Function at 0x458e78
Capabilities:
Allocate or change rwx memory
Execute shellcode via indirect call
Parse pe header

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffebc
push ebx
push esi
push edi
mov byte [ebp - 2], cl
mov byte [ebp - 1], dl
mov esi, eax
xor eax, eax
mov dword [ebp - 0xc], eax
xor eax, eax
mov dword [ebp - 8], eax
xor edx, edx
push ebp
push 0x4590d9
push dword fs:[edx]
mov dword fs:[edx], esp
lea eax, [ebp - 0x4c]
mov ecx, 0x40
mov edx, esi
call fcn.00406b94
cmp word [ebp - 0x4c], 0x5a4d
je 0x458ed7
mov eax, 0x45dc48
mov edx, 0x45910c
call fcn.00403f68
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
jmp 0x4590f8
mov eax, dword [ebp - 0x10]
cdq
push edx
push eax
mov eax, esi
call fcn.00458758
mov edx, eax
lea eax, [ebp - 0x144]
mov ecx, 0xf8
call fcn.00406b94
cmp dword [ebp - 0x144], 0x4550
je 0x458f1e
mov eax, 0x45dc48
mov edx, 0x459144
call fcn.00403f68
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
jmp 0x4590f8
push 0x40
push 0x2000
mov eax, dword [ebp - 0xf4]
push eax
mov eax, dword [ebp - 0x110]
push eax
call sub.kernel32.dll_VirtualAlloc_1
mov ebx, eax
test ebx, ebx
jne 0x458f55
push 0x40
push 0x2000
mov eax, dword [ebp - 0xf4]
push eax
push 0
call sub.kernel32.dll_VirtualAlloc_1
mov ebx, eax
test ebx, ebx
jne 0x458f75
mov eax, 0x45dc48
mov edx, 0x459180
call fcn.00403f68
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
jmp 0x4590f8
push 0x11
push 0
call sub.kernel32.dll_GetProcessHeap
push eax
call sub.kernel32.dll_HeapAlloc
mov dword [ebp - 0xc], eax
mov eax, dword [ebp - 0xc]
mov dword [eax + 4], ebx
mov eax, dword [ebp - 0xc]
xor edx, edx
mov dword [eax + 0xc], edx
mov eax, dword [ebp - 0xc]
xor edx, edx
mov dword [eax + 8], edx
mov eax, dword [ebp - 0xc]
mov byte [eax + 0x10], 0
push 0x40
push 0x1000
mov eax, dword [ebp - 0xf4]
push eax
push ebx
call sub.kernel32.dll_VirtualAlloc_1
push 0x40
push 0x1000
mov eax, dword [ebp - 0xf0]
push eax
push ebx
call sub.kernel32.dll_VirtualAlloc_1
mov edi, eax
mov ecx, dword [ebp - 0x10]
add ecx, dword [ebp - 0xf0]
mov edx, esi
mov eax, edi
call fcn.00406b94
mov eax, edi
xor edx, edx
push edx
push eax
mov eax, dword [ebp - 0x10]
cdq
add eax, dword [esp]
adc edx, dword [esp + 4]
add esp, 8
mov ecx, eax
mov eax, dword [ebp - 0xc]
mov dword [eax], ecx
mov edi, ebx
mov dword [ecx + 0x34], edi
mov ecx, dword [ebp - 0xc]
lea edx, [ebp - 0x144]
mov eax, esi
call fcn.00458800
mov eax, ebx
xor edx, edx
push edx
push eax
mov eax, dword [ebp - 0x110]
xor edx, edx
sub dword [esp], eax
sbb dword [esp + 4], edx
pop eax
pop edx
test eax, eax
je 0x459035
push eax
mov eax, dword [ebp - 0xc]
push eax
call fcn.00458904
mov eax, dword [ebp - 0xc]
push eax
call fcn.004589ec
test al, al
jne 0x459056
mov eax, 0x45dc48
mov edx, 0x4591b0
call fcn.004041dc
call fcn.0040b718
mov al, byte [ebp - 1]
push eax
mov eax, dword [ebp - 0xc]
push eax
call fcn.00458d40
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
mov ecx, dword [eax + 0x28]
test ecx, ecx
je 0x4590cf
mov eax, ebx
xor edx, edx
push edx
push eax
mov eax, ecx
xor edx, edx
add eax, dword [esp]
adc edx, dword [esp + 4]
add esp, 8
mov esi, eax
test esi, esi
jne 0x45909d
mov eax, 0x45dc48
mov edx, 0x4591e8
call fcn.00403f68
call fcn.0040b718
cmp byte [ebp - 2], 0
je 0x4590c8
push 0
push 1
push edi
call esi
cmp eax, 1
sbb eax, eax
inc eax
test al, al
jne 0x4590c8
mov eax, 0x45dc48
mov edx, 0x45921c
call fcn.00403f68
call fcn.0040b718
mov eax, dword [ebp - 0xc]
mov byte [eax + 0x10], 1
xor eax, eax
pop edx
pop ecx
pop ecx
mov dword fs:[eax], edx
jmp 0x4590f2
mov eax, dword [ebp - 0xc]
mov dword [ebp - 8], eax
mov eax, dword [ebp - 8]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 8