Function at 0x581790
Capabilities:
Read file on windows
Write file on windows

Disassembly:
sub esp, 0x76c
push ebx
push ebp
mov ebp, dword [sym.imp.KERNEL32.dll_GetLastError]
push esi
xor ebx, ebx
push edi
mov dword [0x689ac8], ebx
call ebp
mov dword [0x689ad0], eax
mov eax, dword [esp + 0x784]
cmp eax, ebx
jne 0x5817e2
mov dword [0x689ac8], 1
mov dword [0x689acc], 0x1d1e
call ebp
pop edi
pop esi
mov dword [0x689ad0], eax
pop ebp
xor eax, eax
pop ebx
add esp, 0x76c
ret
cmp dword [0x689ad4], ebx
jne 0x581812
mov dword [0x689ac8], 2
mov dword [0x689acc], 0x1d24
call ebp
pop edi
pop esi
mov dword [0x689ad0], eax
pop ebp
xor eax, eax
pop ebx
add esp, 0x76c
ret
mov esi, dword [esp + 0x780]
push ebx
push ebx
push ebx
push esi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov ecx, 0xf7
xor eax, eax
lea edi, [esp + 0x15]
mov byte [esp + 0x14], bl
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
cmp esi, 0xffffffff
stosb byte es:[edi], al
je 0x581892
lea eax, [esp + 0x14]
test eax, eax
je 0x581892
push esi
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, 1
jne 0x5818ad
mov ecx, 0xf8
xor eax, eax
lea edi, [esp + 0x14]
push ebx
rep stosd dword es:[edi], eax
lea ecx, [esp + 0x14]
lea edx, [esp + 0x18]
push ecx
push 0x3e0
push edx
push esi
mov dword [esp + 0x24], ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x5818d5
mov dword [0x689ac8], 0xd
mov dword [0x689acc], 0x29f7
jmp 0x5818a6
mov dword [0x689ac8], 1
mov dword [0x689acc], 0x29ea
call ebp
mov dword [0x689ad0], eax
mov dword [0x689ac8], 0xf
mov dword [0x689acc], 0x1d2f
call ebp
pop edi
pop esi
mov dword [0x689ad0], eax
pop ebp
xor eax, eax
pop ebx
add esp, 0x76c
ret
mov esi, dword [esp + 0x38]
mov eax, dword [esp + 0x784]
not esi
shr esi, 5
push eax
and esi, 1
call fcn.0058f200
add esp, 4
cmp esi, ebx
mov ebp, eax
je 0x5818ff
cmp ebp, ebx
jne 0x581ce4
mov ecx, 0xe1
xor eax, eax
lea edi, [esp + 0x3f5]
mov byte [esp + 0x3f4], bl
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
lea ecx, [esp + 0x3f4]
lea edx, [esp + 0x14]
push ecx
push edx
stosb byte es:[edi], al
call fcn.00586ed0
add esp, 8
test eax, eax
jne 0x58195e
mov dword [0x689ac8], 0x14
mov dword [0x689acc], 0x1d3f
call dword [sym.imp.KERNEL32.dll_GetLastError]
pop edi
pop esi
mov dword [0x689ad0], eax
pop ebp
xor eax, eax
pop ebx
add esp, 0x76c
ret
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x689ac8], ebx
call edi
mov dword [0x689ad0], eax
lea eax, [esp + 0x3f4]
test eax, eax
jne 0x58199c
mov dword [0x689ac8], 1
mov dword [0x689acc], 0x3745
call edi
mov dword [0x689ad0], eax
jmp 0x581ae2
cmp dword [0x689ad4], ebx
jne 0x5819c4
mov dword [0x689ac8], 2
mov dword [0x689acc], 0x374b
call edi
mov dword [0x689ad0], eax
jmp 0x581ae2
cmp dword [0x68a084], ebx
jne 0x5819ff
mov eax, dword [esp + 0x5e0]
mov edx, dword [esp + 0x5e8]
mov ecx, dword [0x689ae4]
cmp eax, 0x2710
ja 0x581ab8
cmp ecx, 0x2710
ja 0x5819ff
cmp ecx, eax
je 0x5819ff
cmp eax, ebx
jne 0x581ad0
cmp esi, ebx
jne 0x581b1c
cmp ebp, ebx
jne 0x581b1c
mov ecx, dword [esp + 0x774]
push ecx
call fcn.005df898
mov esi, eax
add esp, 4
cmp esi, ebx
je 0x581b1c
mov eax, dword [esp + 0x774]
mov edi, dword [esp + 0x780]
lea edx, [esp + 0x10]
lea ecx, [esp + 0x14]
push edx
push eax
push esi
lea edx, [esp + 0x400]
push ecx
push edx
push edi
mov dword [esp + 0x28], ebx
call fcn.00581160
add esp, 0x18
test eax, eax
je 0x581b0a
mov ecx, dword [esp + 0x10]
cmp ecx, 0x78
jb 0x581b0a
mov eax, dword [esi + 0x70]
mov edx, dword [esi + 0x6c]
add eax, edx
mov edx, dword [esi + 0x74]
lea eax, [eax + eax*4]
lea eax, [edx + eax*2]
lea edx, [eax + eax + 0x7a]
cmp edx, ecx
jne 0x581b0a
mov ebp, dword [esp + 0x784]
push esi
push ebp
call fcn.0058f280
add esp, 8
test eax, eax
je 0x581b11
push esi
call fcn.005df8c1
add esp, 4
mov eax, 1
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x76c
ret
cmp eax, ecx
jne 0x581ad0
cmp dword [0x689aec], ebx
ja 0x5819ff
cmp edx, ebx
je 0x5819ff
push edx
push eax
call fcn.0058d5a0
add esp, 8
cmp eax, ebx
jne 0x5819ff
mov dword [0x689ac8], 0x1f
mov dword [0x689acc], 0x1d46
call edi
pop edi
pop esi
mov dword [0x689ad0], eax
pop ebp
xor eax, eax
pop ebx
add esp, 0x76c
ret
mov ebp, dword [esp + 0x784]
push esi
call fcn.005df8c1
add esp, 4
jmp 0x581b2a
mov ebp, dword [esp + 0x784]
mov edi, dword [esp + 0x780]
mov eax, dword [esp + 0x430]
cmp eax, ebx
jne 0x581b49
mov dword [esp + 0x76c], 0x3e0
mov dword [esp + 0x770], ebx
jmp 0x581b7c
mov ecx, dword [esp + 0x434]
push ebx
dec eax
push ecx
push ebx
push eax
call fcn.0044e220
mov ecx, dword [esp + 0x438]
xor esi, esi
add eax, ecx
adc edx, esi
add eax, 0x3e0
adc edx, ebx
mov dword [esp + 0x76c], eax
mov dword [esp + 0x770], edx
mov eax, dword [esp + 0x34]
lea edx, [esp + 0x3f4]
push ebp
push edx
push eax
push edi
call fcn.00581d00
add esp, 0x10
test eax, eax
jne 0x581bc3
mov dword [0x689ac8], 0x10
mov dword [0x689acc], 0x1d74
call dword [sym.imp.KERNEL32.dll_GetLastError]
pop edi
pop esi
mov dword [0x689ad0], eax
pop ebp
xor eax, eax
pop ebx
add esp, 0x76c
ret
push ebp
call fcn.0058f200
add esp, 4
test eax, eax
mov eax, dword [esp + 0x38]
je 0x581bd8
and al, 0xdf
jmp 0x581bda
or al, 0x20
mov dword [esp + 0x38], eax
or al, 4
push ebp
mov dword [esp + 0x3c], eax
call fcn.005a7f70
add esp, 4
test eax, eax
mov eax, dword [esp + 0x38]
jne 0x581bf9
or al, 1
jmp 0x581bfb
and al, 0xfe
add ebp, 0x10
mov dword [esp + 0x38], eax
push ebp
call fcn.005a7f70
add esp, 4
test eax, eax
mov eax, dword [esp + 0x38]
jne 0x581c17
or al, 2
jmp 0x581c19
and al, 0xfd
lea ecx, [esp + 0x3f4]
lea edx, [esp + 0x14]
push ecx
push edx
mov dword [esp + 0x40], eax
call fcn.00587140
add esp, 8
test eax, eax
jne 0x581c62
mov dword [0x689ac8], 0x13
mov dword [0x689acc], 0x1d8c
call dword [sym.imp.KERNEL32.dll_GetLastError]
pop edi
pop esi
mov dword [0x689ad0], eax
pop ebp
xor eax, eax
pop ebx
add esp, 0x76c
ret
push ebx
push ebx
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
lea eax, [esp + 0x10]
push ebx
push eax
lea ecx, [esp + 0x1c]
push 0x3e0
push ecx
push edi
mov dword [esp + 0x24], ebx
call dword [sym.imp.KERNEL32.dll_WriteFile]
test eax, eax
jne 0x581cd4
mov esi, dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [0x689ac8], 0xe
mov dword [0x689acc], 0x2a09
call esi
mov dword [0x689ad0], eax
mov dword [0x689ac8], 0x10
mov dword [0x689acc], 0x1d94
call esi
pop edi
pop esi
mov dword [0x689ad0], eax
pop ebp
xor eax, eax
pop ebx
add esp, 0x76c
ret
cmp dword [esp + 0x788], ebx
je 0x581ce4
push edi
call dword [sym.imp.KERNEL32.dll_FlushFileBuffers]
pop edi
pop esi
pop ebp
mov eax, 1
pop ebx
add esp, 0x76c
ret