Function at 0x4504c0
Capabilities:
Get file size
Read file on windows

Disassembly:
sub esp, 0x120
mov eax, dword [0x4983c0]
xor eax, esp
mov dword [esp + 0x11c], eax
mov eax, dword [esp + 0x124]
push ebx
push ebp
mov ebp, dword [esp + 0x134]
xor ebx, ebx
push esi
push edi
mov edi, dword [esp + 0x138]
xor esi, esi
push edi
mov dword [esp + 0x20], eax
mov dword [esp + 0x18], edi
call fcn.0045bfdc
add esp, 4
mov dword [esp + 0x20], eax
test eax, eax
jne 0x45053f
push 0x100
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.api_ms_win_core_errorhandling_l1_1_0.dll_GetLastError]
push eax
call fcn.00403720
push eax
push edi
push str.schannel:_invalid_path_name_for_CA_file__s:__s
push ebp
call fcn.00417e10
push esi
call dword [0x498004]
add esp, 0x20
lea eax, [ebx + 0x4d]
jmp 0x45069f
push 0
push 0x80
push 3
push 0
push 1
push connect
push eax
call dword [sym.imp.api_ms_win_core_file_l1_1_0.dll_CreateFileA]
mov dword [esp + 0x18], eax
cmp eax, 0xffffffff
jne 0x450599
push 0x100
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.api_ms_win_core_errorhandling_l1_1_0.dll_GetLastError]
push eax
call fcn.00403720
push eax
push edi
push str.schannel:_failed_to_open_CA_file__s:__s
push ebp
call fcn.00417e10
push 0
mov esi, 0x4d
call dword [0x498004]
add esp, 0x20
jmp 0x450691
lea ecx, [esp + 0x24]
push ecx
push eax
call dword [sym.imp.api_ms_win_core_file_l1_1_0.dll_GetFileSizeEx]
test eax, eax
jne 0x4505d9
push 0x100
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.api_ms_win_core_errorhandling_l1_1_0.dll_GetLastError]
push eax
call fcn.00403720
push eax
push edi
push str.schannel:_failed_to_determine_size_of_CA_file__s:__s
push ebp
call fcn.00417e10
add esp, 0x1c
mov esi, 0x4d
jmp 0x45067d
mov edi, dword [esp + 0x24]
cmp dword [esp + 0x28], ebx
jl 0x450607
jg 0x4505ed
cmp edi, 0x100000
jbe 0x450607
push 0x100000
push str.schannel:_CA_file_exceeds_max_size_of__u_bytes
push ebp
call fcn.00417e10
add esp, 0xc
mov esi, 0x4d
jmp 0x45067d
lea eax, [edi + 1]
push eax
call dword [section..data]
mov ebx, eax
add esp, 4
test ebx, ebx
jne 0x45061f
lea esi, [eax + 0x1b]
jmp 0x45067d
test edi, edi
je 0x450664
nop dword [eax]
nop word [eax + eax]
push 0
lea eax, [esp + 0x14]
mov dword [esp + 0x14], 0
push eax
mov eax, edi
sub eax, esi
push eax
lea eax, [esi + ebx]
push eax
push dword [esp + 0x28]
call dword [sym.imp.api_ms_win_core_file_l1_1_0.dll_ReadFile]
test eax, eax
je 0x4506bc
mov eax, dword [esp + 0x10]
test eax, eax
je 0x4506b8
add esi, eax
cmp esi, edi
jb 0x450630
push ebp
push dword [esp + 0x18]
mov byte [edi + ebx], 0
push edi
push ebx
push dword [esp + 0x2c]
call fcn.004502c0
add esp, 0x14
mov esi, eax
push dword [esp + 0x18]
call dword [sym.imp.api_ms_win_core_handle_l1_1_0.dll_CloseHandle]
push ebx
call dword [0x498004]
add esp, 4
push dword [esp + 0x20]
call fcn.004668fd
add esp, 4
mov eax, esi
mov ecx, dword [esp + 0x12c]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00457f0e
add esp, 0x120
ret
mov edi, esi
jmp 0x450664
push 0x100
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.api_ms_win_core_errorhandling_l1_1_0.dll_GetLastError]
push eax
call fcn.00403720
push eax
push dword [esp + 0x24]
push str.schannel:_failed_to_read_from_CA_file__s:__s
push ebp
call fcn.00417e10
add esp, 0x1c
mov esi, 0x4d
jmp 0x45067d