Function at 0x4400a6
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.0042d490
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.0042d490
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 0x440125
xor edx, edx
mov word [esp + 0x88], dx
jmp 0x44012d
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 0x44017b
mov eax, dword [esp + 0xec]
test eax, eax
je 0x44017b
mov eax, dword [eax + 0xc]
test eax, eax
je 0x44017b
mov ebx, edx
mov dword [esp + 0x84], 0x101
mov dword [esp + 0x90], eax
mov dword [esp + 0x10], ebx
mov dword [esp + 0x20], 1
jmp 0x4401d5
mov eax, ecx
and eax, 0x14
cmp al, 0x14
jne 0x4401d5
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 0x4401ce
mov eax, dword [esp + 0x18]
or dword [esp + 0x84], 0x100
mov dword [esp + 0x90], eax
lea eax, [esp + 0x28]
push eax
call fcn.00440038
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 0x440281
test cl, 8
je 0x440236
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 0x44022f
mov eax, dword [esp + 0x14]
or dword [esp + 0x84], 0x100
mov dword [esp + 0x94], eax
lea eax, [esp + 0x24]
push eax
call fcn.00440038
and ebx, 0xffffffef
mov dword [esp + 0x24], 1
pop ecx
mov dword [esp + 0x10], ebx
mov ecx, dword [esp + 0xe8]
test cl, 0x20
je 0x440281
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 0x440281
mov eax, dword [esp + 0x1c]
or dword [esp + 0x84], 0x100
mov dword [esp + 0x98], eax
lea eax, [esp + 0x2c]
push eax
call fcn.00440038
and ebx, 0xffffffef
mov dword [esp + 0x24], 1
pop ecx
mov dword [esp + 0x10], ebx
test dword [esp + 0x84], 0x100
je 0x4402d0
mov esi, dword [sym.imp.KERNEL32.dll_GetStdHandle]
cmp dword [esp + 0x90], edi
jne 0x4402a8
push 0xfffffffffffffff6
call esi
mov dword [esp + 0x90], eax
cmp dword [esp + 0x94], edi
jne 0x4402bc
push 0xfffffffffffffff5
call esi
mov dword [esp + 0x94], eax
cmp dword [esp + 0x98], edi
jne 0x4402d0
push 0xfffffffffffffff4
call esi
mov dword [esp + 0x98], eax
cmp dword [esp + 0xdc], edi
mov ebx, 0x5b9268
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.0042267c
push ebx
mov esi, eax
call fcn.0042267c
add eax, esi
pop ecx
pop ecx
lea eax, [eax*2 + 8]
push eax
xor eax, eax
push eax
push dword [0x871bf4]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
cmp word [ebp], 0x22
mov ebx, eax
je 0x44034e
mov esi, 0x5bbaf0
push esi
push ebx
call fcn.0058a803
push ebp
push ebx
call fcn.0058a825
push esi
push ebx
call fcn.0058a825
add esp, 0x18
jmp 0x440357
push ebp
push ebx
call fcn.0058a803
pop ecx
pop ecx
mov ebp, dword [esp + 0x34]
xor ecx, ecx
cmp word [ebp], cx
je 0x44037a
push 0x5bbaf4
push ebx
call fcn.0058a825
push ebp
push ebx
call fcn.0058a825
add esp, 0x10
xor ecx, ecx
mov ebp, dword [esp + 0xe4]
test ebp, ebp
je 0x44038e
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 0x440450
cmp dword [esp + 0x14], edi
je 0x4403c6
push dword [esp + 0x14]
call esi
cmp dword [esp + 0x18], edi
je 0x4403d2
push dword [esp + 0x18]
call esi
cmp dword [esp + 0x1c], edi
je 0x4403de
push dword [esp + 0x1c]
call esi
push dword [esp + 0x4c]
call esi
test byte [esp + 0xe8], 1
je 0x4403fa
push 0xffffffffffffffff
push dword [esp + 0x4c]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp dword [esp + 0x38], edi
je 0x440447
mov esi, 0x8764d4
push esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
push 0x20
push 0x8739cc
call fcn.0045cfc6
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 0x4405b6
push dword [esp + 0x48]
jmp 0x4405cc
cmp dword [esp + 0x14], edi
je 0x44045c
push dword [esp + 0x14]
call esi
cmp dword [esp + 0x24], edi
je 0x440468
push dword [esp + 0x24]
call esi
cmp dword [esp + 0x28], edi
je 0x440474
push dword [esp + 0x28]
call esi
cmp dword [esp + 0x18], edi
je 0x440480
push dword [esp + 0x18]
call esi
cmp dword [esp + 0x1c], edi
je 0x44048c
push dword [esp + 0x1c]
call esi
cmp dword [esp + 0x2c], edi
je 0x440498
push dword [esp + 0x2c]
call esi
test byte [esp + 0xe8], 0x78
jne 0x4405d1
test ebp, ebp
jne 0x4404ed
push dword [esp + 0x30]
call fcn.0042267c
pop ecx
mov ecx, dword [esp + 0x30]
lea esi, [ecx - 2]
lea esi, [esi + eax*2]
jmp 0x4404c9
cmp word [esi], 0x5c
je 0x4404cf
sub esi, 2
cmp esi, ecx
ja 0x4404c0
jmp 0x4404e7
push ecx
push ebx
call fcn.0058a803
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.0042d490
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 0x4405d1
test byte [esp + 0xe8], 1
je 0x440578
push 0xffffffffffffffff
push dword [esp + 0xd8]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp dword [esp + 0x38], edi
je 0x4405c5
mov esi, 0x8764d4
push esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
push 0x20
push 0x8739cc
call fcn.0045cfc6
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 0x4405d1
push dword [esp + 0xd4]
call esi
xor edi, edi
inc edi
push ebx
xor eax, eax
push eax
push dword [0x871bf4]
call dword [sym.imp.KERNEL32.dll_HeapFree]
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc8
ret 0x14