PSID) &SidLocalAccount, IsMember);
}
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