Function at 0x5b1e50
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x652677
mov eax, dword fs:[0]
push eax
sub esp, 0x77c
mov eax, dword [0x6a56e8]
xor eax, ebp
mov dword [ebp - 0x10], eax
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
lea ecx, [ebp - 0x508]
call fcn.00587190
mov dword [ebp - 4], 0
push 0
push 0
mov eax, dword [ebp + 8]
push eax
lea ecx, [ebp - 0x508]
call fcn.0058f1f0
lea ecx, [ebp - 0x400]
push ecx
lea ecx, [ebp - 0x19c]
call fcn.00593210
mov byte [ebp - 4], 1
mov dword [ebp - 0x73c], 0
mov dword [ebp - 0x740], 0
call fcn.00589e10
push eax
lea ecx, [ebp - 0x94]
call fcn.00593210
mov byte [ebp - 4], 2
call fcn.00589e30
mov ecx, eax
call fcn.005943c0
movzx edx, al
test edx, edx
je 0x5b2029
lea eax, [ebp - 0x19c]
push eax
lea ecx, [ebp - 0x94]
call fcn.00593890
push 0
push 0x80
push 3
push 0
push 1
push closesocket
lea ecx, [ebp - 0x94]
call fcn.0040b0c0
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 0x748], eax
cmp dword [ebp - 0x748], 0xffffffff
jne 0x5b1f4f
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x94]
call fcn.00593440
jmp 0x5b22c2
push 0
mov ecx, dword [ebp - 0x748]
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x740], eax
cmp dword [ebp - 0x740], 0
jne 0x5b1f81
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x94]
call fcn.00593440
jmp 0x5b22c2
mov dword [ebp - 0x754], 0
mov edx, dword [ebp - 0x740]
push edx
call fcn.00615dd1
add esp, 4
mov dword [ebp - 0x768], eax
mov eax, dword [ebp - 0x768]
mov dword [ebp - 0x73c], eax
push 0
lea ecx, [ebp - 0x754]
push ecx
mov edx, dword [ebp - 0x740]
push edx
mov eax, dword [ebp - 0x73c]
push eax
mov ecx, dword [ebp - 0x748]
push ecx
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov edx, dword [ebp - 0x748]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp - 0x754]
cmp eax, dword [ebp - 0x740]
je 0x5b2024
mov ecx, dword [ebp - 0x73c]
mov dword [ebp - 0x76c], ecx
mov edx, dword [ebp - 0x76c]
push edx
call fcn.00615907
add esp, 4
mov dword [ebp - 0x73c], 0
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x94]
call fcn.00593440
jmp 0x5b22c2
jmp 0x5b22ab
call fcn.00589e30
push eax
lea ecx, [ebp - 0x94]
call fcn.00593890
mov dword [ebp - 0x744], 0
call fcn.0058a220
movzx eax, al
test eax, eax
je 0x5b2060
call fcn.00589e40
mov dword [ebp - 0x744], eax
jmp 0x5b20e5
call fcn.00589e50
push eax
lea ecx, [ebp - 0x220]
call fcn.00593210
mov byte [ebp - 4], 3
push 0
lea ecx, [ebp - 0x220]
call fcn.0040b0c0
push eax
call fcn.00593060
add esp, 8
mov dword [ebp - 0x750], eax
mov ecx, dword [ebp - 0x750]
push ecx
lea ecx, [ebp - 0x94]
call fcn.0040b0c0
push eax
call fcn.0057f690
add esp, 8
mov dword [ebp - 0x744], eax
cmp dword [ebp - 0x750], 0
je 0x5b20d6
mov edx, dword [ebp - 0x750]
mov dword [ebp - 0x770], edx
mov eax, dword [ebp - 0x770]
push eax
call fcn.00615907
add esp, 4
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x220]
call fcn.00593440
cmp dword [ebp - 0x744], 0
jne 0x5b2102
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x94]
call fcn.00593440
jmp 0x5b22c2
mov dword [ebp - 0x758], 0
lea ecx, [ebp - 0x19c]
push ecx
lea ecx, [ebp - 0x118]
call fcn.00593210
mov byte [ebp - 4], 4
push 0x6694b8
push 0x669230
lea ecx, [ebp - 0x118]
call fcn.00594770
lea edx, [ebp - 0x738]
push edx
lea eax, [ebp - 0x758]
push eax
push 1
lea ecx, [ebp - 0x118]
call fcn.0040b0c0
push eax
mov ecx, dword [ebp - 0x744]
push ecx
call fcn.0057e980
add esp, 0x14
test eax, eax
je 0x5b2189
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x118]
call fcn.00593440
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x94]
call fcn.00593440
jmp 0x5b22c2
mov edx, dword [ebp - 0x50c]
mov dword [ebp - 0x740], edx
cmp dword [ebp - 0x740], 0
jne 0x5b21c1
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x118]
call fcn.00593440
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x94]
call fcn.00593440
jmp 0x5b22c2
mov eax, dword [ebp - 0x740]
push eax
call fcn.00615dd1
add esp, 4
mov dword [ebp - 0x774], eax
mov ecx, dword [ebp - 0x774]
mov dword [ebp - 0x73c], ecx
mov edx, dword [ebp - 0x740]
push edx
mov eax, dword [ebp - 0x73c]
push eax
mov ecx, dword [ebp - 0x758]
push ecx
mov edx, dword [ebp - 0x744]
push edx
call fcn.0057ff20
add esp, 0x10
mov dword [ebp - 0x75c], eax
cmp dword [ebp - 0x75c], 0
je 0x5b2281
cmp dword [ebp - 0x75c], 0x600
je 0x5b2281
mov eax, dword [ebp - 0x73c]
mov dword [ebp - 0x778], eax
mov ecx, dword [ebp - 0x778]
push ecx
call fcn.00615907
add esp, 4
mov dword [ebp - 0x73c], 0
call fcn.0058a220
movzx edx, al
test edx, edx
jne 0x5b2261
mov eax, dword [ebp - 0x744]
push eax
call fcn.0057e5a0
add esp, 4
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x118]
call fcn.00593440
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x94]
call fcn.00593440
jmp 0x5b22c2
call fcn.0058a220
movzx ecx, al
test ecx, ecx
jne 0x5b229c
mov edx, dword [ebp - 0x744]
push edx
call fcn.0057e5a0
add esp, 4
mov byte [ebp - 4], 2
lea ecx, [ebp - 0x118]
call fcn.00593440
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x94]
call fcn.00593440
xor eax, eax
jne 0x5b1eca
cmp dword [ebp - 0x73c], 0
jne 0x5b23c0
push 0
push 0x80
push 3
push 0
push 1
push closesocket
lea ecx, [ebp - 0x19c]
call fcn.0040b0c0
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [ebp - 0x74c], eax
cmp dword [ebp - 0x74c], 0xffffffff
jne 0x5b2307
jmp 0x5b23c0
push 0
mov ecx, dword [ebp - 0x74c]
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [ebp - 0x740], eax
cmp dword [ebp - 0x740], 0
jne 0x5b232a
jmp 0x5b23c0
mov dword [ebp - 0x760], 0
mov edx, dword [ebp - 0x740]
push edx
call fcn.00615dd1
add esp, 4
mov dword [ebp - 0x77c], eax
mov eax, dword [ebp - 0x77c]
mov dword [ebp - 0x73c], eax
push 0
lea ecx, [ebp - 0x760]
push ecx
mov edx, dword [ebp - 0x740]
push edx
mov eax, dword [ebp - 0x73c]
push eax
mov ecx, dword [ebp - 0x74c]
push ecx
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov edx, dword [ebp - 0x74c]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [ebp - 0x760]
cmp eax, dword [ebp - 0x740]
je 0x5b23b9
mov ecx, dword [ebp - 0x73c]
mov dword [ebp - 0x780], ecx
mov edx, dword [ebp - 0x780]
push edx
call fcn.00615907
add esp, 4
mov dword [ebp - 0x73c], 0
jmp 0x5b23c0
mov dword [ebp - 0x764], 0
cmp dword [ebp - 0x73c], 0
je 0x5b2414
mov eax, dword [ebp - 0x740]
push eax
mov ecx, dword [ebp - 0x73c]
push ecx
call fcn.005b1d40
add esp, 8
mov dword [ebp - 0x764], eax
mov edx, dword [ebp - 0x73c]
mov dword [ebp - 0x784], edx
mov eax, dword [ebp - 0x784]
push eax
call fcn.00615907
add esp, 4
mov dword [ebp - 0x73c], 0
mov ecx, dword [ebp - 0x764]
mov dword [ebp - 0x788], ecx
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x19c]
call fcn.00593440
mov dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x508]
call fcn.00587840
mov eax, dword [ebp - 0x788]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.006158c5
mov esp, ebp
pop ebp
ret