Function at 0x497834
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
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 - 0x38], 0xc
mov dword [ebp - 0x34], ebx
je 0x497863
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x49786d
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049a1c6
test eax, eax
pop ecx
je 0x497888
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047883e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00479ead
test eax, eax
pop ecx
je 0x4978a3
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047883e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4978c0
test ecx, 0x74000
jne 0x4978bc
cmp dword [ebp - 0x24], eax
je 0x4978c0
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x49791a
dec eax
je 0x497904
dec eax
je 0x4978ff
call fcn.0047f6db
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0047f6c8
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0047893a
add esp, 0x14
jmp 0x497ecd
mov dword [ebp - 8], edx
jmp 0x49791d
test cl, 8
je 0x497911
test ecx, 0x70000
jne 0x4978ff
mov dword [ebp - 8], 0x40000000
jmp 0x49791d
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x49795e
sub eax, ecx
je 0x497955
sub eax, ecx
je 0x49794c
sub eax, ecx
je 0x497943
sub eax, 0x40
jne 0x4978d9
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x497961
mov dword [ebp - 0x10], 3
jmp 0x497961
mov dword [ebp - 0x10], 2
jmp 0x497961
mov dword [ebp - 0x10], 1
jmp 0x497961
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 0x4979b4
je 0x4979ab
cmp eax, ebx
je 0x4979ab
cmp eax, edi
je 0x4979a2
cmp eax, 0x200
je 0x497a27
cmp eax, 0x300
jne 0x4978d9
mov dword [ebp - 0x14], 2
jmp 0x4979d1
mov dword [ebp - 0x14], 4
jmp 0x4979d1
mov dword [ebp - 0x14], 3
jmp 0x4979d1
cmp eax, 0x500
je 0x4979ca
cmp eax, 0x600
je 0x497a27
cmp eax, edx
jne 0x4978d9
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4979f5
mov ecx, dword [0x4f1a9c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4979f5
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x497a11
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x497a11
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x497a1a
or dword [ebp - 0xc], edi
test al, 0x20
je 0x497a30
or dword [ebp - 0xc], 0x8000000
jmp 0x497a3b
mov dword [ebp - 0x14], 5
jmp 0x4979d1
test al, 0x10
je 0x497a3b
or dword [ebp - 0xc], 0x10000000
call fcn.00480a2e
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x497a61
call fcn.0047f6db
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0047f6c8
mov dword [eax], 0x18
jmp 0x497aef
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x38]
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 0x497afb
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x497ac7
test byte [ebp + 0x10], 1
je 0x497ac7
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
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 0x497afb
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x503020]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047f6ee
pop ecx
call fcn.0047f6c8
mov eax, dword [eax]
jmp 0x497f89
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x497b4c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x503020]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0047f6ee
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x497aef
call fcn.0047f6c8
mov dword [eax], 0xd
jmp 0x497aef
cmp eax, 2
jne 0x497b57
or byte [ebp - 1], 0x40
jmp 0x497b60
cmp eax, 3
jne 0x497b60
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004807fd
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x503020]
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 + 0x503020]
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 0x497c36
test cl, 0x80
je 0x497d06
test byte [ebp + 0x10], 2
je 0x497c36
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004875e9
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x497bf4
call fcn.0047f6db
cmp dword [eax], 0x83
je 0x497c36
push dword [esi]
call fcn.004864d6
jmp 0x497aee
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00489062
add esp, 0xc
test eax, eax
jne 0x497c26
cmp word [ebp - 0x2c], 0x1a
jne 0x497c26
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00499f56
add esp, 0xc
cmp eax, edi
je 0x497be8
push ebx
push ebx
push dword [esi]
call fcn.004875e9
add esp, 0xc
cmp eax, edi
je 0x497be8
test byte [ebp - 1], 0x80
je 0x497d06
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x497c5e
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x497c5b
or dword [ebp + 0x10], edi
jmp 0x497c5e
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x497cab
cmp eax, 0x10000
je 0x497c97
cmp eax, 0x14000
je 0x497c97
cmp eax, 0x20000
je 0x497ca5
cmp eax, 0x24000
je 0x497ca5
cmp eax, 0x40000
je 0x497c91
cmp eax, 0x44000
jne 0x497cae
mov byte [ebp - 2], 1
jmp 0x497cae
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x497cae
mov byte [ebp - 2], 2
jmp 0x497cae
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x497d06
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x497d06
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x497e60
cmp eax, 0x80000000
je 0x497e27
cmp eax, ecx
jne 0x497d06
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x497d06
cmp eax, 2
jbe 0x497f08
cmp eax, 4
jbe 0x497df9
cmp eax, 5
je 0x497f08
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x503020]
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 + 0x503020]
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 0x497d78
test byte [ebp + 0x10], 8
je 0x497d78
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x503020]
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 0x497f87
test byte [ebp + 0x10], 1
je 0x497f87
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x497f70
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047f6ee
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x503020]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048087a
pop ecx
jmp 0x497aee
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048ec46
add esp, 0x10
or eax, edx
je 0x497f08
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048ec46
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x497be8
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00489062
add esp, 0xc
cmp eax, 0xffffffff
je 0x497be8
cmp eax, 2
je 0x497eac
cmp eax, 3
jne 0x497efa
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x497eac
mov byte [ebp - 2], 1
jmp 0x497d06
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x497d06
cmp eax, 2
jbe 0x497f08
cmp eax, 4
ja 0x497cfd
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048ec46
add esp, 0x10
or eax, edx
je 0x497f08
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048ec46
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x497d06
jmp 0x497be8
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x497ed4
push dword [esi]
call fcn.004864d6
pop ecx
call fcn.0047f6c8
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x497f89
cmp eax, 0xfeff
jne 0x497efa
push ebx
push 2
push dword [esi]
call fcn.004875e9
add esp, 0xc
cmp eax, 0xffffffff
je 0x497be8
mov byte [ebp - 2], 2
jmp 0x497d06
push ebx
push ebx
push dword [esi]
call fcn.004875e9
add esp, 0xc
jmp 0x497e9e
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x497f28
dec eax
jne 0x497d06
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x497f36
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.0048726c
add esp, 0xc
cmp eax, 0xffffffff
je 0x497f5c
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x497f36
jmp 0x497d06
push dword [esi]
call fcn.004864d6
pop ecx
call fcn.0047f6c8
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x497f89
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x503020]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret