Function at 0x401f00
Capabilities:
Get system information on windows
Parse pe header

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x5c
push ebx
mov ebx, edx
mov edx, ecx
push esi
xor esi, esi
mov dword [ebp - 0x18], ebx
mov dword [ebp - 4], edx
push edi
cmp ebx, 0x40
jb 0x401f38
mov eax, 0x5a4d
cmp word [edx], ax
jne 0x402486
mov ecx, dword [edx + 0x3c]
mov dword [ebp - 0x20], ecx
lea eax, [ecx + 0xf8]
cmp ebx, eax
jae 0x401f49
push 0xd
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
cmp dword [ecx + edx], 0x4550
lea ebx, [ecx + edx]
mov dword [ebp - 0x1c], ebx
jne 0x402486
mov eax, 0x14c
cmp word [ebx + 4], ax
jne 0x402486
mov ecx, dword [ebx + 0x38]
test cl, 1
jne 0x402486
movzx edx, word [ebx + 0x14]
movzx edi, word [ebx + 6]
add edx, 0x24
test edi, edi
je 0x401fa5
add edx, ebx
mov eax, dword [edx + 4]
lea edx, [edx + 0x28]
test eax, eax
cmovne ecx, eax
add ecx, dword [edx - 0x28]
cmp ecx, esi
cmovbe ecx, esi
mov esi, ecx
mov ecx, dword [ebx + 0x38]
sub edi, 1
jne 0x401f88
lea eax, [ebp - 0x5c]
push eax
call dword [sym.imp.KERNEL32.dll_GetNativeSystemInfo]
mov ecx, dword [ebp - 0x58]
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 0x402486
mov esi, dword [sym.imp.KERNEL32.dll_VirtualAlloc]
push 4
push 0x3000
push edi
push dword [ebx + 0x34]
call esi
mov dword [ebp - 8], eax
test eax, eax
jne 0x401ffa
push 4
push 0x3000
push edi
push eax
call esi
mov dword [ebp - 8], eax
test eax, eax
je 0x402028
mov eax, dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push 0x40
push 8
mov dword [ebp - 0x24], eax
call eax
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ecx, dword [ebp - 8]
mov edi, eax
mov dword [ebp - 0x10], edi
test edi, edi
jne 0x402039
push 0x8000
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_VirtualFree]
push 0xe
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
mov dword [edi + 4], ecx
movzx eax, word [ebx + 0x16]
shr eax, 0xd
and eax, 1
mov dword [edi + 0x1c], 0x401e80
mov dword [edi + 0x14], eax
mov dword [edi + 0x20], 0x401ea0
mov dword [edi + 0x24], 0x401ec0
mov dword [edi + 0x28], 0x401ed0
mov dword [edi + 0x2c], 0x401ef0
mov dword [edi + 0x34], 0
mov eax, dword [ebp - 0x58]
mov dword [edi + 0x3c], eax
mov eax, dword [ebx + 0x54]
cmp dword [ebp - 0x18], eax
jae 0x402118
push 0xd
call dword [sym.imp.KERNEL32.dll_SetLastError]
cmp dword [edi + 0x10], 0
je 0x4020a4
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
push dword [edi + 0x30]
call fcn.00407c59
mov eax, dword [edi + 8]
add esp, 4
test eax, eax
je 0x4020e8
xor esi, esi
cmp dword [edi + 0xc], esi
jle 0x4020df
nop dword [eax]
mov eax, dword [edi + 8]
mov ecx, dword [eax + esi*4]
test ecx, ecx
je 0x4020d9
push dword [edi + 0x34]
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 0x4020c0
push eax
call fcn.00407c59
add esp, 4
mov eax, dword [edi + 4]
test eax, eax
je 0x402102
push dword [edi + 0x34]
push 0x8000
push 0
push eax
mov eax, dword [edi + 0x20]
call eax
add esp, 0x10
push edi
push 0
call dword [ebp - 0x24]
push eax
call dword [sym.imp.KERNEL32.dll_HeapFree]
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
push 4
push 0x1000
push eax
push ecx
call esi
push dword [ebx + 0x54]
mov esi, eax
push dword [ebp - 4]
push esi
call fcn.00404e30
mov eax, dword [ebp - 4]
add esp, 0xc
mov ecx, dword [ebp - 8]
mov dword [ebp - 0x14], 0
mov eax, dword [eax + 0x3c]
add eax, esi
xor esi, esi
mov dword [edi], eax
mov dword [eax + 0x34], ecx
mov ecx, dword [edi]
mov edx, dword [edi + 4]
mov dword [ebp - 0xc], edx
movzx eax, word [ecx + 0x14]
add eax, 0x24
cmp si, word [ecx + 6]
jae 0x40221f
lea ebx, [eax + ecx]
nop dword [eax]
mov ecx, dword [ebx + 4]
test ecx, ecx
jne 0x4021b8
mov eax, dword [ebp - 0x20]
mov ecx, dword [ebp - 4]
mov esi, dword [eax + ecx + 0x38]
test esi, esi
jle 0x402204
push dword [edi + 0x34]
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 0x40208d
mov eax, dword [ebx]
add eax, dword [ebp - 0xc]
push esi
push 0
push eax
mov dword [ebx - 4], eax
call fcn.00404780
jmp 0x4021fe
mov eax, dword [ebx + 8]
add eax, ecx
cmp dword [ebp - 0x18], eax
jb 0x402085
push dword [edi + 0x34]
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 0x40208d
push dword [ebx + 4]
mov eax, dword [ebx + 8]
mov esi, dword [ebx]
add eax, dword [ebp - 4]
add esi, dword [ebp - 0xc]
push eax
push esi
call fcn.00404e30
mov dword [ebx - 4], esi
mov edx, dword [ebp - 0xc]
add esp, 0xc
mov ecx, dword [edi]
add ebx, 0x28
mov esi, dword [ebp - 0x14]
inc esi
mov dword [ebp - 0x14], esi
movzx eax, word [ecx + 6]
cmp esi, eax
jl 0x402170
mov ebx, dword [ebp - 0x1c]
mov eax, dword [ecx + 0x34]
sub eax, dword [ebx + 0x34]
mov dword [ebp - 0x1c], eax
je 0x4022ad
cmp dword [ecx + 0xa4], 0
jne 0x40223b
xor eax, eax
jmp 0x4022b2
mov edx, dword [edi + 4]
mov ebx, dword [ecx + 0xa0]
add ebx, edx
mov dword [ebp - 0x18], edx
mov eax, dword [ebx]
test eax, eax
je 0x4022ad
nop
mov ecx, dword [ebx + 4]
add eax, edx
mov dword [ebp - 0x20], eax
lea edx, [ebx + 8]
xor esi, esi
lea eax, [ecx - 8]
test eax, 0xfffffffe
jbe 0x40229e
mov edi, dword [ebp - 0x20]
nop word [eax + eax]
movzx eax, word [edx]
mov ecx, eax
and ecx, 0xf000
cmp ecx, 0x3000
jne 0x40228e
mov ecx, dword [ebp - 0x1c]
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 0x402270
mov eax, dword [ebx + ecx]
add ebx, ecx
mov edx, dword [ebp - 0x18]
test eax, eax
jne 0x402250
mov edi, dword [ebp - 0x10]
mov eax, 1
mov ecx, edi
mov dword [edi + 0x18], eax
call fcn.00401d20
test eax, eax
je 0x40208d
mov ebx, dword [edi]
mov ecx, dword [edi + 0x3c]
neg ecx
movzx esi, word [ebx + 0x14]
add esi, ebx
mov eax, dword [esi + 0x20]
and ecx, eax
mov edx, dword [esi + 0x28]
mov dword [ebp - 0x14], eax
mov dword [ebp - 0x38], eax
mov dword [ebp - 0x1c], ecx
mov dword [ebp - 0x34], ecx
test edx, edx
jne 0x4022fc
mov eax, dword [esi + 0x3c]
test al, 0x40
je 0x4022f5
mov edx, dword [ebx + 0x20]
jmp 0x4022fc
test al, al
jns 0x4022fc
mov edx, dword [ebx + 0x24]
mov ecx, dword [esi + 0x3c]
mov eax, 1
mov dword [ebp - 0x30], edx
mov dword [ebp - 0x2c], ecx
mov dword [ebp - 0x28], 0
mov dword [ebp - 0x20], 1
cmp ax, word [ebx + 6]
jae 0x4023e5
lea eax, [esi + 0x64]
mov dword [ebp - 4], eax
nop dword [eax + eax]
mov esi, dword [eax - 0x1c]
mov dword [ebp - 0x18], esi
mov esi, dword [edi + 0x3c]
mov edi, dword [eax - 0x14]
neg esi
and esi, dword [ebp - 0x18]
test edi, edi
mov dword [ebp - 0xc], edi
mov edi, dword [ebp - 0x10]
jne 0x402363
test byte [eax], 0x40
je 0x402355
mov edi, dword [ebx + 0x20]
jmp 0x40235d
test byte [eax], 0x80
je 0x402363
mov edi, dword [ebx + 0x24]
mov dword [ebp - 0xc], edi
mov edi, dword [ebp - 0x10]
cmp dword [ebp - 0x1c], esi
je 0x4023a3
mov eax, dword [ebp - 0x14]
add eax, edx
cmp eax, esi
ja 0x4023a0
lea edx, [ebp - 0x38]
mov ecx, edi
call fcn.00401c70
test eax, eax
je 0x40208d
mov eax, dword [ebp - 0x18]
mov edx, dword [ebp - 0xc]
mov ebx, dword [edi]
mov dword [ebp - 0x14], eax
mov dword [ebp - 0x38], eax
mov eax, esi
mov dword [ebp - 0x1c], eax
mov dword [ebp - 0x34], eax
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
jmp 0x4023c3
mov eax, dword [ebp - 4]
mov edx, dword [eax]
mov eax, ecx
and eax, edx
or ecx, edx
bt eax, 0x19
jb 0x4023b7
and ecx, 0xfdffffff
mov edx, dword [ebp - 0xc]
sub edx, dword [ebp - 0x14]
add edx, dword [ebp - 0x18]
mov eax, dword [ebp - 4]
mov esi, dword [ebp - 0x20]
add eax, 0x28
mov dword [ebp - 4], eax
inc esi
movzx eax, word [ebx + 6]
cmp esi, eax
mov dword [ebp - 0x2c], ecx
mov eax, dword [ebp - 4]
mov dword [ebp - 0x30], edx
mov dword [ebp - 0x20], esi
jl 0x402330
lea edx, [ebp - 0x38]
mov dword [ebp - 0x28], 1
mov ecx, edi
call fcn.00401c70
test eax, eax
je 0x40208d
mov edx, dword [edi]
mov ecx, edx
mov esi, dword [edx + 0xc0]
test esi, esi
je 0x402433
mov ebx, dword [edi + 4]
mov esi, dword [ebx + esi + 0xc]
test esi, esi
je 0x402433
mov eax, dword [esi]
test eax, eax
je 0x402433
nop dword [eax]
push 0
push 1
push ebx
call eax
mov eax, dword [esi + 4]
lea esi, [esi + 4]
test eax, eax
jne 0x402420
mov ecx, dword [edi]
mov eax, dword [ecx + 0x28]
test eax, eax
je 0x402476
mov ecx, dword [ebp - 8]
add eax, ecx
cmp dword [edi + 0x14], 0
je 0x40246a
push 0
push 1
push ecx
call eax
test eax, eax
jne 0x40245a
push 0x45a
jmp 0x402087
mov dword [edi + 0x10], 1
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov dword [edi + 0x38], eax
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov dword [edi + 0x38], 0
mov eax, edi
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push 0xc1
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret