Function at 0x40d370
Capabilities:
Create a process with modified i/o handles and window
Create pipe
Create process on windows
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x461f5b
mov eax, dword fs:[0]
push eax
mov eax, 0x3894
call fcn.00438ab0
mov eax, dword [0x47a040]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov ebx, ecx
mov dword [ebp - 0x3898], ebx
mov dword [ebp - 0x3818], ebx
mov esi, dword [ebp + 8]
lea eax, [ebp - 0x3810]
push 0x2800
push 0
push eax
mov dword [ebp - 0x3818], ebx
call fcn.00439ab0
add esp, 0xc
lea eax, [ebp - 0x3810]
test esi, esi
je 0x40d3f0
push esi
push str.regsvr32__s__u
push str._s__s
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0x10
jmp 0x40d404
push str.regsvr32__s__u
push 0x46f4f8
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0xc
call fcn.00404660
mov ecx, eax
test ecx, ecx
je 0x40d705
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x3814], eax
push 0x46f5ac
lea ecx, [ebp - 0x3814]
mov dword [ebp - 4], 1
call fcn.00406070
test al, al
jne 0x40d44e
push 0
push 0x46f5ac
lea ecx, [ebp - 0x3814]
call fcn.004062a0
push 0
lea eax, [ebp - 0x382c]
mov dword [ebp - 4], 2
push eax
lea eax, [ebp - 0x3820]
mov dword [ebp - 0x381c], 0
push eax
lea eax, [ebp - 0x381c]
mov dword [ebp - 0x3820], 0
push eax
mov dword [ebp - 0x382c], 0xc
mov dword [ebp - 0x3828], 0
mov dword [ebp - 0x3824], 1
call dword [sym.imp.KERNEL32.dll_CreatePipe]
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
test eax, eax
je 0x40d68f
lea eax, [ebp - 0x3888]
mov dword [ebp - 0x3888], 0x44
push eax
call dword [sym.imp.KERNEL32.dll_GetStartupInfoW]
mov eax, dword [ebp - 0x3820]
mov dword [ebp - 0x3848], eax
mov dword [ebp - 0x384c], eax
xor eax, eax
mov word [ebp - 0x3858], ax
lea eax, [ebp - 0x383c]
push eax
lea eax, [ebp - 0x3888]
mov dword [ebp - 0x385c], 0x101
push eax
push 0
push 0
push 0
push 1
push 0
push 0
lea eax, [ebp - 0x3810]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
je 0x40d68f
push dword [ebp - 0x3820]
call edi
push 0x1000
lea eax, [ebp - 0x1010]
push 0
push eax
call fcn.00439ab0
add esp, 0xc
lea eax, [ebp - 0x3818]
push 0
push eax
push 0xfff
lea eax, [ebp - 0x1010]
push eax
push dword [ebp - 0x381c]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x40d68f
mov esi, dword [ebp - 0x3814]
nop dword [eax]
lea eax, [ebp - 0x1010]
lea edx, [eax + 1]
nop dword [eax]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x40d580
mov edi, dword [esi - 0xc]
lea ecx, [ebp - 0x1010]
mov dword [ebp - 0x3894], ecx
sub ecx, esi
sub eax, edx
mov dword [ebp - 0x3890], ecx
mov dword [ebp - 0x388c], edi
js 0x40d70f
push eax
lea eax, [ebp - 0x1010]
push eax
call fcn.00442443
mov ebx, eax
mov ecx, SysReAllocString
sub ecx, ebx
add esp, 8
cmp ecx, edi
jl 0x40d70f
add edi, ebx
js 0x40d70f
mov eax, dword [esi - 8]
mov ecx, 1
sub ecx, dword [esi - 4]
sub eax, edi
or eax, ecx
jge 0x40d5f8
push edi
lea ecx, [ebp - 0x3814]
call fcn.00406150
mov esi, dword [ebp - 0x3814]
mov eax, dword [ebp - 0x388c]
mov ecx, dword [ebp - 0x3890]
cmp ecx, eax
ja 0x40d60c
add ecx, esi
jmp 0x40d612
mov ecx, dword [ebp - 0x3894]
add eax, esi
test ebx, ebx
je 0x40d648
test eax, eax
je 0x40d638
push ebx
test ecx, ecx
je 0x40d62d
push ecx
push eax
call fcn.00439530
add esp, 0xc
jmp 0x40d648
push 0
push eax
call fcn.00439ab0
add esp, 0xc
call fcn.004420ce
mov dword [eax], 0x16
call fcn.00441fd0
cmp edi, dword [esi - 8]
jg 0x40d70f
push 0
lea eax, [ebp - 0x3818]
mov dword [esi - 0xc], edi
push eax
push 0xfff
lea eax, [ebp - 0x1010]
mov byte [edi + esi], 0
push eax
push dword [ebp - 0x381c]
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x40d570
mov ebx, dword [ebp - 0x3898]
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x40d695
mov esi, dword [ebp - 0x3814]
mov eax, dword [ebp - 0x381c]
test eax, eax
je 0x40d6ac
push eax
call edi
mov dword [ebp - 0x381c], 0
push dword [ebp - 0x383c]
call edi
push dword [ebp - 0x3838]
call edi
add esi, 0xfffffff0
mov ecx, esi
call fcn.00407790
add eax, 0x10
mov dword [ebp - 4], 0xffffffff
mov dword [ebx], eax
or eax, 0xffffffff
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x40d6e7
mov ecx, dword [esi]
push esi
mov edx, dword [ecx]
call dword [edx + 4]
mov eax, ebx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.004378e6
mov esp, ebp
pop ebp
ret
push 0x80004005
call fcn.00401920
push 0x80070057
call fcn.00401920
int3