Function at 0x4c7304
Capabilities:
Read file on windows
Write file on windows

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffa0
mov eax, dword [ebp + 8]
mov edx, dword [eax]
cmp edx, 3
jne 0x4c7344
push 0
push 0
push 3
push 0
push 3
push SysReAllocStringLen
mov ecx, dword [ebp + 8]
add ecx, 0x124
push ecx
call sub.KERNEL32.DLL_CreateFileA
mov dword [ebp - 0x40], eax
mov eax, dword [ebp - 0x40]
cmp eax, 0xffffffff
jne 0x4c734a
xor eax, eax
jmp 0x4c76a9
mov edx, dword [ebp + 0xc]
mov dword [ebp - 0x40], edx
mov ecx, dword [ebp + 8]
mov eax, dword [ecx + 0x258]
mov dword [ebp - 8], eax
mov eax, dword [ecx + 0x25c]
mov dword [ebp - 4], eax
push 0
lea edx, [ebp - 4]
push edx
push dword [ebp - 8]
push dword [ebp - 0x40]
call sub.KERNEL32.DLL_SetFilePointer
mov dword [ebp - 0xc], eax
mov ecx, dword [ebp - 0xc]
cmp ecx, 0xffffffff
jne 0x4c739d
call sub.KERNEL32.DLL_GetLastError
test eax, eax
je 0x4c739d
mov eax, dword [ebp + 8]
mov edx, dword [eax]
cmp edx, 3
jne 0x4c7396
push dword [ebp - 0x40]
call sub.KERNEL32.DLL_CloseHandle
xor eax, eax
jmp 0x4c76a9
mov edx, dword [ebp + 8]
mov eax, dword [edx + 0xc]
cdq
push edx
push eax
mov ecx, dword [ebp + 8]
mov eax, dword [ecx + 0xc]
dec eax
cdq
mov ecx, dword [ebp + 8]
add eax, dword [ecx + 0x260]
adc edx, dword [ecx + 0x264]
call fcn.0067457f
mov dword [ebp - 0x1c], eax
mov edx, dword [ebp + 8]
mov eax, 0x12000
mov ecx, dword [edx + 0xc]
cdq
idiv ecx
mov dword [ebp - 0x24], eax
mov eax, dword [ebp + 8]
mov edx, dword [eax + 0xc]
imul edx, dword [ebp - 0x24]
mov dword [ebp - 0x2c], edx
imul ecx, dword [ebp - 0x24], 0x930
mov dword [ebp - 0x28], ecx
mov eax, dword [ebp + 8]
mov edx, dword [eax + 0x238]
mov dword [ebp - 0x3c], edx
jmp 0x4c767e
mov ecx, dword [ebp - 0x1c]
mov eax, dword [ebp - 0x24]
cmp ecx, eax
jl 0x4c7541
mov edx, dword [ebp + 8]
mov ecx, dword [edx + 0xc]
cmp ecx, 0x930
jne 0x4c7432
push 0
lea eax, [ebp - 0x14]
push eax
push dword [ebp - 0x28]
push 0x85ac24
push dword [ebp - 0x40]
call sub.KERNEL32.DLL_ReadFile
jmp 0x4c7495
push 0
lea edx, [ebp - 0x14]
push edx
push dword [ebp - 0x2c]
push 0x848c24
push dword [ebp - 0x40]
call sub.KERNEL32.DLL_ReadFile
mov dword [ebp - 0x34], 0x848c24
mov dword [ebp - 0x30], 0x85ac24
xor ecx, ecx
mov dword [ebp - 0x20], ecx
mov eax, dword [ebp - 0x20]
mov edx, dword [ebp - 0x24]
cmp eax, edx
jge 0x4c7495
push 0x930
push dword [ebp - 0x34]
push dword [ebp - 0x30]
call fcn.0066c7fc
add esp, 0xc
add dword [ebp - 0x30], 0x930
mov ecx, dword [ebp + 8]
mov eax, dword [ecx + 0xc]
add dword [ebp - 0x34], eax
inc dword [ebp - 0x20]
mov edx, dword [ebp - 0x20]
mov ecx, dword [ebp - 0x24]
cmp edx, ecx
jl 0x4c7465
push 0
lea eax, [ebp - 0x18]
push eax
push dword [ebp - 0x28]
push 0x85ac24
push dword [ebp + 0x10]
call sub.KERNEL32.DLL_WriteFile
mov eax, dword [ebp - 0x2c]
cdq
add dword [0x826584], eax
adc dword [0x826588], edx
mov eax, dword [0x826584]
mov edx, dword [0x826588]
mov dword [ebp - 0x48], eax
sub edx, 0x80000000
mov dword [ebp - 0x44], edx
fild qword [ebp - 0x48]
fadd qword [0x4c76b0]
mov eax, dword [0x82657c]
mov edx, dword [0x826580]
mov dword [ebp - 0x50], eax
sub edx, 0x80000000
mov dword [ebp - 0x4c], edx
fild qword [ebp - 0x50]
fadd qword [0x4c76b0]
fdivp st(1)
add esp, 0xfffffff8
fstp qword [esp]
call fcn.004412e0
add esp, 8
mov ecx, dword [0x6f6920]
test ecx, ecx
je 0x4c7530
mov eax, dword [ebp + 8]
mov edx, dword [eax]
cmp edx, 3
jne 0x4c7529
push dword [ebp - 0x40]
call sub.KERNEL32.DLL_CloseHandle
xor eax, eax
jmp 0x4c76a9
mov edx, dword [ebp - 0x24]
sub dword [ebp - 0x1c], edx
mov ecx, dword [ebp - 0x24]
add dword [ebp - 0x3c], ecx
jmp 0x4c767e
mov eax, dword [ebp + 8]
mov edx, dword [eax + 0xc]
imul edx, dword [ebp - 0x1c]
mov dword [ebp - 0x2c], edx
imul ecx, dword [ebp - 0x1c], 0x930
mov dword [ebp - 0x28], ecx
mov eax, dword [ebp + 8]
mov edx, dword [eax + 0xc]
cmp edx, 0x930
jne 0x4c757e
push 0
lea ecx, [ebp - 0x14]
push ecx
push dword [ebp - 0x28]
push 0x85ac24
push dword [ebp - 0x40]
call sub.KERNEL32.DLL_ReadFile
jmp 0x4c75e1
push 0
lea eax, [ebp - 0x14]
push eax
push dword [ebp - 0x2c]
push 0x848c24
push dword [ebp - 0x40]
call sub.KERNEL32.DLL_ReadFile
mov dword [ebp - 0x34], 0x848c24
mov dword [ebp - 0x30], 0x85ac24
xor edx, edx
mov dword [ebp - 0x20], edx
mov ecx, dword [ebp - 0x20]
mov eax, dword [ebp - 0x24]
cmp ecx, eax
jge 0x4c75e1
push 0x930
push dword [ebp - 0x34]
push dword [ebp - 0x30]
call fcn.0066c7fc
add esp, 0xc
add dword [ebp - 0x30], 0x930
mov edx, dword [ebp + 8]
mov ecx, dword [edx + 0xc]
add dword [ebp - 0x34], ecx
inc dword [ebp - 0x20]
mov eax, dword [ebp - 0x20]
mov edx, dword [ebp - 0x24]
cmp eax, edx
jl 0x4c75b1
push 0
lea ecx, [ebp - 0x18]
push ecx
push dword [ebp - 0x28]
push 0x85ac24
push dword [ebp + 0x10]
call sub.KERNEL32.DLL_WriteFile
mov eax, dword [ebp - 0x2c]
cdq
add dword [0x826584], eax
adc dword [0x826588], edx
mov eax, dword [0x826584]
mov edx, dword [0x826588]
mov dword [ebp - 0x58], eax
sub edx, 0x80000000
mov dword [ebp - 0x54], edx
fild qword [ebp - 0x58]
fadd qword [0x4c76b0]
mov eax, dword [0x82657c]
mov edx, dword [0x826580]
mov dword [ebp - 0x60], eax
sub edx, 0x80000000
mov dword [ebp - 0x5c], edx
fild qword [ebp - 0x60]
fadd qword [0x4c76b0]
fdivp st(1)
add esp, 0xfffffff8
fstp qword [esp]
call fcn.004412e0
add esp, 8
mov ecx, dword [0x6f6920]
test ecx, ecx
je 0x4c7679
mov eax, dword [ebp + 8]
mov edx, dword [eax]
cmp edx, 3
jne 0x4c7675
push dword [ebp - 0x40]
call sub.KERNEL32.DLL_CloseHandle
xor eax, eax
jmp 0x4c76a9
xor edx, edx
mov dword [ebp - 0x1c], edx
mov ecx, dword [ebp - 0x1c]
test ecx, ecx
jle 0x4c7692
mov eax, dword [0x6f6920]
test eax, eax
je 0x4c73fe
mov edx, dword [ebp + 8]
mov ecx, dword [edx]
cmp ecx, 3
jne 0x4c76a4
push dword [ebp - 0x40]
call sub.KERNEL32.DLL_CloseHandle
mov eax, 1
mov esp, ebp
pop ebp
ret