Function at 0x40a890
Capabilities:
Get system information on windows
Parse pe header

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x48
mov eax, dword [0x44f008]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
xor esi, esi
mov dword [ebp - 0x3c], edx
mov dword [ebp - 0x40], ecx
push edi
cmp edx, 0x40
jb 0x40a8ca
mov eax, 0x5a4d
cmp word [ecx], ax
jne 0x40acf4
mov eax, dword [ecx + 0x3c]
add eax, 0xf8
cmp edx, eax
jae 0x40a8d1
push 0xd
jmp 0x40acf9
mov ebx, dword [ecx + 0x3c]
add ebx, ecx
mov dword [ebp - 0x34], ebx
cmp dword [ebx], 0x4550
jne 0x40acf4
mov eax, 0x14c
cmp word [ebx + 4], ax
jne 0x40acf4
mov eax, dword [ebx + 0x38]
mov dword [ebp - 0x2c], eax
test al, 1
jne 0x40acf4
movzx ecx, word [ebx + 0x14]
movzx edi, word [ebx + 6]
add ecx, 0x24
test edi, edi
je 0x40a937
add ecx, ebx
mov ebx, eax
mov eax, dword [ecx + 4]
mov edx, dword [ecx]
test eax, eax
jne 0x40a923
lea eax, [edx + ebx]
jmp 0x40a925
add eax, edx
cmp eax, esi
cmovbe eax, esi
add ecx, 0x28
mov esi, eax
sub edi, 1
jne 0x40a915
mov ebx, dword [ebp - 0x34]
lea eax, [ebp - 0x28]
push eax
call dword [sym.imp.KERNEL32.dll_GetNativeSystemInfo]
mov ecx, dword [ebp - 0x24]
lea edx, [ecx - 1]
lea edi, [ecx - 1]
not edx
add edi, dword [ebx + 0x50]
lea eax, [ecx - 1]
add eax, esi
and edi, edx
and eax, edx
cmp edi, eax
jne 0x40acf4
mov esi, dword [sym.imp.KERNEL32.dll_VirtualAlloc]
push 4
push 0x3000
push edi
push dword [ebx + 0x34]
call esi
mov dword [ebp - 0x30], eax
test eax, eax
jne 0x40a98c
push 4
push 0x3000
push edi
push eax
call esi
mov dword [ebp - 0x30], eax
test eax, eax
je 0x40a9ba
mov eax, dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push 0x3c
push 8
mov dword [ebp - 0x48], eax
call eax
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ecx, dword [ebp - 0x30]
mov edi, eax
mov dword [ebp - 0x44], edi
test edi, edi
jne 0x40a9c1
push 0x8000
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_VirtualFree]
push 0xe
jmp 0x40acf9
mov dword [edi + 4], ecx
movzx eax, word [ebx + 0x16]
shr eax, 0xd
and eax, 1
mov dword [edi + 0x1c], 0x40a460
mov dword [edi + 0x14], eax
mov dword [edi + 0x20], 0x40a480
mov dword [edi + 0x24], 0x40a4a0
mov dword [edi + 0x28], 0x40a4b0
mov dword [edi + 0x2c], 0x40a4d0
mov dword [edi + 0x30], 0
mov eax, dword [ebp - 0x24]
mov dword [edi + 0x38], eax
mov eax, dword [ebp - 0x3c]
cmp eax, dword [ebx + 0x54]
jae 0x40aa9f
push 0xd
call dword [sym.imp.KERNEL32.dll_SetLastError]
cmp dword [edi + 0x10], 0
je 0x40aa2c
mov eax, dword [edi]
mov ecx, dword [edi + 4]
push 0
push 0
mov eax, dword [eax + 0x28]
push ecx
add eax, ecx
call eax
mov eax, dword [edi + 8]
test eax, eax
je 0x40aa65
xor esi, esi
cmp dword [edi + 0xc], esi
jle 0x40aa5c
nop word [eax + eax]
mov ecx, dword [eax + esi*4]
test ecx, ecx
je 0x40aa56
push dword [edi + 0x30]
mov eax, dword [edi + 0x2c]
push ecx
call eax
mov eax, dword [edi + 8]
add esp, 8
inc esi
cmp esi, dword [edi + 0xc]
jl 0x40aa40
push eax
call fcn.00421065
add esp, 4
mov eax, dword [edi + 4]
test eax, eax
je 0x40aa7f
push dword [edi + 0x30]
push 0x8000
push 0
push eax
mov eax, dword [edi + 0x20]
call eax
add esp, 0x10
push edi
push 0
call dword [ebp - 0x48]
push eax
call dword [sym.imp.KERNEL32.dll_HeapFree]
pop edi
pop esi
xor eax, eax
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00418044
mov esp, ebp
pop ebp
ret
push 4
push 0x1000
push dword [ebx + 0x54]
push ecx
call esi
push dword [ebx + 0x54]
mov esi, eax
push dword [ebp - 0x40]
push esi
call fcn.0041b920
mov eax, dword [ebp - 0x40]
add esp, 0xc
mov ecx, dword [ebp - 0x30]
mov dword [ebp - 0x2c], 0
mov eax, dword [eax + 0x3c]
add eax, esi
xor esi, esi
mov dword [edi], eax
mov dword [eax + 0x34], ecx
mov eax, dword [edi]
mov edx, dword [edi + 4]
mov dword [ebp - 0x38], edx
movzx ecx, word [eax + 0x14]
add ecx, 0x24
cmp si, word [eax + 6]
jae 0x40ab9d
lea ebx, [ecx + eax]
mov ecx, dword [ebx + 4]
test ecx, ecx
jne 0x40ab36
mov eax, dword [ebp - 0x34]
mov esi, dword [eax + 0x38]
test esi, esi
jle 0x40ab82
push dword [edi + 0x30]
mov eax, dword [ebx]
push 4
push 0x1000
add eax, edx
push esi
push eax
mov eax, dword [edi + 0x1c]
call eax
add esp, 0x14
test eax, eax
je 0x40aa15
mov eax, dword [ebx]
add eax, dword [ebp - 0x38]
push esi
push 0
push eax
mov dword [ebx - 4], eax
call fcn.0041b750
jmp 0x40ab7c
mov eax, dword [ebx + 8]
add eax, ecx
cmp dword [ebp - 0x3c], eax
jb 0x40aa0d
push dword [edi + 0x30]
mov eax, dword [ebx]
push 4
push 0x1000
add eax, edx
push ecx
push eax
mov eax, dword [edi + 0x1c]
call eax
add esp, 0x14
test eax, eax
je 0x40aa15
push dword [ebx + 4]
mov eax, dword [ebx + 8]
mov esi, dword [ebx]
add eax, dword [ebp - 0x40]
add esi, dword [ebp - 0x38]
push eax
push esi
call fcn.0041b920
mov dword [ebx - 4], esi
mov edx, dword [ebp - 0x38]
add esp, 0xc
mov eax, dword [edi]
add ebx, 0x28
mov esi, dword [ebp - 0x2c]
inc esi
mov dword [ebp - 0x2c], esi
movzx eax, word [eax + 6]
cmp esi, eax
jl 0x40aaf2
mov ebx, dword [ebp - 0x34]
mov ecx, dword [edi]
mov eax, dword [ecx + 0x34]
sub eax, dword [ebx + 0x34]
mov dword [ebp - 0x3c], eax
je 0x40ac2d
cmp dword [ecx + 0xa4], 0
jne 0x40abbb
xor eax, eax
jmp 0x40ac32
mov edx, dword [edi + 4]
mov ebx, dword [ecx + 0xa0]
add ebx, edx
mov dword [ebp - 0x34], edx
mov eax, dword [ebx]
test eax, eax
je 0x40ac2d
nop
mov ecx, dword [ebx + 4]
add eax, edx
mov dword [ebp - 0x2c], eax
lea edx, [ebx + 8]
xor esi, esi
lea eax, [ecx - 8]
test eax, 0xfffffffe
jbe 0x40ac1e
mov edi, dword [ebp - 0x2c]
nop word [eax + eax]
movzx eax, word [edx]
mov ecx, eax
and ecx, 0xf000
cmp ecx, 0x3000
jne 0x40ac0e
mov ecx, dword [ebp - 0x3c]
and eax, 0xfff
add dword [eax + edi], ecx
mov ecx, dword [ebx + 4]
inc esi
add edx, 2
lea eax, [ecx - 8]
shr eax, 1
cmp esi, eax
jb 0x40abf0
mov eax, dword [ebx + ecx]
add ebx, ecx
mov edx, dword [ebp - 0x34]
test eax, eax
jne 0x40abd0
mov edi, dword [ebp - 0x44]
mov eax, 1
mov ecx, edi
mov dword [edi + 0x18], eax
call fcn.0040a4e0
test eax, eax
je 0x40aa15
mov ecx, edi
call fcn.0040a710
test eax, eax
je 0x40aa15
mov eax, dword [edi]
mov esi, dword [eax + 0xc0]
test esi, esi
je 0x40ac81
mov ebx, dword [edi + 4]
mov esi, dword [esi + ebx + 0xc]
test esi, esi
je 0x40ac81
mov eax, dword [esi]
test eax, eax
je 0x40ac81
push 0
push 1
push ebx
call eax
mov eax, dword [esi + 4]
lea esi, [esi + 4]
test eax, eax
jne 0x40ac70
mov eax, dword [edi]
mov eax, dword [eax + 0x28]
test eax, eax
je 0x40acda
mov ecx, dword [ebp - 0x30]
add eax, ecx
cmp dword [edi + 0x14], 0
je 0x40acc4
push 0
push 1
push ecx
call eax
test eax, eax
jne 0x40acaa
push 0x45a
jmp 0x40aa0f
mov dword [edi + 0x10], 1
mov eax, edi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00418044
mov esp, ebp
pop ebp
ret
mov dword [edi + 0x34], eax
mov eax, edi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00418044
mov esp, ebp
pop ebp
ret
mov dword [edi + 0x34], 0
mov eax, edi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00418044
mov esp, ebp
pop ebp
ret
push 0xc1
call dword [sym.imp.KERNEL32.dll_SetLastError]
mov ecx, dword [ebp - 4]
xor eax, eax
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00418044
mov esp, ebp
pop ebp
ret