Function at 0x56af50
Capabilities:
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5ceac3
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0xf8
push ebx
push esi
mov ebx, ecx
push edi
lea ecx, [ebp - 0x104]
mov dword [ebp - 0x10], esp
mov dword [ebp - 0x20], ebx
mov dword [ebp - 4], 0
call fcn.0056a390
mov dword [ebp - 0x24], 0x5da770
mov eax, dword [ebx + 0x1c]
mov byte [ebp - 4], 2
test eax, eax
jg 0x56afad
jl 0x56b10d
cmp dword [ebx + 0x18], 0x14
jb 0x56b10d
mov edx, dword [ebx + 0x10]
lea eax, [ebp - 0x14]
push 0
push eax
lea ecx, [ebp - 0x88]
push 0x14
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x56b2f3
mov eax, dword [ebp - 0x14]
test eax, eax
je 0x56b2f3
sub esp, 0x14
mov ecx, 5
lea esi, [ebp - 0x88]
mov edi, esp
rep movsd dword es:[edi], dword [esi]
lea ecx, [ebp - 0x104]
call fcn.0056a6b0
mov esi, eax
test esi, esi
jbe 0x56b306
lea ecx, [esi + 0x14]
cmp esi, 0x19000
mov dword [ebp - 0x18], ecx
ja 0x56b306
mov edx, dword [ebx + 0x1c]
xor eax, eax
cmp eax, edx
jl 0x56b02a
jg 0x56b10d
cmp ecx, dword [ebx + 0x18]
ja 0x56b10d
push esi
call fcn.005a1be9
mov edi, eax
add esp, 4
test edi, edi
jne 0x56b04a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.PreCheckAvi_st2__err__ld_r_n
jmp 0x56b2ff
mov ecx, dword [ebx + 0x10]
lea eax, [ebp - 0x14]
push 0
push eax
push esi
push edi
push ecx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x56b2d5
mov eax, dword [ebp - 0x14]
test eax, eax
je 0x56b2d5
lea edx, [ebp - 0xc8]
lea eax, [ebp - 0x100]
push edx
push eax
push esi
push edi
lea ecx, [ebp - 0x104]
call fcn.0056a570
push edi
call fcn.005a1c12
mov edi, dword [ebp - 0x18]
mov ecx, dword [ebx + 0x1c]
xor eax, eax
add esp, 4
add edi, 8
cmp eax, ecx
jl 0x56b0a9
jg 0x56b10d
cmp edi, dword [ebx + 0x18]
ja 0x56b10d
mov eax, dword [ebx + 0x10]
lea ecx, [ebp - 0x14]
push 0
push ecx
lea edx, [ebp - 0x74]
push 8
push edx
push eax
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x56b2c7
mov eax, dword [ebp - 0x14]
test eax, eax
je 0x56b2c7
mov ecx, dword [ebp - 0x70]
mov edx, dword [ebp - 0x74]
push ecx
push edx
lea ecx, [ebp - 0x104]
call fcn.0056a710
mov esi, eax
test esi, esi
jbe 0x56b193
add edi, esi
cmp esi, 0x19000
ja 0x56b306
mov ecx, dword [ebx + 0x1c]
xor eax, eax
cmp eax, ecx
jl 0x56b13c
jg 0x56b10d
cmp edi, dword [ebx + 0x18]
jbe 0x56b13c
mov ebx, dword [ebx + 0x14]
lea ecx, [ebp - 0x104]
neg ebx
sbb ebx, ebx
mov byte [ebp - 4], 0
and ebx, 0xfffffffe
add ebx, 3
call fcn.0056a3d0
mov eax, ebx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push esi
call fcn.005a1be9
mov edi, eax
add esp, 4
test edi, edi
jne 0x56b15c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.PreCheckAvi_st5__err__ld_r_n
jmp 0x56b2ff
mov ecx, dword [ebx + 0x10]
lea eax, [ebp - 0x14]
push 0
push eax
push esi
push edi
push ecx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x56b1cf
mov eax, dword [ebp - 0x14]
test eax, eax
je 0x56b1cf
push 0
push 0
push esi
push edi
lea ecx, [ebp - 0x104]
call fcn.0056a570
push edi
call fcn.005a1c12
add esp, 4
mov al, byte [ebp - 0x46]
test al, al
je 0x56b306
mov al, byte [ebp - 0x47]
test al, al
je 0x56b306
fld dword [ebp - 0x68]
call fcn.00589918
mov edi, edx
mov esi, eax
test edi, edi
jg 0x56b1e0
jl 0x56b1bf
test esi, esi
jae 0x56b1e0
mov edx, dword [0x688638]
lea eax, [ebp - 0x44]
push edx
push eax
jmp 0x56b27b
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.PreCheckAvi_st6__err__ld_r_n
jmp 0x56b2e1
push 0
push 0x3c
push edi
push esi
call fcn.0058b2f0
mov dword [ebp - 0x18], eax
mov ecx, esi
cdq
sub ecx, eax
mov eax, edi
sbb eax, edx
push 0
push 0x3c
push eax
push ecx
call fcn.0058b240
push 0
push 0x3c
push edx
push eax
call fcn.0058b2f0
push 0
push 0xe10
push edi
push esi
mov dword [ebp - 0x1c], eax
call fcn.0058b240
test edx, edx
jg 0x56b272
jl 0x56b22b
cmp eax, 0x2710
ja 0x56b272
test eax, eax
je 0x56b23c
mov ecx, dword [ebp - 0x1c]
mov edx, dword [0x688690]
push ecx
push eax
jmp 0x56b24e
mov eax, dword [ebp - 0x1c]
mov ecx, dword [ebp - 0x18]
test eax, eax
push ecx
je 0x56b25d
mov edx, dword [0x68868c]
push eax
lea eax, [ebp - 0x44]
push edx
push eax
call fcn.00589e0a
add esp, 0x10
jmp 0x56b283
mov edx, dword [0x688688]
lea eax, [ebp - 0x44]
push edx
push eax
call fcn.00589e0a
add esp, 0xc
jmp 0x56b283
lea ecx, [ebp - 0x44]
push 0x65be5c
push ecx
call fcn.00589e0a
add esp, 8
mov eax, dword [ebp - 0x6c]
mov ecx, dword [ebp - 0x60]
lea edx, [ebp - 0x44]
add ebx, 8
push edx
mov edx, dword [ebp - 0x64]
push eax
mov eax, dword [0x6886fc]
push ecx
push edx
push eax
push ebx
call fcn.0059e618
add esp, 0x18
lea ecx, [ebp - 0x104]
mov byte [ebp - 4], 0
call fcn.0056a3d0
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.PreCheckAvi_st4__err__ld_r_n
jmp 0x56b2ff
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.PreCheckAvi_st3__err__ld_r_n
mov ecx, ebx
call fcn.0056c4f0
push edi
call fcn.005a1c12
add esp, 4
jmp 0x56b306
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.PreCheckAvi_st1__err__ld_r_n
mov ecx, ebx
call fcn.0056c4f0
lea ecx, [ebp - 0x104]
mov byte [ebp - 4], 0
call fcn.0056a3d0
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov eax, 1
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret