Function at 0x497774
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
push ebx
xor ebx, ebx
test byte [ebp + 0x10], 0x80
push esi
push edi
mov esi, eax
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0x28], ebx
mov byte [ebp - 2], bl
mov dword [ebp - 0x34], 0xc
mov dword [ebp - 0x30], ebx
je 0x4977a3
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4977ad
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049946a
test eax, eax
pop ecx
je 0x4977c8
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004861f0
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00486ec9
test eax, eax
pop ecx
je 0x4977e3
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004861f0
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x497800
test ecx, 0x74000
jne 0x4977fc
cmp dword [ebp - 0x24], eax
je 0x497800
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SHChangeNotifyRegister
je 0x49785a
dec eax
je 0x497844
dec eax
je 0x49783f
call fcn.00488385
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00488372
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004862ec
add esp, 0x14
jmp 0x497e0c
mov dword [ebp - 8], edx
jmp 0x49785d
test cl, 8
je 0x497851
test ecx, 0x70000
jne 0x49783f
mov dword [ebp - 8], 0x40000000
jmp 0x49785d
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x49789e
sub eax, ecx
je 0x497895
sub eax, ecx
je 0x49788c
sub eax, ecx
je 0x497883
sub eax, 0x40
jne 0x497819
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4978a1
mov dword [ebp - 0x10], 3
jmp 0x4978a1
mov dword [ebp - 0x10], 2
jmp 0x4978a1
mov dword [ebp - 0x10], 1
jmp 0x4978a1
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, 0x100
jg 0x4978f4
je 0x4978eb
cmp eax, ebx
je 0x4978eb
cmp eax, edi
je 0x4978e2
cmp eax, 0x200
je 0x497967
cmp eax, 0x300
jne 0x497819
mov dword [ebp - 0x14], 2
jmp 0x497911
mov dword [ebp - 0x14], 4
jmp 0x497911
mov dword [ebp - 0x14], 3
jmp 0x497911
cmp eax, 0x500
je 0x49790a
cmp eax, 0x600
je 0x497967
cmp eax, edx
jne 0x497819
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x497935
mov ecx, dword [0x502e88]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x497935
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x497951
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x497951
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x49795a
or dword [ebp - 0xc], edi
test al, 0x20
je 0x497970
or dword [ebp - 0xc], 0x8000000
jmp 0x49797b
mov dword [ebp - 0x14], 5
jmp 0x497911
test al, 0x10
je 0x49797b
or dword [ebp - 0xc], 0x10000000
call fcn.004975d5
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4979a1
call fcn.00488385
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00488372
mov dword [eax], 0x18
jmp 0x497a2f
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileA]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x34]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x497a3b
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x497a07
test byte [ebp + 0x10], 1
je 0x497a07
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push dword [ebp - 0x14]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x497a3b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x503b20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00488398
pop ecx
call fcn.00488372
mov eax, dword [eax]
jmp 0x497ec8
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x497a8c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x503b20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00488398
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x497a2f
call fcn.00488372
mov dword [eax], 0xd
jmp 0x497a2f
cmp eax, 2
jne 0x497a97
or byte [ebp - 1], 0x40
jmp 0x497aa0
cmp eax, 3
jne 0x497aa0
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004973a4
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x503b20]
pop ecx
pop ecx
mov cl, byte [ebp - 1]
or cl, 1
mov byte [edx + eax + 4], cl
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x503b20]
lea eax, [edx + eax + 0x24]
and byte [eax], 0x80
mov byte [ebp - 3], cl
and byte [ebp - 3], 0x48
mov byte [ebp - 1], cl
jne 0x497b75
test cl, 0x80
je 0x497c45
test byte [ebp + 0x10], 2
je 0x497b75
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004928e3
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x497b34
call fcn.00488385
cmp dword [eax], 0x83
je 0x497b75
push dword [esi]
call fcn.0048d593
jmp 0x497a2e
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00492955
add esp, 0xc
test eax, eax
jne 0x497b65
cmp byte [ebp - 4], 0x1a
jne 0x497b65
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004991fa
add esp, 0xc
cmp eax, edi
je 0x497b28
push ebx
push ebx
push dword [esi]
call fcn.004928e3
add esp, 0xc
cmp eax, edi
je 0x497b28
test byte [ebp - 1], 0x80
je 0x497c45
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x497b9d
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x497b9a
or dword [ebp + 0x10], edi
jmp 0x497b9d
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x497bea
cmp eax, 0x10000
je 0x497bd6
cmp eax, 0x14000
je 0x497bd6
cmp eax, 0x20000
je 0x497be4
cmp eax, 0x24000
je 0x497be4
cmp eax, 0x40000
je 0x497bd0
cmp eax, 0x44000
jne 0x497bed
mov byte [ebp - 2], 1
jmp 0x497bed
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x497bed
mov byte [ebp - 2], 2
jmp 0x497bed
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x497c45
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x497c45
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x497d9f
cmp eax, 0x80000000
je 0x497d66
cmp eax, ecx
jne 0x497c45
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x497c45
cmp eax, 2
jbe 0x497e47
cmp eax, 4
jbe 0x497d38
cmp eax, 5
je 0x497e47
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x503b20]
lea eax, [ecx + eax + 0x24]
mov cl, byte [eax]
xor cl, byte [ebp - 2]
and cl, 0x7f
xor byte [eax], cl
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x503b20]
lea eax, [ecx + eax + 0x24]
mov ecx, dword [ebp + 0x10]
mov dl, byte [eax]
shr ecx, 0x10
shl cl, 7
and dl, 0x7f
or cl, dl
cmp byte [ebp - 3], bl
mov byte [eax], cl
jne 0x497cb7
test byte [ebp + 0x10], 8
je 0x497cb7
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x503b20]
lea eax, [ecx + eax + 4]
or byte [eax], 0x20
mov edi, dword [ebp - 8]
mov eax, 0xc0000000
mov ecx, edi
and ecx, eax
cmp ecx, eax
jne 0x497ec6
test byte [ebp + 0x10], 1
je 0x497ec6
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
jne 0x497eaf
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00488398
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x503b20]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00497421
pop ecx
jmp 0x497a2e
push 2
push ebx
push ebx
push dword [esi]
call fcn.00498074
add esp, 0x10
or eax, edx
je 0x497e47
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00498074
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x497b28
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00492955
add esp, 0xc
cmp eax, 0xffffffff
je 0x497b28
cmp eax, 2
je 0x497deb
cmp eax, 3
jne 0x497e39
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x497deb
mov byte [ebp - 2], 1
jmp 0x497c45
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x497c45
cmp eax, 2
jbe 0x497e47
cmp eax, 4
ja 0x497c3c
push 2
push ebx
push ebx
push dword [esi]
call fcn.00498074
add esp, 0x10
or eax, edx
je 0x497e47
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00498074
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x497c45
jmp 0x497b28
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x497e13
push dword [esi]
call fcn.0048d593
pop ecx
call fcn.00488372
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x497ec8
cmp eax, 0xfeff
jne 0x497e39
push ebx
push 2
push dword [esi]
call fcn.004928e3
add esp, 0xc
cmp eax, 0xffffffff
je 0x497b28
mov byte [ebp - 2], 2
jmp 0x497c45
push ebx
push ebx
push dword [esi]
call fcn.004928e3
add esp, 0xc
jmp 0x497ddd
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x497e67
dec eax
jne 0x497c45
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x497e75
mov dword [ebp - 0x18], 0xbfbbef
mov dword [ebp - 0x14], 3
mov eax, dword [ebp - 0x14]
sub eax, edi
push eax
lea eax, [ebp + edi - 0x18]
push eax
push dword [esi]
call fcn.00495ed3
add esp, 0xc
cmp eax, 0xffffffff
je 0x497e9b
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x497e75
jmp 0x497c45
push dword [esi]
call fcn.0048d593
pop ecx
call fcn.00488372
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x497ec8
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x503b20]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret