Function at 0x401285
Capabilities:
Check if file exists
Create process on windows
Create process suspended
Get file attributes

Disassembly:
jmp 0x40fd50
push 0xffffffffffffffff
push 0x467ea2
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0xa7c
push ebx
push ebp
push esi
xor ebx, ebx
push edi
lea eax, [esp + 0x18]
push ebx
push eax
call fcn.00441ee0
lea ecx, [esp + 0x10]
mov dword [esp + 0xa94], ebx
call sub.MFC42u.DLL_CString::CString_3
mov ecx, dword [esp + 0x18]
mov byte [esp + 0xa94], 1
push ecx
lea ecx, [esp + 0x14]
call sub.MFC42u.DLL_CString::operator
push 0x477738
lea ecx, [esp + 0x14]
call fcn.0041c0dc
mov edx, dword [esp + 0x10]
push edx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
or edi, 0xffffffff
cmp eax, edi
jne 0x40ff66
push 1
push ebx
push ebx
call dword [sym.imp.ADVAPI32.dll_OpenSCManagerW]
mov ebp, eax
cmp ebp, ebx
je 0x40ffd3
push 1
push str.OSERVER3
push ebp
call dword [sym.imp.ADVAPI32.dll_OpenServiceW]
mov esi, eax
cmp esi, ebx
jne 0x40fdfa
push ebp
call dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
jmp 0x40ffd3
mov ecx, 0x1ff
xor eax, eax
lea edi, [esp + 0x28e]
mov word [esp + 0x28c], bx
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
lea eax, [esp + 0x24]
lea ecx, [esp + 0x28c]
push eax
push 0x400
push ecx
push esi
mov dword [esp + 0x34], ebx
call dword [sym.imp.ADVAPI32.dll_QueryServiceConfigW]
test eax, eax
je 0x40ff1c
mov edx, dword [esp + 0x298]
lea ecx, [esp + 0x10]
push edx
call sub.MFC42u.DLL_CString::operator
lea eax, [esp + 0x14]
push 1
push eax
lea ecx, [esp + 0x18]
call sub.MFC42u.DLL_CString::Left
mov ecx, dword [eax]
push 0x475c0c
push ecx
mov byte [esp + 0xa9c], 2
call dword [sym.imp.MSVCRT.dll_wcscmp]
add esp, 8
cmp eax, ebx
lea ecx, [esp + 0x14]
mov byte [esp + 0xa94], 1
sete byte [esp + 0x1f]
call sub.MFC42u.DLL_CString::CString
cmp byte [esp + 0x1f], bl
je 0x40fedb
push 1
push ebx
lea ecx, [esp + 0x18]
call sub.MFC42u.DLL_CString::Delete
push 0x22
lea ecx, [esp + 0x14]
call sub.MFC42u.DLL_CString::Find
cmp eax, ebx
jl 0x40ff1c
lea edx, [esp + 0x14]
push eax
push edx
lea ecx, [esp + 0x18]
call sub.MFC42u.DLL_CString::Left
push eax
lea ecx, [esp + 0x14]
mov byte [esp + 0xa98], 3
call sub.MFC42u.DLL_CString::operator_1
mov byte [esp + 0xa94], 1
lea ecx, [esp + 0x14]
jmp 0x40ff17
push 0x20
lea ecx, [esp + 0x14]
call sub.MFC42u.DLL_CString::Find
cmp eax, ebx
jl 0x40ff1c
push eax
lea eax, [esp + 0x18]
push eax
lea ecx, [esp + 0x18]
call sub.MFC42u.DLL_CString::Left
push eax
lea ecx, [esp + 0x14]
mov byte [esp + 0xa98], 4
call sub.MFC42u.DLL_CString::operator_1
mov byte [esp + 0xa94], 1
lea ecx, [esp + 0x14]
call sub.MFC42u.DLL_CString::CString
mov edi, dword [sym.imp.ADVAPI32.dll_CloseServiceHandle]
push esi
call edi
push ebp
call edi
mov ecx, dword [esp + 0x10]
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
jne 0x40ff63
lea ecx, [esp + 0x10]
mov byte [esp + 0xa94], bl
call sub.MFC42u.DLL_CString::CString
lea ecx, [esp + 0x18]
mov dword [esp + 0xa94], 0xffffffff
call fcn.00422f00
xor eax, eax
jmp 0x4101eb
or edi, 0xffffffff
lea ecx, [esp + 0x20]
call sub.MFC42u.DLL_CString::CString_3
mov byte [esp + 0xa94], 5
call dword [sym.imp.KERNEL32.dll_GetTickCount]
push eax
lea edx, [esp + 0x24]
push 0x477704
push edx
call sub.MFC42u.DLL_CString::Format
mov eax, dword [esp + 0x2c]
add esp, 0xc
push eax
push 0x1000
push ebx
push 4
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
cmp eax, ebx
mov dword [esp + 0x38], eax
je 0x40ffc2
push ebx
push ebx
push ebx
push 0xf001f
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov ebp, eax
cmp ebp, ebx
jne 0x40fffa
lea ecx, [esp + 0x20]
mov byte [esp + 0xa94], 1
call sub.MFC42u.DLL_CString::CString
lea ecx, [esp + 0x10]
mov byte [esp + 0xa94], bl
call sub.MFC42u.DLL_CString::CString
lea ecx, [esp + 0x18]
mov dword [esp + 0xa94], edi
call fcn.00422f00
xor eax, eax
jmp 0x4101eb
mov ecx, 0x400
xor eax, eax
mov edi, ebp
rep stosd dword es:[edi], eax
mov edi, 0x4776dc
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov edx, ecx
mov esi, edi
mov edi, ebp
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, 0x81
lea edi, [esp + 0x86]
mov word [esp + 0x84], bx
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
mov eax, dword [esp + 0x20]
lea ecx, [esp + 0x84]
push eax
push 0x4776ac
push ecx
call dword [sym.imp.MSVCRT.dll_swprintf]
mov ecx, 0x10
xor eax, eax
lea edi, [esp + 0x50]
mov dword [esp + 0x4c], ebx
add esp, 0xc
xor edx, edx
rep stosd dword es:[edi], eax
lea eax, [esp + 0x28]
lea ecx, [esp + 0x40]
push eax
mov eax, dword [esp + 0x14]
mov dword [esp + 0x30], edx
push ecx
push ebx
mov dword [esp + 0x3c], edx
push ebx
push 0x20
mov dword [esp + 0x48], edx
push ebx
push ebx
lea edx, [esp + 0xa0]
push ebx
push edx
push eax
mov dword [esp + 0x50], ebx
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
cmp eax, ebx
mov dword [esp + 0x24], ebx
je 0x41019e
mov ecx, dword [esp + 0x28]
push 0x493e0
push ecx
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov eax, dword [esp + 0x28]
lea edx, [esp + 0x14]
push edx
push eax
mov dword [esp + 0x1c], ebx
call dword [sym.imp.KERNEL32.dll_GetExitCodeProcess]
test eax, eax
je 0x410188
cmp dword [esp + 0x14], 0x64
jne 0x410188
mov eax, dword [ebp]
xor ecx, ecx
mov cx, word [ebp + 0x1c]
mov dword [esp + 0x3c], eax
lea edx, [ecx + ecx + 0x22]
cmp eax, edx
jne 0x410188
mov esi, dword [eax + ebp + 4]
lea eax, [esi + eax + 8]
cmp eax, 0x1000
ja 0x410188
mov edx, dword [esp + 0xa9c]
mov ecx, dword [ebp + 4]
mov dword [esp + 0x24], 1
mov dword [edx], ecx
mov ecx, dword [esp + 0xaa0]
mov eax, dword [ebp + 8]
lea edx, [ebp + 0x24]
mov dword [ecx], eax
mov ecx, dword [esp + 0xaa4]
push edx
call fcn.004231e0
mov eax, dword [esp + 0xaa8]
mov ecx, dword [ebp + 0xc]
mov edi, dword [esp + 0xab0]
push 0xffffffffffffffff
mov dword [eax], ecx
mov edx, dword [ebp + 0x10]
mov ecx, dword [esp + 0xab0]
mov dword [eax + 4], edx
mov eax, dword [ebp + 0x18]
push esi
mov dword [ecx], eax
mov ecx, edi
call sub.MFC42u.DLL_CByteArray::SetSize
cmp esi, ebx
jbe 0x410188
mov edx, dword [esp + 0x3c]
mov edi, dword [edi + 4]
mov ecx, esi
mov eax, ecx
lea esi, [edx + ebp + 8]
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [esp + 0x28]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
push ecx
call esi
mov edx, dword [esp + 0x2c]
push edx
call esi
jmp 0x4101a4
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebp
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
mov eax, dword [esp + 0x38]
push eax
call esi
lea ecx, [esp + 0x20]
mov byte [esp + 0xa94], 1
call sub.MFC42u.DLL_CString::CString
lea ecx, [esp + 0x10]
mov byte [esp + 0xa94], bl
call sub.MFC42u.DLL_CString::CString
lea ecx, [esp + 0x18]
mov dword [esp + 0xa94], 0xffffffff
call fcn.00422f00
mov eax, dword [esp + 0x24]
mov ecx, dword [esp + 0xa8c]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0xa88
ret