Function at 0x401b39
Capabilities:
Create a process with modified i/o handles and window
Create pipe
Create process on windows

Disassembly:
sub esp, 0xc0
push ebx
push ebp
push esi
push edi
xor ebp, ebp
lea eax, [esp + 0x34]
push 0xc
pop esi
push esi
push ebp
push eax
mov dword [esp + 0x20], ebp
mov ebx, ebp
mov dword [esp + 0x30], ebp
mov dword [esp + 0x2c], ebp
mov dword [esp + 0x1c], ebp
mov dword [esp + 0x34], ebp
mov dword [esp + 0x24], ebp
mov dword [esp + 0x28], ebp
call fcn.00401100
push 0x44
mov dword [esp + 0x44], esi
lea eax, [esp + 0x60]
pop esi
push esi
xor edi, edi
mov dword [esp + 0x48], ebp
push ebp
inc edi
push eax
mov dword [esp + 0x54], edi
call fcn.00401100
mov ecx, dword [esp + 0xf8]
add esp, 0x18
mov dword [esp + 0x7c], edi
mov edi, ecx
mov dword [esp + 0x50], esi
and edi, 2
je 0x401bb8
xor eax, eax
xor edx, edx
mov word [esp + 0x80], ax
inc edx
jmp 0x401bc3
xor edx, edx
inc edx
mov word [esp + 0x80], dx
mov esi, dword [sym.imp.KERNEL32.dll_CreatePipe]
neg edi
sbb edi, edi
and edi, 0x10
add edi, 0x20
test cl, 0x40
je 0x401c05
mov eax, dword [esp + 0xe4]
test eax, eax
je 0x401c05
mov eax, dword [eax + 0xc]
test eax, eax
je 0x401c05
push 0x20
mov dword [esp + 0x80], 0x101
mov dword [esp + 0x8c], eax
pop edi
mov dword [esp + 0x1c], edx
jmp 0x401c54
mov eax, ecx
and eax, 0x14
cmp al, 0x14
jne 0x401c54
push ebp
lea eax, [esp + 0x38]
push eax
lea eax, [esp + 0x2c]
push eax
lea eax, [esp + 0x20]
push eax
call esi
test eax, eax
je 0x401c4d
mov eax, dword [esp + 0x14]
or dword [esp + 0x7c], 0x100
mov dword [esp + 0x88], eax
lea eax, [esp + 0x24]
push eax
call fcn.00401afd
pop ecx
push 0x20
pop edi
mov dword [esp + 0x1c], 1
mov ecx, dword [esp + 0xe0]
mov eax, ecx
and eax, 4
mov dword [esp + 0x30], eax
je 0x401cf2
test cl, 8
je 0x401cae
push ebp
lea eax, [esp + 0x38]
push eax
lea eax, [esp + 0x18]
push eax
lea eax, [esp + 0x2c]
push eax
call esi
test eax, eax
je 0x401ca7
mov eax, dword [esp + 0x10]
or dword [esp + 0x7c], 0x100
mov dword [esp + 0x8c], eax
lea eax, [esp + 0x20]
push eax
call fcn.00401afd
pop ecx
and edi, 0xffffffef
mov dword [esp + 0x1c], 1
mov ecx, dword [esp + 0xe0]
test cl, 0x20
je 0x401cf2
push ebp
lea eax, [esp + 0x38]
push eax
lea eax, [esp + 0x20]
push eax
lea eax, [esp + 0x34]
push eax
call esi
test eax, eax
je 0x401cf2
mov eax, dword [esp + 0x18]
or dword [esp + 0x7c], 0x100
mov dword [esp + 0x90], eax
lea eax, [esp + 0x28]
push eax
call fcn.00401afd
pop ecx
and edi, 0xffffffef
mov dword [esp + 0x1c], 1
test dword [esp + 0x7c], 0x100
je 0x401d3e
mov esi, dword [sym.imp.KERNEL32.dll_GetStdHandle]
cmp dword [esp + 0x88], ebx
jne 0x401d16
push 0xfffffffffffffff6
call esi
mov dword [esp + 0x88], eax
cmp dword [esp + 0x8c], ebx
jne 0x401d2a
push 0xfffffffffffffff5
call esi
mov dword [esp + 0x8c], eax
cmp dword [esp + 0x90], ebx
jne 0x401d3e
push 0xfffffffffffffff4
call esi
mov dword [esp + 0x90], eax
mov ebp, dword [esp + 0xd4]
mov eax, 0x44280c
test ebp, ebp
jne 0x401d50
mov ebp, eax
cmp dword [esp + 0xd8], ebx
jne 0x401d60
mov dword [esp + 0xd8], eax
push ebp
call fcn.00411bd7
push dword [esp + 0xdc]
mov esi, eax
call fcn.00411bd7
add esi, eax
pop ecx
pop ecx
lea eax, [esi*2 + 8]
push eax
xor eax, eax
push eax
push dword [0x44bf74]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
cmp word [ebp], 0x22
mov esi, eax
mov dword [esp + 0x2c], esi
je 0x401dbe
push 0x4427e8
push esi
call fcn.00411bb5
push ebp
push esi
call fcn.00411b84
push 0x4427e8
push esi
call fcn.00411b84
add esp, 0x18
jmp 0x401dc7
push ebp
push esi
call fcn.00411bb5
pop ecx
pop ecx
mov eax, dword [esp + 0xd8]
xor edx, edx
cmp word [eax], dx
je 0x401df2
push 0x4427fc
push esi
call fcn.00411b84
push dword [esp + 0xe0]
push esi
call fcn.00411b84
add esp, 0x10
xor edx, edx
mov ecx, dword [esp + 0xdc]
test ecx, ecx
je 0x401e0d
movzx eax, word [ecx]
neg eax
sbb eax, eax
and ecx, eax
mov dword [esp + 0xdc], ecx
lea eax, [esp + 0x40]
push eax
lea eax, [esp + 0x54]
push eax
push ecx
push edx
push edi
push dword [esp + 0x30]
push edx
push edx
push esi
push edx
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
je 0x401ece
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [esp + 0x10], ebx
je 0x401e42
push dword [esp + 0x10]
call esi
cmp dword [esp + 0x14], ebx
je 0x401e4e
push dword [esp + 0x14]
call esi
cmp dword [esp + 0x18], ebx
je 0x401e5a
push dword [esp + 0x18]
call esi
push dword [esp + 0x44]
call esi
test byte [esp + 0xe0], 1
je 0x401e76
push 0xffffffffffffffff
push dword [esp + 0x44]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp dword [esp + 0x30], ebx
je 0x401ec3
mov esi, 0x44c180
push esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
push 0x20
push 0x44c164
call fcn.004111cb
pop ecx
pop ecx
push esi
mov ebx, eax
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov eax, dword [esp + 0x40]
mov dword [ebx], eax
mov eax, dword [esp + 0x48]
mov dword [ebx + 4], eax
mov eax, dword [esp + 0x20]
mov dword [ebx + 0xc], eax
mov eax, dword [esp + 0x24]
mov dword [ebx + 8], eax
mov eax, dword [esp + 0x28]
jmp 0x402043
push dword [esp + 0x40]
call esi
jmp 0x40205b
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp dword [esp + 0x10], ebx
je 0x401ee0
push dword [esp + 0x10]
call edi
cmp dword [esp + 0x20], ebx
je 0x401eec
push dword [esp + 0x20]
call edi
cmp dword [esp + 0x24], ebx
je 0x401ef8
push dword [esp + 0x24]
call edi
cmp dword [esp + 0x14], ebx
je 0x401f04
push dword [esp + 0x14]
call edi
cmp dword [esp + 0x18], ebx
je 0x401f10
push dword [esp + 0x18]
call edi
cmp dword [esp + 0x28], ebx
je 0x401f1c
push dword [esp + 0x28]
call edi
test byte [esp + 0xe0], 0x78
jne 0x40205e
cmp dword [esp + 0xdc], ebx
jne 0x401f76
push ebp
call fcn.00411bd7
pop ecx
lea esi, [eax*2 - 2]
add esi, ebp
jmp 0x401f4e
cmp word [esi], 0x5c
je 0x401f54
sub esi, 2
cmp esi, ebp
ja 0x401f45
jmp 0x401f76
push ebp
push dword [esp + 0x30]
call fcn.00411bb5
mov eax, dword [esp + 0x34]
sub esi, ebp
pop ecx
sar esi, 1
pop ecx
xor ecx, ecx
mov dword [esp + 0xdc], eax
mov word [eax + esi*2 + 2], cx
push 0x3c
pop esi
xor eax, eax
push esi
push eax
lea eax, [esp + 0x9c]
push eax
call fcn.00401100
movzx eax, word [esp + 0x8c]
add esp, 0xc
mov dword [esp + 0xb0], eax
xor eax, eax
mov dword [esp + 0xa0], eax
mov eax, dword [esp + 0xdc]
mov dword [esp + 0xac], eax
mov eax, dword [esp + 0xd8]
mov dword [esp + 0xa8], eax
lea eax, [esp + 0x94]
push eax
mov dword [esp + 0x98], esi
mov dword [esp + 0x9c], 0x540
mov dword [esp + 0xa8], ebp
call dword [sym.imp.SHELL32.dll_ShellExecuteExW]
test eax, eax
je 0x40205e
test byte [esp + 0xe0], 1
je 0x402005
push 0xffffffffffffffff
push dword [esp + 0xd0]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp dword [esp + 0x30], ebx
je 0x402052
mov esi, 0x44c180
push esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
push 0x20
push 0x44c164
call fcn.004111cb
pop ecx
pop ecx
push esi
mov ebx, eax
call dword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov eax, dword [esp + 0xcc]
or dword [ebx + 4], 0xffffffff
mov dword [ebx], eax
xor eax, eax
mov dword [ebx + 0xc], eax
mov dword [ebx + 8], eax
mov dword [ebx + 0x10], eax
mov eax, dword [esp + 0xe0]
mov dword [ebx + 0x14], eax
jmp 0x40205e
push dword [esp + 0xcc]
call edi
xor ebx, ebx
inc ebx
push dword [esp + 0x2c]
xor eax, eax
push eax
push dword [0x44bf74]
call dword [sym.imp.KERNEL32.dll_HeapFree]
pop edi
pop esi
pop ebp
mov eax, ebx
pop ebx
add esp, 0xc0
ret 0x14