Function at 0x43a8b5
Capabilities:
Create a process with modified i/o handles and window
Create pipe
Create process on windows

Disassembly:
sub esp, 0xc8
push ebx
push ebp
push esi
push edi
xor ebp, ebp
lea eax, [esp + 0x3c]
push 0xc
pop esi
push esi
push ebp
push eax
mov dword [esp + 0x24], ebp
mov edi, ebp
mov dword [esp + 0x34], ebp
mov dword [esp + 0x30], ebp
mov dword [esp + 0x20], ebp
mov dword [esp + 0x38], ebp
mov dword [esp + 0x28], ebp
mov dword [esp + 0x2c], ebp
call fcn.0042cc40
push 0x44
mov dword [esp + 0x4c], esi
lea eax, [esp + 0x68]
pop esi
push esi
xor ebx, ebx
mov dword [esp + 0x50], ebp
push ebp
inc ebx
push eax
mov dword [esp + 0x5c], ebx
call fcn.0042cc40
mov ecx, dword [esp + 0x100]
add esp, 0x18
mov eax, ecx
mov dword [esp + 0x58], esi
mov dword [esp + 0x84], ebx
and eax, 2
je 0x43a934
xor edx, edx
mov word [esp + 0x88], dx
jmp 0x43a93c
mov word [esp + 0x88], bx
mov esi, dword [sym.imp.KERNEL32.dll_CreatePipe]
test eax, eax
push 0x30
pop ebx
push 0x20
pop edx
cmove ebx, edx
mov dword [esp + 0x10], ebx
test cl, 0x40
je 0x43a98a
mov eax, dword [esp + 0xec]
test eax, eax
je 0x43a98a
mov eax, dword [eax + 0xc]
test eax, eax
je 0x43a98a
mov ebx, edx
mov dword [esp + 0x84], 0x101
mov dword [esp + 0x90], eax
mov dword [esp + 0x10], ebx
mov dword [esp + 0x20], 1
jmp 0x43a9e4
mov eax, ecx
and eax, 0x14
cmp al, 0x14
jne 0x43a9e4
push ebp
lea eax, [esp + 0x40]
mov dword [esp + 0x14], ebx
push eax
lea eax, [esp + 0x30]
push eax
lea eax, [esp + 0x24]
push eax
call esi
test eax, eax
je 0x43a9dd
mov eax, dword [esp + 0x18]
or dword [esp + 0x84], 0x100
mov dword [esp + 0x90], eax
lea eax, [esp + 0x28]
push eax
call fcn.0043a85f
pop ecx
push 0x20
pop ebx
mov dword [esp + 0x10], ebx
mov dword [esp + 0x20], 1
mov ecx, dword [esp + 0xe8]
mov eax, ecx
and eax, 4
mov dword [esp + 0x38], eax
je 0x43aa90
test cl, 8
je 0x43aa45
push ebp
lea eax, [esp + 0x40]
push eax
lea eax, [esp + 0x1c]
push eax
lea eax, [esp + 0x30]
push eax
call esi
test eax, eax
je 0x43aa3e
mov eax, dword [esp + 0x14]
or dword [esp + 0x84], 0x100
mov dword [esp + 0x94], eax
lea eax, [esp + 0x24]
push eax
call fcn.0043a85f
and ebx, 0xffffffef
mov dword [esp + 0x24], 1
pop ecx
mov dword [esp + 0x10], ebx
mov ecx, dword [esp + 0xe8]
test cl, 0x20
je 0x43aa90
push ebp
lea eax, [esp + 0x40]
push eax
lea eax, [esp + 0x24]
push eax
lea eax, [esp + 0x38]
push eax
call esi
test eax, eax
je 0x43aa90
mov eax, dword [esp + 0x1c]
or dword [esp + 0x84], 0x100
mov dword [esp + 0x98], eax
lea eax, [esp + 0x2c]
push eax
call fcn.0043a85f
and ebx, 0xffffffef
mov dword [esp + 0x24], 1
pop ecx
mov dword [esp + 0x10], ebx
test dword [esp + 0x84], 0x100
je 0x43aadf
mov esi, dword [sym.imp.KERNEL32.dll_GetStdHandle]
cmp dword [esp + 0x90], edi
jne 0x43aab7
push 0xfffffffffffffff6
call esi
mov dword [esp + 0x90], eax
cmp dword [esp + 0x94], edi
jne 0x43aacb
push 0xfffffffffffffff5
call esi
mov dword [esp + 0x94], eax
cmp dword [esp + 0x98], edi
jne 0x43aadf
push 0xfffffffffffffff4
call esi
mov dword [esp + 0x98], eax
cmp dword [esp + 0xdc], edi
mov ebx, 0x4e6268
mov ebp, ebx
cmovne ebp, dword [esp + 0xdc]
cmp dword [esp + 0xe0], edi
push ebp
cmovne ebx, dword [esp + 0xe4]
mov dword [esp + 0x34], ebp
mov dword [esp + 0x38], ebx
call fcn.00421ebf
push ebx
mov esi, eax
call fcn.00421ebf
add eax, esi
pop ecx
pop ecx
lea eax, [eax*2 + 8]
push eax
xor eax, eax
push eax
push dword [0x846350]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
cmp word [ebp], 0x22
mov ebx, eax
je 0x43ab5d
mov esi, 0x4e958c
push esi
push ebx
call fcn.004b92d6
push ebp
push ebx
call fcn.004b9338
push esi
push ebx
call fcn.004b9338
add esp, 0x18
jmp 0x43ab66
push ebp
push ebx
call fcn.004b92d6
pop ecx
pop ecx
mov ebp, dword [esp + 0x34]
xor ecx, ecx
cmp word [ebp], cx
je 0x43ab89
push 0x4e95f8
push ebx
call fcn.004b9338
push ebp
push ebx
call fcn.004b9338
add esp, 0x10
xor ecx, ecx
mov ebp, dword [esp + 0xe4]
test ebp, ebp
je 0x43ab9d
xor eax, eax
cmp word [ebp], cx
cmove ebp, eax
lea eax, [esp + 0x48]
push eax
lea eax, [esp + 0x5c]
push eax
push ebp
push ecx
push dword [esp + 0x20]
push dword [esp + 0x34]
push ecx
push ecx
push ebx
push ecx
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
test eax, eax
je 0x43ac5f
cmp dword [esp + 0x14], edi
je 0x43abd5
push dword [esp + 0x14]
call esi
cmp dword [esp + 0x18], edi
je 0x43abe1
push dword [esp + 0x18]
call esi
cmp dword [esp + 0x1c], edi
je 0x43abed
push dword [esp + 0x1c]
call esi
push dword [esp + 0x4c]
call esi
test byte [esp + 0xe8], 1
je 0x43ac09
push 0xffffffffffffffff
push dword [esp + 0x4c]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp dword [esp + 0x38], edi
je 0x43ac56
mov esi, 0x848d68
push esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
push 0x20
push 0x847e0c
call fcn.00452c62
pop ecx
pop ecx
push esi
mov edi, eax
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov eax, dword [esp + 0x48]
mov dword [edi], eax
mov eax, dword [esp + 0x50]
mov dword [edi + 4], eax
mov eax, dword [esp + 0x24]
mov dword [edi + 0xc], eax
mov eax, dword [esp + 0x28]
mov dword [edi + 8], eax
mov eax, dword [esp + 0x2c]
jmp 0x43adc5
push dword [esp + 0x48]
jmp 0x43addb
cmp dword [esp + 0x14], edi
je 0x43ac6b
push dword [esp + 0x14]
call esi
cmp dword [esp + 0x24], edi
je 0x43ac77
push dword [esp + 0x24]
call esi
cmp dword [esp + 0x28], edi
je 0x43ac83
push dword [esp + 0x28]
call esi
cmp dword [esp + 0x18], edi
je 0x43ac8f
push dword [esp + 0x18]
call esi
cmp dword [esp + 0x1c], edi
je 0x43ac9b
push dword [esp + 0x1c]
call esi
cmp dword [esp + 0x2c], edi
je 0x43aca7
push dword [esp + 0x2c]
call esi
test byte [esp + 0xe8], 0x78
jne 0x43ade0
test ebp, ebp
jne 0x43acfc
push dword [esp + 0x30]
call fcn.00421ebf
pop ecx
mov ecx, dword [esp + 0x30]
lea esi, [ecx - 2]
lea esi, [esi + eax*2]
jmp 0x43acd8
cmp word [esi], 0x5c
je 0x43acde
sub esi, 2
cmp esi, ecx
ja 0x43accf
jmp 0x43acf6
push ecx
push ebx
call fcn.004b92d6
sub esi, dword [esp + 0x38]
mov ebp, ebx
sar esi, 1
xor eax, eax
pop ecx
pop ecx
mov word [ebx + esi*2 + 2], ax
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
push 0x3c
push eax
lea eax, [esp + 0xa4]
push eax
call fcn.0042cc40
movzx eax, word [esp + 0x94]
add esp, 0xc
mov dword [esp + 0xb8], eax
xor eax, eax
mov dword [esp + 0xa8], eax
mov eax, dword [esp + 0x30]
mov dword [esp + 0xac], eax
mov eax, dword [esp + 0x34]
mov dword [esp + 0xb0], eax
lea eax, [esp + 0x9c]
push eax
mov dword [esp + 0xa0], 0x3c
mov dword [esp + 0xa4], 0x540
mov dword [esp + 0xb8], ebp
call dword [sym.imp.SHELL32.dll_ShellExecuteExW]
test eax, eax
je 0x43ade0
test byte [esp + 0xe8], 1
je 0x43ad87
push 0xffffffffffffffff
push dword [esp + 0xd8]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp dword [esp + 0x38], edi
je 0x43add4
mov esi, 0x848d68
push esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
push 0x20
push 0x847e0c
call fcn.00452c62
pop ecx
pop ecx
push esi
mov edi, eax
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov eax, dword [esp + 0xd4]
or dword [edi + 4], 0xffffffff
mov dword [edi], eax
xor eax, eax
mov dword [edi + 0xc], eax
mov dword [edi + 8], eax
mov dword [edi + 0x10], eax
mov eax, dword [esp + 0xe8]
mov dword [edi + 0x14], eax
jmp 0x43ade0
push dword [esp + 0xd4]
call esi
xor edi, edi
inc edi
push ebx
xor eax, eax
push eax
push dword [0x846350]
call dword [sym.imp.KERNEL32.dll_HeapFree]
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc8
ret 0x14