Function at 0x57bfd0
Capabilities:
Get file size
Read file on windows

Disassembly:
sub esp, 0x30
push ebx
push ebp
push esi
mov esi, dword [esp + 0x44]
test esi, esi
push edi
jne 0x57bfe9
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x30
ret
push esi
call fcn.0057e700
add esp, 4
test eax, eax
jne 0x57bffe
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x30
ret
mov ebx, dword [esp + 0x5c]
test ebx, ebx
je 0x57c018
mov eax, dword [esp + 0x54]
test eax, eax
jg 0x57c018
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x30
ret
mov eax, dword [esi]
mov dword [esp + 0x10], 0
cmp eax, 1
jne 0x57c242
mov ebp, dword [esi + 4]
mov edi, dword [sym.imp.kernel32.dll_SetFilePointer_1]
push eax
push 0
push 0
push ebp
call edi
mov esi, eax
cmp esi, 0xffffffff
mov dword [esp + 0x1c], esi
jne 0x57c05a
push 2
push 0
push 0
push ebp
call edi
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x30
ret
xor edi, edi
cmp ebx, edi
jne 0x57c072
push edi
push ebp
call dword [sym.imp.kernel32.dll_GetFileSize_1]
mov ebx, eax
sub ebx, esi
mov dword [esp + 0x14], ebx
jmp 0x57c07c
mov eax, dword [esp + 0x54]
mov dword [esp + 0x14], eax
mov ebx, eax
mov cl, byte [esp + 0x48]
xor eax, eax
test ebx, ebx
mov byte [esp + 0x30], cl
mov dword [esp + 0x34], edi
mov dword [esp + 0x38], eax
mov dword [esp + 0x3c], edi
mov dword [esp + 0x48], edi
mov dword [esp + 0x24], eax
jle 0x57c1e4
mov esi, ebx
mov dword [esp + 0x48], esi
jmp 0x57c0ae
mov esi, dword [esp + 0x48]
push 0x1000
call fcn.005c47b5
add esp, 4
cmp esi, 0x1000
mov dword [esp + 0x28], eax
mov ecx, esi
jl 0x57c0ce
mov ecx, 0x1000
lea edx, [esp + 0x18]
push 0
push edx
push ecx
push eax
push ebp
call dword [sym.imp.kernel32.dll_ReadFile_1]
test eax, eax
je 0x57c21f
mov edx, dword [esp + 0x18]
xor esi, esi
xor eax, eax
test edx, edx
jbe 0x57c121
mov ebx, dword [esp + 0x28]
mov cl, byte [eax + ebx]
test cl, cl
je 0x57c109
cmp cl, 0x1a
je 0x57c109
inc eax
cmp eax, edx
jb 0x57c0f6
jmp 0x57c11d
mov edx, eax
mov eax, dword [esp + 0x1c]
inc eax
mov dword [esp + 0x18], edx
mov dword [esp + 0x1c], eax
mov esi, 1
mov ebx, dword [esp + 0x14]
mov ecx, dword [esp + 0x38]
lea eax, [esp + 0x28]
push eax
push 1
push ecx
lea ecx, [esp + 0x3c]
mov dword [esp + 0x38], edx
add edi, edx
call fcn.0057c530
test esi, esi
jne 0x57c169
mov eax, dword [esp + 0x18]
mov ecx, 0x1000
cmp eax, ecx
jne 0x57c169
mov eax, dword [esp + 0x24]
mov edx, dword [esp + 0x48]
add eax, ecx
sub edx, ecx
cmp eax, ebx
mov dword [esp + 0x24], eax
mov dword [esp + 0x48], edx
jl 0x57c0aa
mov dword [esp + 0x48], edi
test edi, edi
jle 0x57c1e0
lea eax, [edi + 1]
push eax
call fcn.00576fa0
mov ecx, dword [esp + 0x20]
add esp, 4
mov ebx, eax
push 0
lea edx, [edi + ecx]
push 0
push edx
push ebp
mov dword [esp + 0x20], ebx
call dword [sym.imp.kernel32.dll_SetFilePointer_1]
mov ebp, dword [esp + 0x34]
mov eax, dword [esp + 0x38]
cmp ebp, eax
je 0x57c1dc
mov ecx, dword [ebp + 4]
mov esi, dword [ebp]
mov eax, ecx
mov edi, ebx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov ecx, dword [ebp]
mov edi, dword [ebp + 4]
push ecx
add ebx, edi
call fcn.005c46cc
mov eax, dword [esp + 0x3c]
add ebp, 8
add esp, 4
cmp ebp, eax
jne 0x57c1a2
mov ebx, dword [esp + 0x10]
mov edi, dword [esp + 0x48]
mov byte [edi + ebx], 0
mov eax, dword [esp + 0x38]
mov ecx, dword [esp + 0x34]
cmp eax, eax
mov edx, eax
je 0x57c202
mov esi, dword [eax]
add eax, 8
mov dword [ecx], esi
mov esi, dword [eax - 4]
mov dword [ecx + 4], esi
add ecx, 8
cmp eax, edx
jne 0x57c1ee
mov edx, dword [esp + 0x34]
mov dword [esp + 0x38], ecx
push edx
call fcn.005e31d5
mov eax, dword [esp + 0x14]
add esp, 4
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x30
ret
push 2
push 0
push 0
push ebp
mov dword [esp + 0x58], edi
call dword [sym.imp.kernel32.dll_SetFilePointer_1]
mov edx, dword [esp + 0x28]
push edx
call fcn.005c46cc
add esp, 4
jmp 0x57c16d
cmp eax, 2
jne 0x57c2cd
mov edi, dword [esi + 4]
mov ecx, edi
mov eax, dword [edi]
call dword [eax + 0x14]
test ebx, ebx
mov ebp, eax
jne 0x57c260
or eax, 0xffffffff
jmp 0x57c264
mov eax, dword [esp + 0x54]
mov edx, dword [edi]
lea ecx, [esp + 0x20]
push ecx
lea ecx, [esp + 0x28]
push ecx
push eax
push 0
mov ecx, edi
call dword [edx + 0x30]
mov ecx, dword [esp + 0x24]
xor esi, esi
test eax, eax
jle 0x57c293
mov dl, byte [ecx]
test dl, dl
je 0x57c293
cmp dl, 0x1a
je 0x57c293
inc esi
inc ecx
cmp esi, eax
jl 0x57c282
lea edx, [esi + 1]
push edx
call fcn.00576fa0
add esp, 4
lea ecx, [esi + ebp]
mov ebx, eax
mov eax, dword [edi]
push 0
push ecx
mov ecx, edi
mov dword [esp + 0x18], ebx
call dword [eax + 0x18]
mov edx, dword [esp + 0x24]
push esi
push edx
push ebx
call fcn.005c4000
mov byte [esi + ebx], 0
mov esi, dword [esp + 0x54]
mov ebx, dword [esp + 0x68]
add esp, 0xc
cmp dword [esi], 3
jne 0x57c4f4
mov edi, dword [esi + 4]
mov esi, dword [sym.imp.kernel32.dll_SetFilePointer_1]
push 1
push 0
push 0
push edi
call esi
mov ebp, eax
cmp ebp, 0xffffffff
mov dword [esp + 0x24], ebp
jne 0x57c306
push 2
push 0
push 0
push edi
call esi
pop edi
pop esi
pop ebp
xor eax, eax
pop ebx
add esp, 0x30
ret
test ebx, ebx
jne 0x57c31c
push ebx
push edi
call dword [sym.imp.kernel32.dll_GetFileSize_1]
mov ebx, eax
sub ebx, ebp
mov dword [esp + 0x20], ebx
jmp 0x57c326
mov eax, dword [esp + 0x54]
mov dword [esp + 0x20], eax
mov ebx, eax
mov cl, byte [esp + 0x48]
xor ebp, ebp
xor eax, eax
mov dword [esp + 0x14], ebp
test ebx, ebx
mov byte [esp + 0x30], cl
mov dword [esp + 0x34], eax
mov dword [esp + 0x38], eax
mov dword [esp + 0x3c], eax
mov dword [esp + 0x14], ebp
jle 0x57c4c5
mov dword [esp + 0x1c], ebx
jmp 0x57c35e
mov esi, dword [sym.imp.kernel32.dll_SetFilePointer_1]
mov ebx, dword [esp + 0x1c]
push 0x1000
call fcn.005c47b5
add esp, 4
mov dword [esp + 0x28], eax
push 1
push 0
push 0
push edi
call esi
mov esi, eax
cmp ebx, 0x1000
mov eax, ebx
jl 0x57c389
mov eax, 0x1000
lea edx, [esp + 0x18]
push 0
push edx
push eax
mov eax, dword [esp + 0x34]
push eax
push edi
call dword [sym.imp.kernel32.dll_ReadFile_1]
test eax, eax
je 0x57c500
mov eax, dword [esp + 0x48]
xor ebx, ebx
mov edx, dword [eax + 0xc]
lea ecx, [eax + 0x10]
push ecx
mov ecx, dword [esp + 0x2c]
add eax, 0x34
push edx
push eax
mov eax, dword [esp + 0x24]
push eax
push ecx
push esi
call fcn.0057d9f0
mov edx, dword [esp + 0x30]
add esp, 0x18
xor eax, eax
test edx, edx
jbe 0x57c3ff
mov esi, dword [esp + 0x28]
mov cl, byte [eax + esi]
test cl, cl
je 0x57c3eb
cmp cl, 0x1a
je 0x57c3eb
inc eax
cmp eax, edx
jb 0x57c3d8
jmp 0x57c3ff
mov edx, eax
mov eax, dword [esp + 0x24]
inc eax
mov dword [esp + 0x18], edx
mov dword [esp + 0x24], eax
mov ebx, 1
mov eax, dword [esp + 0x38]
mov dword [esp + 0x2c], edx
add ebp, edx
lea edx, [esp + 0x28]
push edx
push 1
push eax
lea ecx, [esp + 0x3c]
call fcn.0057c530
test ebx, ebx
jne 0x57c44b
mov eax, dword [esp + 0x18]
mov ecx, 0x1000
cmp eax, ecx
jne 0x57c44b
mov eax, dword [esp + 0x14]
mov edx, dword [esp + 0x1c]
add eax, ecx
sub edx, ecx
mov ecx, dword [esp + 0x20]
mov dword [esp + 0x14], eax
cmp eax, ecx
mov dword [esp + 0x1c], edx
jl 0x57c354
mov dword [esp + 0x14], ebp
test ebp, ebp
jle 0x57c4c1
lea edx, [ebp + 1]
push edx
call fcn.00576fa0
add esp, 4
mov ebx, eax
mov eax, dword [esp + 0x24]
mov dword [esp + 0x10], ebx
push 0
add ebp, eax
push 0
push ebp
push edi
call dword [sym.imp.kernel32.dll_SetFilePointer_1]
mov ebp, dword [esp + 0x34]
mov eax, dword [esp + 0x38]
cmp ebp, eax
je 0x57c4b9
mov ecx, dword [ebp + 4]
mov esi, dword [ebp]
mov edx, ecx
mov edi, ebx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, edx
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov eax, dword [ebp]
mov edi, dword [ebp + 4]
push eax
add ebx, edi
call fcn.005c46cc
mov eax, dword [esp + 0x3c]
add ebp, 8
add esp, 4
cmp ebp, eax
jne 0x57c483
mov ebx, dword [esp + 0x10]
mov ecx, dword [esp + 0x14]
mov byte [ecx + ebx], 0
mov eax, dword [esp + 0x38]
mov ecx, dword [esp + 0x34]
cmp eax, eax
mov edx, eax
je 0x57c4e3
mov esi, dword [eax]
add eax, 8
mov dword [ecx], esi
mov esi, dword [eax - 4]
mov dword [ecx + 4], esi
add ecx, 8
cmp eax, edx
jne 0x57c4cf
mov edx, dword [esp + 0x34]
mov dword [esp + 0x38], ecx
push edx
call fcn.005e31d5
add esp, 4
mov eax, dword [esp + 0x10]
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x30
ret
push 2
push 0
push 0
push edi
mov dword [esp + 0x24], ebp
call dword [sym.imp.kernel32.dll_SetFilePointer_1]
mov ecx, dword [esp + 0x28]
push ecx
call fcn.005c46cc
add esp, 4
jmp 0x57c44f