Function at 0x461b80
Capabilities:
Get file size
Read file on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x24
mov eax, dword [0x520308]
push ebx
push esi
push edi
push 1
push 0
push 0xffffffffffffffff
mov dword [esp + 0x20], ecx
mov ecx, eax
push 0
mov dword [esp + 0x20], eax
call fcn.004b3e10
mov esi, dword [ebp + 8]
or eax, 0xffffffff
mov dword [esp + 0x18], eax
or edx, 0xffffffff
mov eax, dword [0x51b98c]
mov byte [esp + 0xe], 0
mov byte [esp + 0xd], 0
mov dword [esp + 0x20], edx
mov ebx, dword [eax + 0xfc]
and ebx, 0x7fffffff
mov dword [esp + 0x24], ebx
mov edi, esi
nop word [eax + eax]
movzx eax, word [edi]
cmp eax, 0x20
je 0x461bed
cmp eax, 9
jne 0x461bf2
add edi, 2
jmp 0x461be0
cmp eax, 0x2a
jne 0x461d68
movzx ebx, word [edi + 2]
lea esi, [edi + 2]
test ebx, 0xffffff80
je 0x461c0e
xor ecx, ecx
jmp 0x461c1b
push 2
push ebx
call fcn.004d4154
add esp, 8
mov ecx, eax
mov eax, ebx
and eax, 0xffffffdf
test ecx, ecx
cmove eax, ebx
add eax, 0xffffffbd
cmp eax, 0x11
ja case.0x461c38.68
movzx eax, byte [eax + 0x4621ec]
jmp dword [eax*4 + 0x4621d8]
mov byte [esp + 0xd], 1
jmp case.0x461c38.68
lea ecx, [edi + 4]
call fcn.0044f690
movzx ecx, word [esi]
mov dword [esp + 0x18], eax
mov dword [esp + 0x20], edx
test cx, cx
je 0x461c91
mov edi, ecx
mov ecx, 0x506dbc
mov edx, 0x20
nop dword [eax]
cmp di, dx
je 0x461cc9
movzx eax, word [ecx + 2]
add ecx, 2
mov edx, eax
test ax, ax
jne 0x461c70
movzx eax, word [esi + 2]
add esi, 2
mov edi, eax
test ax, ax
jne 0x461c63
mov eax, dword [0x51b98c]
mov dword [eax + 0x30], 0x57
test byte [eax + 0x100], 1
jne 0x461d4a
mov ecx, dword [0x51eabc]
push 1
push 0
push 0xffffffffffffffff
push 0x5068e4
call fcn.004b3e10
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
add esi, 0xfffffffe
jmp case.0x461c38.68
lea eax, [edi + 4]
push eax
call fcn.004cfe02
movzx ecx, word [esi]
add esp, 4
mov dword [esp + 0x24], eax
test cx, cx
je 0x461c91
mov edi, ecx
nop dword [eax + eax]
mov eax, 0x506dbc
mov edx, 0x20
nop word [eax + eax]
cmp di, dx
je 0x461cc9
movzx ecx, word [eax + 2]
add eax, 2
mov edx, ecx
test cx, cx
jne 0x461d00
movzx eax, word [esi + 2]
add esi, 2
mov edi, eax
test ax, ax
jne 0x461cf0
jmp 0x461c91
mov byte [esp + 0xe], 1
cmp word [esi], 0
je 0x461bd8
add esi, 2
cmp word [esi], 0
je 0x461bd8
add esi, 2
jmp 0x461bd8
mov ecx, dword [esp + 0x14]
push 0x4f03e8
push 0
push 0x5068e4
call fcn.0044d520
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
push 0
push 0x8000000
push 3
push 0
push 3
push connect
push esi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov ebx, eax
cmp ebx, 0xffffffff
jne 0x461da3
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, dword [0x51b98c]
test byte [ecx + 0x100], 1
mov dword [ecx + 0x30], eax
jmp 0x461ca4
lea eax, [esp + 0x2c]
xorps xmm0, xmm0
push eax
push ebx
movq qword [esp + 0x30], xmm0
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
mov dword [esp + 0x28], esi
cmp esi, 0xffffffff
jne 0x461dd3
call edi
test eax, eax
jne 0x461de0
mov esi, dword [esp + 0x28]
mov ecx, dword [esp + 0x2c]
mov eax, esi
and eax, ecx
cmp eax, 0xffffffff
jne 0x461dfc
call edi
mov ecx, dword [0x51b98c]
push ebx
mov dword [ecx + 0x30], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [0x51b98c]
jmp 0x461c9d
mov edx, dword [esp + 0x20]
cmp ecx, edx
jb 0x461e12
mov eax, dword [esp + 0x18]
ja 0x461e0e
cmp esi, eax
jbe 0x461e12
mov esi, eax
mov ecx, edx
test ecx, ecx
jne 0x4621b7
cmp esi, 0xfffffffd
ja 0x4621b7
mov eax, esi
or eax, ecx
jne 0x461e5b
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [0x51b98c]
mov dword [eax + 0x30], 0
mov ecx, dword [0x51eabc]
push 1
push 0
push 0xffffffffffffffff
push 0x4f04b0
call fcn.004b3e10
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
cmp byte [esp + 0xd], 0
je 0x461f25
mov edi, dword [esp + 0x10]
mov al, byte [edi + 0x17]
test al, al
jne 0x461e77
mov eax, dword [edi + 0xc]
mov al, byte [eax + 0x17]
cmp al, 2
je 0x461f25
push 0
mov ecx, esi
mov byte [esp + 0x13], 1
shr ecx, 1
mov eax, esi
and eax, 1
push 1
add ecx, eax
push ecx
push 0
mov ecx, edi
call fcn.004b3e10
cmp eax, 1
jne 0x461f54
push 0
push eax
mov ecx, edi
call fcn.00401630
mov edi, eax
test edi, edi
je 0x461f54
push 0
lea eax, [esp + 0x20]
push eax
push esi
push edi
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov esi, eax
mov dword [esp + 0x18], esi
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov ecx, dword [0x51b98c]
push ebx
mov dword [ecx + 0x30], eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
test esi, esi
je 0x46210e
cmp byte [esp + 0xd], 0
jne 0x462088
mov ecx, dword [esp + 0x1c]
cmp ecx, 3
jb 0x461f66
cmp byte [edi], 0xef
jne 0x461f66
cmp byte [edi + 1], 0xbb
jne 0x461f66
cmp byte [edi + 2], 0xbf
jne 0x461f66
lea eax, [ecx - 3]
push 0xfde9
push eax
lea eax, [edi + 3]
push eax
jmp 0x461fb3
lea eax, [esi + 2]
mov byte [esp + 0xf], 0
push eax
call fcn.004cfec5
mov edi, eax
add esp, 4
test edi, edi
jne 0x461eba
mov ecx, dword [esp + 0x14]
push 0x4f03e8
push eax
push 0x504378
call fcn.0044d9a0
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
cmp ecx, 2
jb 0x461fa3
cmp byte [edi], 0xff
jne 0x461fa3
cmp byte [edi + 1], 0xfe
jne 0x461fa3
mov dl, 1
test dl, dl
lea eax, [ecx - 2]
push 0
cmove eax, ecx
mov ecx, dword [esp + 0x14]
shr eax, 1
test dl, dl
push 1
push eax
lea eax, [edi + 2]
cmove eax, edi
push eax
call fcn.004b3e10
neg eax
sbb eax, eax
and eax, esi
mov ebx, eax
jmp 0x461fc8
mov eax, dword [esp + 0x24]
xor dl, dl
cmp eax, 0x4b0
je 0x461f78
push eax
push ecx
push edi
mov ecx, dword [esp + 0x1c]
call fcn.004b49f0
test eax, eax
jne 0x461fc4
xor ebx, ebx
jmp 0x461fc8
mov ebx, dword [esp + 0x18]
push edi
call fcn.004cfed0
mov ecx, dword [esp + 0x14]
add esp, 4
push 0
push 1
call fcn.00401630
cmp byte [esp + 0xe], 0
mov edi, eax
je 0x46215b
mov eax, dword [esp + 0x10]
cmp byte [eax + 0x17], 0
jne 0x461ffa
mov esi, dword [eax + 0xc]
jmp 0x461ffc
mov esi, eax
cmp byte [esi + 0x17], 1
jne 0x462014
test byte [esi + 0x15], 8
je 0x46200f
mov ecx, esi
call fcn.00401490
lea eax, [esi + 0xc]
jmp 0x462019
mov eax, 0x522be8
mov eax, dword [eax]
mov edx, 0x50ff2c
shr eax, 1
mov ecx, edi
mov dword [esp + 0x24], eax
lea eax, [esp + 0x24]
push eax
push 0
push 0xffffffffffffffff
push 0xffffffffffffffff
push 1
push 0x510974
call fcn.004aff30
mov edi, dword [esp + 0x28]
add esp, 0x18
cmp byte [edi + 0x17], 0
jne 0x462051
mov esi, dword [edi + 0xc]
jmp 0x462053
mov esi, edi
cmp byte [esi + 0x17], 1
jne 0x462076
test byte [esi + 0x15], 8
je 0x462066
mov ecx, esi
call fcn.00401490
mov eax, dword [esp + 0x24]
add esi, 0xc
add eax, eax
mov dword [esi], eax
jmp 0x46215f
mov eax, dword [esp + 0x24]
mov esi, 0x522be8
add eax, eax
mov dword [esi], eax
jmp 0x46215f
mov ecx, dword [esp + 0x10]
mov al, byte [ecx + 0x17]
test al, al
jne 0x462099
mov eax, dword [ecx + 0xc]
mov al, byte [eax + 0x17]
cmp al, 2
jne 0x4620c1
mov edx, dword [esp + 0x1c]
mov ecx, edi
call fcn.004b3c40
push edi
mov esi, eax
call fcn.004cfed0
add esp, 4
cmp esi, 1
jne 0x462186
jmp 0x461e3c
mov ebx, dword [esp + 0x1c]
test bl, 1
je 0x4620cf
mov byte [ebx + edi], 0
inc ebx
xor eax, eax
mov word [ebx + edi], ax
mov edi, ecx
cmp byte [edi + 0x17], al
jne 0x4620e1
mov esi, dword [edi + 0xc]
jmp 0x4620e3
mov esi, edi
cmp byte [esi + 0x17], 1
jne 0x462101
test byte [esi + 0x15], 8
je 0x4620f6
mov ecx, esi
call fcn.00401490
add esi, 0xc
mov dword [esi], ebx
mov ebx, dword [esp + 0x18]
jmp 0x46215f
mov esi, 0x522be8
mov dword [esi], ebx
mov ebx, dword [esp + 0x18]
jmp 0x46215f
xor eax, eax
mov word [edi], ax
mov eax, dword [esp + 0x10]
cmp byte [eax + 0x17], 0
jne 0x462122
mov esi, dword [eax + 0xc]
jmp 0x462124
mov esi, eax
cmp byte [esi + 0x17], 1
jne 0x46213c
test byte [esi + 0x15], 8
je 0x462137
mov ecx, esi
call fcn.00401490
add esi, 0xc
jmp 0x462141
mov esi, 0x522be8
cmp byte [esp + 0xf], 0
mov dword [esi], 0
jne 0x462157
push edi
call fcn.004cfed0
add esp, 4
mov ebx, dword [esp + 0x18]
mov edi, dword [esp + 0x10]
cmp byte [edi + 0x17], 0
jne 0x462168
mov edi, dword [edi + 0xc]
cmp byte [edi + 0x17], 2
jne 0x462191
cmp dword [0x5217d4], 0
je 0x462191
push ecx
mov ecx, 0x5217c8
call fcn.004069b0
test eax, eax
jne 0x4621a5
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4
mov al, byte [edi + 0x15]
and al, 0x86
cmp byte [esp + 0xd], 0
mov byte [edi + 0x15], al
je 0x4621a5
or al, 1
mov byte [edi + 0x15], al
test ebx, ebx
jne 0x461e3c
mov eax, dword [0x51b98c]
jmp 0x461c9d
mov ecx, dword [esp + 0x14]
push 0x4f03e8
push 0
push 0x504378
call fcn.0044d9a0
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 4