Function at 0x402c90
Capabilities:
Get system information on windows
Parse pe header

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x5c
mov eax, dword [0x439018]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
mov ebx, edx
mov edx, ecx
push esi
xor esi, esi
mov dword [ebp - 0x34], ebx
mov dword [ebp - 0x2c], edx
push edi
cmp ebx, 0x40
jae 0x402cdc
push 0xd
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.Size_is_not_valid__n
call fcn.00402940
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040dfd3
mov esp, ebp
pop ebp
ret
mov eax, 0x5a4d
cmp word [edx], ax
je 0x402d11
push str.DOS_header_is_not_valid__n
call fcn.00402940
add esp, 4
push 0xc1
call dword [sym.imp.KERNEL32.dll_SetLastError]
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040dfd3
mov esp, ebp
pop ebp
ret
mov ecx, dword [edx + 0x3c]
mov dword [ebp - 0x40], ecx
lea eax, [ecx + 0xf8]
cmp ebx, eax
jae 0x402d49
push 0xd
call dword [sym.imp.KERNEL32.dll_SetLastError]
push str.DOS_header_size_is_not_valid__n
call fcn.00402940
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040dfd3
mov esp, ebp
pop ebp
ret
cmp dword [ecx + edx], 0x4550
lea ebx, [ecx + edx]
mov dword [ebp - 0x3c], ebx
je 0x402d5f
push str.Signature___IMAGE_NT_SIGNATURE__n
jmp 0x402ceb
mov eax, 0x14c
cmp word [ebx + 4], ax
je 0x402d74
push str.FileHeader.Machine___HOST_MACHINE__n
jmp 0x402ceb
mov ecx, dword [ebx + 0x38]
test cl, 1
je 0x402d86
push str.Section_alignment_invalid__n
jmp 0x402ceb
movzx edx, word [ebx + 0x14]
movzx edi, word [ebx + 6]
add edx, 0x24
test edi, edi
je 0x402db4
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 0x402d97
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
je 0x402de3
push str.alignedImageSize___AlignValueUp__n
jmp 0x402ceb
mov esi, dword [sym.imp.KERNEL32.dll_VirtualAlloc]
push 4
push 0x3000
push edi
push dword [ebx + 0x34]
call esi
mov dword [ebp - 0x44], eax
test eax, eax
jne 0x402e23
push 4
push 0x3000
push edi
push eax
call esi
mov dword [ebp - 0x44], eax
test eax, eax
jne 0x402e23
push str.ERROR_OUTOFMEMORY__n
call fcn.00402940
add esp, 4
push 0xe
jmp 0x402cf8
push 0x40
push 8
call dword [sym.imp.KERNEL32.dll_GetProcessHeap]
push eax
call dword [sym.imp.KERNEL32.dll_HeapAlloc]
mov ecx, dword [ebp - 0x44]
mov edi, eax
mov dword [ebp - 0x48], edi
test edi, edi
jne 0x402e54
push 0x8000
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_VirtualFree]
push 0xe
jmp 0x402cf8
mov dword [edi + 4], ecx
movzx eax, word [ebx + 0x16]
shr eax, 0xd
and eax, 1
mov dword [edi + 0x1c], 0x402c10
mov dword [edi + 0x14], eax
mov dword [edi + 0x20], 0x402c30
mov dword [edi + 0x24], 0x402c50
mov dword [edi + 0x28], 0x402c60
mov dword [edi + 0x2c], 0x402c80
mov dword [edi + 0x34], 0
mov eax, dword [ebp - 0x24]
mov dword [edi + 0x3c], eax
mov eax, dword [ebx + 0x54]
cmp dword [ebp - 0x34], eax
jae 0x402ebe
push 0xd
call dword [sym.imp.KERNEL32.dll_SetLastError]
mov ecx, edi
call fcn.004033f0
xor eax, eax
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040dfd3
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 - 0x2c]
push esi
call fcn.0040f780
mov eax, dword [ebp - 0x2c]
add esp, 0xc
mov ecx, dword [ebp - 0x44]
mov dword [ebp - 0x38], 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 - 0x30], edx
movzx eax, word [ecx + 0x14]
add eax, 0x24
cmp si, word [ecx + 6]
jae 0x402fbf
lea ebx, [eax + ecx]
nop
mov ecx, dword [ebx + 4]
test ecx, ecx
jne 0x402f58
mov eax, dword [ebp - 0x40]
mov ecx, dword [ebp - 0x2c]
mov esi, dword [eax + ecx + 0x38]
test esi, esi
jle 0x402fa4
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 0x402ea4
mov eax, dword [ebx]
add eax, dword [ebp - 0x30]
push esi
push 0
push eax
mov dword [ebx - 4], eax
call fcn.0040fdc0
jmp 0x402f9e
mov eax, dword [ebx + 8]
add eax, ecx
cmp dword [ebp - 0x34], eax
jb 0x402e9c
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 0x402ea4
push dword [ebx + 4]
mov eax, dword [ebx + 8]
mov esi, dword [ebx]
add eax, dword [ebp - 0x2c]
add esi, dword [ebp - 0x30]
push eax
push esi
call fcn.0040f780
mov dword [ebx - 4], esi
mov edx, dword [ebp - 0x30]
add esp, 0xc
mov ecx, dword [edi]
add ebx, 0x28
mov esi, dword [ebp - 0x38]
inc esi
mov dword [ebp - 0x38], esi
movzx eax, word [ecx + 6]
cmp esi, eax
jl 0x402f10
mov ebx, dword [ebp - 0x3c]
mov eax, dword [ecx + 0x34]
sub eax, dword [ebx + 0x34]
mov dword [ebp - 0x3c], eax
je 0x40304d
cmp dword [ecx + 0xa4], 0
jne 0x402fdb
xor eax, eax
jmp 0x403052
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 0x40304d
nop
mov ecx, dword [ebx + 4]
add eax, edx
mov dword [ebp - 0x40], eax
lea edx, [ebx + 8]
xor esi, esi
lea eax, [ecx - 8]
test eax, 0xfffffffe
jbe 0x40303e
mov edi, dword [ebp - 0x40]
nop word [eax + eax]
movzx eax, word [edx]
mov ecx, eax
and ecx, 0xf000
cmp ecx, 0x3000
jne 0x40302e
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 0x403010
mov eax, dword [ebx + ecx]
add ebx, ecx
mov edx, dword [ebp - 0x34]
test eax, eax
jne 0x402ff0
mov edi, dword [ebp - 0x48]
mov eax, 1
mov ecx, edi
mov dword [edi + 0x18], eax
call fcn.00402aa0
test eax, eax
je 0x402ea4
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 dword [ebp - 0x3c], ecx
mov dword [ebp - 0x58], ecx
mov ecx, dword [esi + 0x28]
mov dword [ebp - 0x38], eax
mov dword [ebp - 0x5c], eax
test ecx, ecx
jne 0x40309c
mov eax, dword [esi + 0x3c]
test al, 0x40
je 0x403095
mov ecx, dword [ebx + 0x20]
jmp 0x40309c
test al, al
jns 0x40309c
mov ecx, dword [ebx + 0x24]
mov edx, dword [esi + 0x3c]
mov eax, 1
mov dword [ebp - 0x54], ecx
mov dword [ebp - 0x50], edx
mov dword [ebp - 0x4c], 0
mov dword [ebp - 0x40], 1
cmp ax, word [ebx + 6]
jae 0x403185
lea eax, [esi + 0x64]
mov dword [ebp - 0x2c], eax
nop dword [eax + eax]
mov esi, dword [eax - 0x1c]
mov dword [ebp - 0x34], esi
mov esi, dword [edi + 0x3c]
mov edi, dword [eax - 0x14]
neg esi
and esi, dword [ebp - 0x34]
test edi, edi
mov dword [ebp - 0x30], edi
mov edi, dword [ebp - 0x48]
jne 0x403103
test byte [eax], 0x40
je 0x4030f5
mov edi, dword [ebx + 0x20]
jmp 0x4030fd
test byte [eax], 0x80
je 0x403103
mov edi, dword [ebx + 0x24]
mov dword [ebp - 0x30], edi
mov edi, dword [ebp - 0x48]
cmp dword [ebp - 0x3c], esi
je 0x403143
mov eax, dword [ebp - 0x38]
add eax, ecx
cmp eax, esi
ja 0x403140
lea edx, [ebp - 0x5c]
mov ecx, edi
call fcn.00402970
test eax, eax
je 0x402ea4
mov eax, dword [ebp - 0x34]
mov ecx, dword [ebp - 0x30]
mov ebx, dword [edi]
mov dword [ebp - 0x38], eax
mov dword [ebp - 0x5c], eax
mov eax, esi
mov dword [ebp - 0x3c], eax
mov dword [ebp - 0x58], eax
mov eax, dword [ebp - 0x2c]
mov edx, dword [eax]
jmp 0x403163
mov eax, dword [ebp - 0x2c]
mov ecx, dword [eax]
mov eax, ecx
and eax, edx
or edx, ecx
bt eax, 0x19
jb 0x403157
and edx, 0xfdffffff
mov ecx, dword [ebp - 0x30]
sub ecx, dword [ebp - 0x38]
add ecx, dword [ebp - 0x34]
mov eax, dword [ebp - 0x2c]
mov esi, dword [ebp - 0x40]
add eax, 0x28
mov dword [ebp - 0x2c], eax
inc esi
movzx eax, word [ebx + 6]
cmp esi, eax
mov dword [ebp - 0x50], edx
mov eax, dword [ebp - 0x2c]
mov dword [ebp - 0x54], ecx
mov dword [ebp - 0x40], esi
jl 0x4030d0
lea edx, [ebp - 0x5c]
mov dword [ebp - 0x4c], 1
mov ecx, edi
call fcn.00402970
test eax, eax
je 0x402ea4
mov edx, dword [edi]
mov ecx, edx
mov esi, dword [edx + 0xc0]
test esi, esi
je 0x4031d3
mov ebx, dword [edi + 4]
mov esi, dword [ebx + esi + 0xc]
test esi, esi
je 0x4031d3
mov eax, dword [esi]
test eax, eax
je 0x4031d3
nop dword [eax]
push 0
push 1
push ebx
call eax
mov eax, dword [esi + 4]
lea esi, [esi + 4]
test eax, eax
jne 0x4031c0
mov ecx, dword [edi]
mov eax, dword [ecx + 0x28]
test eax, eax
je 0x40322a
mov ecx, dword [ebp - 0x44]
add eax, ecx
cmp dword [edi + 0x14], 0
je 0x403214
push 0
push 1
push ecx
call eax
test eax, eax
jne 0x4031fa
push 0x45a
jmp 0x402e9e
mov dword [edi + 0x10], 1
mov eax, edi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040dfd3
mov esp, ebp
pop ebp
ret
mov dword [edi + 0x38], eax
mov eax, edi
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0040dfd3
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
mov eax, edi
mov dword [edi + 0x38], 0
xor ecx, ebp
pop edi
pop esi
pop ebx
call fcn.0040dfd3
mov esp, ebp
pop ebp
ret