Function at 0x500122
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.004d6ec0
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.004d6ec0
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 0x5001a1
xor edx, edx
mov word [esp + 0x88], dx
jmp 0x5001a9
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 0x5001f7
mov eax, dword [esp + 0xec]
test eax, eax
je 0x5001f7
mov eax, dword [eax + 0xc]
test eax, eax
je 0x5001f7
mov ebx, edx
mov dword [esp + 0x84], 0x101
mov dword [esp + 0x90], eax
mov dword [esp + 0x10], ebx
mov dword [esp + 0x20], 1
jmp 0x500251
mov eax, ecx
and eax, 0x14
cmp al, 0x14
jne 0x500251
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 0x50024a
mov eax, dword [esp + 0x18]
or dword [esp + 0x84], 0x100
mov dword [esp + 0x90], eax
lea eax, [esp + 0x28]
push eax
call fcn.005000cc
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 0x5002fd
test cl, 8
je 0x5002b2
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 0x5002ab
mov eax, dword [esp + 0x14]
or dword [esp + 0x84], 0x100
mov dword [esp + 0x94], eax
lea eax, [esp + 0x24]
push eax
call fcn.005000cc
and ebx, 0xffffffef
mov dword [esp + 0x24], 1
pop ecx
mov dword [esp + 0x10], ebx
mov ecx, dword [esp + 0xe8]
test cl, 0x20
je 0x5002fd
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 0x5002fd
mov eax, dword [esp + 0x1c]
or dword [esp + 0x84], 0x100
mov dword [esp + 0x98], eax
lea eax, [esp + 0x2c]
push eax
call fcn.005000cc
and ebx, 0xffffffef
mov dword [esp + 0x24], 1
pop ecx
mov dword [esp + 0x10], ebx
test dword [esp + 0x84], 0x100
je 0x50034c
mov esi, dword [sym.imp.KERNEL32.dll_GetStdHandle]
cmp dword [esp + 0x90], edi
jne 0x500324
push 0xfffffffffffffff6
call esi
mov dword [esp + 0x90], eax
cmp dword [esp + 0x94], edi
jne 0x500338
push 0xfffffffffffffff5
call esi
mov dword [esp + 0x94], eax
cmp dword [esp + 0x98], edi
jne 0x50034c
push 0xfffffffffffffff4
call esi
mov dword [esp + 0x98], eax
cmp dword [esp + 0xdc], edi
mov ebx, 0x61e260
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.004cc103
push ebx
mov esi, eax
call fcn.004cc103
add eax, esi
pop ecx
pop ecx
lea eax, [eax*2 + 8]
push eax
xor eax, eax
push eax
push dword [0x694170]
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
cmp word [ebp], 0x22
mov ebx, eax
je 0x5003ca
mov esi, 0x634ce0
push esi
push ebx
call fcn.005f3ec6
push ebp
push ebx
call fcn.005f3ee8
push esi
push ebx
call fcn.005f3ee8
add esp, 0x18
jmp 0x5003d3
push ebp
push ebx
call fcn.005f3ec6
pop ecx
pop ecx
mov ebp, dword [esp + 0x34]
xor ecx, ecx
cmp word [ebp], cx
je 0x5003f6
push 0x634ce4
push ebx
call fcn.005f3ee8
push ebp
push ebx
call fcn.005f3ee8
add esp, 0x10
xor ecx, ecx
mov ebp, dword [esp + 0xe4]
test ebp, ebp
je 0x50040a
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 0x5004cc
cmp dword [esp + 0x14], edi
je 0x500442
push dword [esp + 0x14]
call esi
cmp dword [esp + 0x18], edi
je 0x50044e
push dword [esp + 0x18]
call esi
cmp dword [esp + 0x1c], edi
je 0x50045a
push dword [esp + 0x1c]
call esi
push dword [esp + 0x4c]
call esi
test byte [esp + 0xe8], 1
je 0x500476
push 0xffffffffffffffff
push dword [esp + 0x4c]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp dword [esp + 0x38], edi
je 0x5004c3
mov esi, 0x6973dc
push esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
push 0x20
push 0x695648
call fcn.00523089
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 0x500632
push dword [esp + 0x48]
jmp 0x500648
cmp dword [esp + 0x14], edi
je 0x5004d8
push dword [esp + 0x14]
call esi
cmp dword [esp + 0x24], edi
je 0x5004e4
push dword [esp + 0x24]
call esi
cmp dword [esp + 0x28], edi
je 0x5004f0
push dword [esp + 0x28]
call esi
cmp dword [esp + 0x18], edi
je 0x5004fc
push dword [esp + 0x18]
call esi
cmp dword [esp + 0x1c], edi
je 0x500508
push dword [esp + 0x1c]
call esi
cmp dword [esp + 0x2c], edi
je 0x500514
push dword [esp + 0x2c]
call esi
test byte [esp + 0xe8], 0x78
jne 0x50064d
test ebp, ebp
jne 0x500569
push dword [esp + 0x30]
call fcn.004cc103
pop ecx
mov ecx, dword [esp + 0x30]
lea esi, [ecx - 2]
lea esi, [esi + eax*2]
jmp 0x500545
cmp word [esi], 0x5c
je 0x50054b
sub esi, 2
cmp esi, ecx
ja 0x50053c
jmp 0x500563
push ecx
push ebx
call fcn.005f3ec6
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.004d6ec0
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 0x50064d
test byte [esp + 0xe8], 1
je 0x5005f4
push 0xffffffffffffffff
push dword [esp + 0xd8]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp dword [esp + 0x38], edi
je 0x500641
mov esi, 0x6973dc
push esi
call dword [sym.imp.KERNEL32.dll_EnterCriticalSection]
push 0x20
push 0x695648
call fcn.00523089
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 0x50064d
push dword [esp + 0xd4]
call esi
xor edi, edi
inc edi
push ebx
xor eax, eax
push eax
push dword [0x694170]
call dword [sym.imp.KERNEL32.dll_HeapFree]
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0xc8
ret 0x14