Function at 0x497b17
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 0x497b46
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x497b50
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00492b01
test eax, eax
pop ecx
je 0x497b6b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00480dce
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00485d30
test eax, eax
pop ecx
je 0x497b86
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00480dce
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x497ba3
test ecx, 0x74000
jne 0x497b9f
cmp dword [ebp - 0x24], eax
je 0x497ba3
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x497bfd
dec eax
je 0x497be7
dec eax
je 0x497be2
call fcn.00487223
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00487210
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00480eca
add esp, 0x14
jmp 0x4981b0
mov dword [ebp - 8], edx
jmp 0x497c00
test cl, 8
je 0x497bf4
test ecx, 0x70000
jne 0x497be2
mov dword [ebp - 8], 0x40000000
jmp 0x497c00
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x497c41
sub eax, ecx
je 0x497c38
sub eax, ecx
je 0x497c2f
sub eax, ecx
je 0x497c26
sub eax, 0x40
jne 0x497bbc
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x497c44
mov dword [ebp - 0x10], 3
jmp 0x497c44
mov dword [ebp - 0x10], 2
jmp 0x497c44
mov dword [ebp - 0x10], 1
jmp 0x497c44
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 0x497c97
je 0x497c8e
cmp eax, ebx
je 0x497c8e
cmp eax, edi
je 0x497c85
cmp eax, 0x200
je 0x497d0a
cmp eax, 0x300
jne 0x497bbc
mov dword [ebp - 0x14], 2
jmp 0x497cb4
mov dword [ebp - 0x14], 4
jmp 0x497cb4
mov dword [ebp - 0x14], 3
jmp 0x497cb4
cmp eax, 0x500
je 0x497cad
cmp eax, 0x600
je 0x497d0a
cmp eax, edx
jne 0x497bbc
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x497cd8
mov ecx, dword [0x4cae74]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x497cd8
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x497cf4
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x497cf4
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x497cfd
or dword [ebp - 0xc], edi
test al, 0x20
je 0x497d13
or dword [ebp - 0xc], 0x8000000
jmp 0x497d1e
mov dword [ebp - 0x14], 5
jmp 0x497cb4
test al, 0x10
je 0x497d1e
or dword [ebp - 0xc], 0x10000000
call fcn.00483a5b
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x497d44
call fcn.00487223
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00487210
mov dword [eax], 0x18
jmp 0x497dd2
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 0x497dde
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x497daa
test byte [ebp + 0x10], 1
je 0x497daa
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 0x497dde
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4cc0c0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00487236
pop ecx
call fcn.00487210
mov eax, dword [eax]
jmp 0x49826c
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x497e2f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4cc0c0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00487236
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x497dd2
call fcn.00487210
mov dword [eax], 0xd
jmp 0x497dd2
cmp eax, 2
jne 0x497e3a
or byte [ebp - 1], 0x40
jmp 0x497e43
cmp eax, 3
jne 0x497e43
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0048382a
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4cc0c0]
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 + 0x4cc0c0]
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 0x497f19
test cl, 0x80
je 0x497fe9
test byte [ebp + 0x10], 2
je 0x497f19
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0048c2f0
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x497ed7
call fcn.00487223
cmp dword [eax], 0x83
je 0x497f19
push dword [esi]
call fcn.0048becf
jmp 0x497dd1
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0048d2b9
add esp, 0xc
test eax, eax
jne 0x497f09
cmp word [ebp - 0x2c], 0x1a
jne 0x497f09
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004832de
add esp, 0xc
cmp eax, edi
je 0x497ecb
push ebx
push ebx
push dword [esi]
call fcn.0048c2f0
add esp, 0xc
cmp eax, edi
je 0x497ecb
test byte [ebp - 1], 0x80
je 0x497fe9
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x497f41
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x497f3e
or dword [ebp + 0x10], edi
jmp 0x497f41
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x497f8e
cmp eax, 0x10000
je 0x497f7a
cmp eax, 0x14000
je 0x497f7a
cmp eax, 0x20000
je 0x497f88
cmp eax, 0x24000
je 0x497f88
cmp eax, 0x40000
je 0x497f74
cmp eax, 0x44000
jne 0x497f91
mov byte [ebp - 2], 1
jmp 0x497f91
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x497f91
mov byte [ebp - 2], 2
jmp 0x497f91
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x497fe9
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x497fe9
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x498143
cmp eax, 0x80000000
je 0x49810a
cmp eax, ecx
jne 0x497fe9
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x497fe9
cmp eax, 2
jbe 0x4981eb
cmp eax, 4
jbe 0x4980dc
cmp eax, 5
je 0x4981eb
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cc0c0]
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 + 0x4cc0c0]
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 0x49805b
test byte [ebp + 0x10], 8
je 0x49805b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cc0c0]
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 0x49826a
test byte [ebp + 0x10], 1
je 0x49826a
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 0x498253
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00487236
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cc0c0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004838a7
pop ecx
jmp 0x497dd1
push 2
push ebx
push ebx
push dword [esi]
call fcn.00492b35
add esp, 0x10
or eax, edx
je 0x4981eb
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00492b35
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x497ecb
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0048d2b9
add esp, 0xc
cmp eax, 0xffffffff
je 0x497ecb
cmp eax, 2
je 0x49818f
cmp eax, 3
jne 0x4981dd
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x49818f
mov byte [ebp - 2], 1
jmp 0x497fe9
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x497fe9
cmp eax, 2
jbe 0x4981eb
cmp eax, 4
ja 0x497fe0
push 2
push ebx
push ebx
push dword [esi]
call fcn.00492b35
add esp, 0x10
or eax, edx
je 0x4981eb
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00492b35
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x497fe9
jmp 0x497ecb
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4981b7
push dword [esi]
call fcn.0048becf
pop ecx
call fcn.00487210
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x49826c
cmp eax, 0xfeff
jne 0x4981dd
push ebx
push 2
push dword [esi]
call fcn.0048c2f0
add esp, 0xc
cmp eax, 0xffffffff
je 0x497ecb
mov byte [ebp - 2], 2
jmp 0x497fe9
push ebx
push ebx
push dword [esi]
call fcn.0048c2f0
add esp, 0xc
jmp 0x498181
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x49820b
dec eax
jne 0x497fe9
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x498219
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.00492888
add esp, 0xc
cmp eax, 0xffffffff
je 0x49823f
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x498219
jmp 0x497fe9
push dword [esi]
call fcn.0048becf
pop ecx
call fcn.00487210
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x49826c
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cc0c0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret