Function at 0x403020
Capabilities:
Enumerate pe sections
Get system information on windows
Parse pe header

Disassembly:
sub esp, 0x54
push ebx
push ebp
mov ebx, edx
mov edx, ecx
push esi
xor esi, esi
mov dword [esp + 0x10], ebx
mov dword [esp + 0x18], edx
push edi
cmp ebx, 0x40
jb 0x403055
mov eax, 0x5a4d
cmp word [edx], ax
jne 0x40352a
mov ecx, dword [edx + 0x3c]
lea eax, [ecx + 0xf8]
cmp ebx, eax
jae 0x403067
push 0xd
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x54
ret
cmp dword [ecx + edx], 0x4550
lea ebp, [ecx + edx]
jne 0x40352a
mov eax, 0x14c
cmp word [ebp + 4], ax
jne 0x40352a
mov ebx, dword [ebp + 0x38]
test bl, 1
jne 0x40352a
movzx edx, word [ebp + 0x14]
movzx edi, word [ebp + 6]
add edx, 0x24
test edi, edi
je 0x4030bf
add edx, ebp
mov eax, dword [edx + 4]
lea edx, [edx + 0x28]
test eax, eax
mov ecx, ebx
cmovne ecx, eax
add ecx, dword [edx - 0x28]
cmp ecx, esi
cmovbe ecx, esi
mov esi, ecx
sub edi, 1
jne 0x4030a3
lea eax, [esp + 0x40]
push eax
call dword [sym.imp.KERNEL32.dll_GetNativeSystemInfo]
mov ecx, dword [esp + 0x44]
lea edx, [ecx - 1]
lea edi, [ecx - 1]
not edx
add edi, dword [ebp + 0x50]
lea eax, [ecx - 1]
add eax, esi
and edi, edx
and eax, edx
cmp edi, eax
jne 0x40352a
mov esi, dword [sym.imp.KERNEL32.dll_VirtualAlloc]
push 4
push 0x3000
push edi
push dword [ebp + 0x34]
call esi
mov ebx, eax
mov dword [esp + 0x18], ebx
test ebx, ebx
jne 0x40311c
push 4
push 0x3000
push edi
push eax
call esi
mov ebx, eax
mov dword [esp + 0x18], eax
test ebx, ebx
je 0x403144
push 0x40
push 8
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov edi, eax
mov dword [esp + 0x28], edi
test edi, edi
jne 0x403156
push 0x8000
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_VirtualFree]
push 0xe
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x54
ret
mov ecx, dword [esp + 0x14]
mov dword [edi + 4], ebx
movzx eax, word [ebp + 0x16]
shr eax, 0xd
and eax, 1
mov dword [edi + 0x1c], 0x403590
mov dword [edi + 0x14], eax
mov eax, dword [esp + 0x7c]
mov dword [edi + 0x20], 0x403570
mov dword [edi + 0x24], fcn.00403c30
mov dword [edi + 0x28], 0x403fd0
mov dword [edi + 0x2c], 0x403f80
mov dword [edi + 0x34], eax
mov eax, dword [esp + 0x44]
mov dword [edi + 0x3c], eax
mov edx, dword [ebp + 0x54]
call fcn.00403b20
test eax, eax
je 0x4032cc
push 4
push 0x1000
push dword [ebp + 0x54]
push ebx
call esi
push dword [ebp + 0x54]
mov ebx, dword [esp + 0x20]
mov esi, eax
push ebx
push esi
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebx + 0x3c]
add esp, 0xc
mov ecx, dword [esp + 0x18]
add eax, esi
mov dword [edi], eax
mov dword [esp + 0x20], 0
mov dword [eax + 0x34], ecx
xor eax, eax
mov ecx, dword [edi]
mov edx, dword [edi + 4]
mov dword [esp + 0x10], edx
movzx ebx, word [ecx + 0x14]
add ebx, 0x24
cmp ax, word [ecx + 6]
jae 0x4032a4
add ebx, ecx
nop
mov ecx, dword [ebx + 4]
test ecx, ecx
jne 0x403242
mov esi, dword [ebp + 0x38]
test esi, esi
jle 0x40328a
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 0x4032cc
mov eax, dword [ebx]
add eax, dword [esp + 0x10]
push esi
push 0
push eax
mov dword [ebx - 4], eax
call sub.VCRUNTIME140.dll_memset
jmp 0x403283
mov eax, dword [ebx + 8]
add eax, ecx
cmp dword [esp + 0x14], eax
jb 0x4032c4
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 0x4032cc
push dword [ebx + 4]
mov eax, dword [ebx + 8]
mov esi, dword [ebx]
add eax, dword [esp + 0x20]
add esi, dword [esp + 0x14]
push eax
push esi
call sub.VCRUNTIME140.dll_memcpy
mov dword [ebx - 4], esi
mov edx, dword [esp + 0x1c]
add esp, 0xc
mov ecx, dword [edi]
add ebx, 0x28
mov esi, dword [esp + 0x20]
inc esi
mov dword [esp + 0x20], esi
movzx eax, word [ecx + 6]
cmp esi, eax
jl 0x403200
mov eax, dword [ecx + 0x34]
sub eax, dword [ebp + 0x34]
mov dword [esp + 0x24], eax
je 0x40334c
cmp dword [ecx + 0xa4], 0
jne 0x4032dd
xor eax, eax
jmp 0x403351
push 0xd
call dword [sym.imp.KERNEL32.dll_SetLastError]
mov ecx, edi
call fcn.00402dc0
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x54
ret
mov edx, dword [edi + 4]
mov ebx, dword [ecx + 0xa0]
add ebx, edx
mov dword [esp + 0x20], edx
mov eax, dword [ebx]
test eax, eax
je 0x40334c
mov edi, dword [esp + 0x24]
mov ecx, dword [ebx + 4]
lea ebp, [eax + edx]
xor esi, esi
lea edx, [ebx + 8]
lea eax, [ecx - 8]
test eax, 0xfffffffe
jbe 0x40333b
nop dword [eax + eax]
movzx eax, word [edx]
mov ecx, eax
and ecx, 0xf000
cmp ecx, 0x3000
jne 0x40332b
and eax, 0xfff
add dword [eax + ebp], edi
mov ecx, dword [ebx + 4]
inc esi
add edx, 2
lea eax, [ecx - 8]
shr eax, 1
cmp esi, eax
jb 0x403310
mov eax, dword [ebx + ecx]
add ebx, ecx
mov edx, dword [esp + 0x20]
test eax, eax
jne 0x4032f6
mov edi, dword [esp + 0x28]
mov eax, 1
mov ecx, edi
mov dword [edi + 0x18], eax
call fcn.004035b0
test eax, eax
je 0x4032cc
mov ebx, dword [edi]
mov ecx, dword [edi + 0x3c]
neg ecx
movzx ebp, word [ebx + 0x14]
add ebp, ebx
mov eax, dword [ebp + 0x20]
and ecx, eax
mov dword [esp + 0x20], ecx
mov dword [esp + 0x30], ecx
mov ecx, dword [ebp + 0x28]
mov dword [esp + 0x14], eax
mov dword [esp + 0x2c], eax
test ecx, ecx
jne 0x40339f
mov eax, dword [ebp + 0x3c]
test al, 0x40
je 0x403398
mov ecx, dword [ebx + 0x20]
jmp 0x40339f
test al, al
jns 0x40339f
mov ecx, dword [ebx + 0x24]
mov edx, dword [ebp + 0x3c]
mov eax, 1
mov dword [esp + 0x34], ecx
mov dword [esp + 0x38], edx
mov dword [esp + 0x3c], 0
mov dword [esp + 0x24], 1
cmp ax, word [ebx + 6]
jae 0x403485
add ebp, 0x64
nop dword [eax]
mov esi, dword [edi + 0x3c]
mov eax, dword [ebp - 0x1c]
neg esi
and esi, eax
mov dword [esp + 0x1c], eax
mov eax, dword [ebp - 0x14]
mov dword [esp + 0x10], eax
test eax, eax
jne 0x403400
mov eax, dword [ebp]
test al, 0x40
je 0x4033f5
mov eax, dword [ebx + 0x20]
jmp 0x4033fc
test al, al
jns 0x403400
mov eax, dword [ebx + 0x24]
mov dword [esp + 0x10], eax
cmp dword [esp + 0x20], esi
je 0x403444
mov eax, dword [esp + 0x14]
add eax, ecx
cmp eax, esi
ja 0x403444
lea edx, [esp + 0x2c]
mov ecx, edi
call fcn.00403960
test eax, eax
je 0x4032cc
mov eax, dword [esp + 0x1c]
mov ecx, dword [esp + 0x10]
mov edx, dword [ebp]
mov ebx, dword [edi]
mov dword [esp + 0x14], eax
mov dword [esp + 0x2c], eax
mov eax, esi
mov dword [esp + 0x20], eax
mov dword [esp + 0x30], eax
jmp 0x403465
mov ecx, dword [ebp]
mov eax, ecx
and eax, edx
or edx, ecx
bt eax, 0x19
jb 0x403459
and edx, 0xfdffffff
mov ecx, dword [esp + 0x10]
sub ecx, dword [esp + 0x14]
add ecx, dword [esp + 0x1c]
mov esi, dword [esp + 0x24]
add ebp, 0x28
movzx eax, word [ebx + 6]
inc esi
mov dword [esp + 0x38], edx
mov dword [esp + 0x34], ecx
mov dword [esp + 0x24], esi
cmp esi, eax
jl 0x4033d0
lea edx, [esp + 0x2c]
mov dword [esp + 0x3c], 1
mov ecx, edi
call fcn.00403960
test eax, eax
je 0x4032cc
mov edx, dword [edi]
mov ecx, edx
mov esi, dword [edx + 0xc0]
test esi, esi
je 0x4034d3
mov ebx, dword [edi + 4]
mov esi, dword [ebx + esi + 0xc]
test esi, esi
je 0x4034d3
mov eax, dword [esi]
test eax, eax
je 0x4034d3
nop
push 0
push 1
push ebx
call eax
mov eax, dword [esi + 4]
lea esi, [esi + 4]
test eax, eax
jne 0x4034c0
mov ecx, dword [edi]
mov eax, dword [ecx + 0x28]
test eax, eax
je 0x403519
mov ecx, dword [esp + 0x18]
add eax, ecx
cmp dword [edi + 0x14], 0
je 0x40350c
push 0
push 1
push ecx
call eax
test eax, eax
jne 0x4034fb
push 0x45a
jmp 0x4032c6
mov dword [edi + 0x10], 1
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x54
ret
mov dword [edi + 0x38], eax
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x54
ret
mov dword [edi + 0x38], 0
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x54
ret
push 0xc1
call dword [sym.imp.KERNEL32.dll_SetLastError]
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x54
ret