Function at 0x404860
Capabilities:
Write file on windows

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffe0
push ebx
push esi
push edi
mov dword [ebp - 0xc], ecx
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
mov eax, dword [0x409ab4]
mov dword [ebp - 0x18], eax
mov ax, word [0x409ab8]
mov word [ebp - 0x1a], ax
mov si, word [0x409acc]
mov eax, dword [ebp - 0xc]
mov ax, word [eax*2 + 0x408144]
mov word [ebp - 0x10], ax
mov eax, dword [ebp + 8]
mov ax, word [eax*2 + 0x408144]
mov word [ebp - 0x12], ax
lea ecx, [ebp - 0x1a]
lea edx, [ebp - 0x18]
mov ax, word [ebp - 0xc]
call fcn.00404190
mov edi, dword [ebp - 4]
mov edi, dword [edi]
mov ax, word [ebp - 0x18]
and ax, word [ebp - 0x10]
movzx eax, ax
shl eax, 3
add edi, eax
movsx ebx, byte [edi]
cmp bx, 0x10
jbe 0x40492b
cmp bx, 0x10
jbe 0x40492b
cmp bx, 0x63
jne 0x4048ec
mov eax, 1
jmp 0x404b66
lea ecx, [ebp - 0x1a]
lea edx, [ebp - 0x18]
movsx eax, byte [edi + 1]
call fcn.004041b4
sub bx, 0x10
lea ecx, [ebp - 0x1a]
lea edx, [ebp - 0x18]
mov eax, ebx
call fcn.00404190
movzx eax, bx
movzx eax, word [eax*2 + 0x408144]
and eax, dword [ebp - 0x18]
shl eax, 3
add eax, dword [edi + 4]
mov edi, eax
movsx ebx, byte [edi]
cmp bx, 0x10
ja 0x4048dc
lea ecx, [ebp - 0x1a]
lea edx, [ebp - 0x18]
movsx eax, byte [edi + 1]
call fcn.004041b4
cmp bx, 0x10
jne 0x40498e
movzx eax, si
mov edx, dword [0x409ac0]
mov cl, byte [edi + 2]
mov byte [edx + eax], cl
inc esi
cmp si, 0x8000
jne 0x4048a9
push 0
lea eax, [ebp - 0x20]
push eax
movzx ebx, si
push ebx
mov eax, dword [0x409ac0]
push eax
mov eax, dword [0x409af8]
push eax
call sub.kernel32.dll_WriteFile_1
mov ecx, 0x409adc
mov edx, ebx
mov eax, dword [0x409ac0]
call fcn.00403ba0
xor esi, esi
jmp 0x4048a9
cmp bx, 0xf
je 0x404b4b
lea ecx, [ebp - 0x1a]
lea edx, [ebp - 0x18]
mov eax, ebx
call fcn.00404190
movzx eax, bx
mov ax, word [eax*2 + 0x408144]
and ax, word [ebp - 0x18]
add ax, word [edi + 2]
mov word [ebp - 0xe], ax
lea ecx, [ebp - 0x1a]
lea edx, [ebp - 0x18]
mov eax, ebx
call fcn.004041b4
lea ecx, [ebp - 0x1a]
lea edx, [ebp - 0x18]
mov ax, word [ebp + 8]
call fcn.00404190
mov edi, dword [ebp - 8]
mov edi, dword [edi]
movzx eax, word [ebp - 0x12]
and eax, dword [ebp - 0x18]
shl eax, 3
add edi, eax
movsx ebx, byte [edi]
cmp bx, 0x10
jbe 0x404a45
cmp bx, 0x63
jne 0x404a02
mov eax, 1
jmp 0x404b66
lea ecx, [ebp - 0x1a]
lea edx, [ebp - 0x18]
movsx eax, byte [edi + 1]
call fcn.004041b4
sub bx, 0x10
lea ecx, [ebp - 0x1a]
lea edx, [ebp - 0x18]
mov eax, ebx
call fcn.00404190
movzx eax, bx
mov ax, word [eax*2 + 0x408144]
and ax, word [ebp - 0x18]
movzx eax, ax
shl eax, 3
add eax, dword [edi + 4]
mov edi, eax
movsx ebx, byte [edi]
cmp bx, 0x10
ja 0x4049f2
lea ecx, [ebp - 0x1a]
lea edx, [ebp - 0x18]
movsx eax, byte [edi + 1]
call fcn.004041b4
lea ecx, [ebp - 0x1a]
lea edx, [ebp - 0x18]
mov eax, ebx
call fcn.00404190
mov eax, esi
sub ax, word [edi + 2]
movzx edx, bx
mov dx, word [edx*2 + 0x408144]
and dx, word [ebp - 0x18]
sub ax, dx
mov edi, eax
lea ecx, [ebp - 0x1a]
lea edx, [ebp - 0x18]
mov eax, ebx
call fcn.004041b4
and di, 0x7fff
cmp si, di
jae 0x404a9b
mov bx, 0x8000
sub bx, di
jmp 0x404aa2
mov bx, 0x8000
sub bx, si
cmp bx, word [ebp - 0xe]
jbe 0x404aac
mov bx, word [ebp - 0xe]
sub word [ebp - 0xe], bx
movzx edx, si
movzx eax, di
sub edx, eax
movzx ecx, bx
cmp edx, ecx
jl 0x404ae6
movzx edx, si
mov ecx, dword [0x409ac0]
lea edx, [ecx + edx]
push edx
mov edx, dword [0x409ac0]
lea eax, [edx + eax]
movzx ecx, bx
pop edx
call fcn.00402500
add si, bx
add di, bx
jmp 0x404b06
movzx eax, di
mov edx, dword [0x409ac0]
mov al, byte [edx + eax]
movzx edx, si
mov ecx, dword [0x409ac0]
mov byte [ecx + edx], al
inc esi
inc edi
dec ebx
test bx, bx
ja 0x404ae6
cmp si, 0x8000
jne 0x404b3b
push 0
lea eax, [ebp - 0x20]
push eax
movzx ebx, si
push ebx
mov eax, dword [0x409ac0]
push eax
mov eax, dword [0x409af8]
push eax
call sub.kernel32.dll_WriteFile_1
mov ecx, 0x409adc
mov edx, ebx
mov eax, dword [0x409ac0]
call fcn.00403ba0
xor esi, esi
cmp word [ebp - 0xe], 0
jne 0x404a88
jmp 0x4048a9
mov word [0x409acc], si
mov eax, dword [ebp - 0x18]
mov dword [0x409ab4], eax
mov ax, word [ebp - 0x1a]
mov word [0x409ab8], ax
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4