Function at 0x497227
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 0x497256
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x497260
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049c31b
test eax, eax
pop ecx
je 0x49727b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00475f88
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047e7b8
test eax, eax
pop ecx
je 0x497296
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00475f88
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4972b3
test ecx, 0x74000
jne 0x4972af
cmp dword [ebp - 0x24], eax
je 0x4972b3
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x49730d
dec eax
je 0x4972f7
dec eax
je 0x4972f2
call fcn.0047a753
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0047a740
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004760bc
add esp, 0x14
jmp 0x4978bf
mov dword [ebp - 8], edx
jmp 0x497310
test cl, 8
je 0x497304
test ecx, 0x70000
jne 0x4972f2
mov dword [ebp - 8], 0x40000000
jmp 0x497310
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x497351
sub eax, ecx
je 0x497348
sub eax, ecx
je 0x49733f
sub eax, ecx
je 0x497336
sub eax, 0x40
jne 0x4972cc
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x497354
mov dword [ebp - 0x10], 3
jmp 0x497354
mov dword [ebp - 0x10], 2
jmp 0x497354
mov dword [ebp - 0x10], 1
jmp 0x497354
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 0x4973a7
je 0x49739e
cmp eax, ebx
je 0x49739e
cmp eax, edi
je 0x497395
cmp eax, 0x200
je 0x49741a
cmp eax, 0x300
jne 0x4972cc
mov dword [ebp - 0x14], 2
jmp 0x4973c4
mov dword [ebp - 0x14], 4
jmp 0x4973c4
mov dword [ebp - 0x14], 3
jmp 0x4973c4
cmp eax, 0x500
je 0x4973bd
cmp eax, 0x600
je 0x49741a
cmp eax, edx
jne 0x4972cc
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4973e8
mov ecx, dword [0x4c5758]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4973e8
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x497404
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x497404
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x49740d
or dword [ebp - 0xc], edi
test al, 0x20
je 0x497423
or dword [ebp - 0xc], 0x8000000
jmp 0x49742e
mov dword [ebp - 0x14], 5
jmp 0x4973c4
test al, 0x10
je 0x49742e
or dword [ebp - 0xc], 0x10000000
call fcn.00496df3
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x497454
call fcn.0047a753
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0047a740
mov dword [eax], 0x18
jmp 0x4974e2
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 0x4974ee
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4974ba
test byte [ebp + 0x10], 1
je 0x4974ba
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 0x4974ee
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4c60c0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047a766
pop ecx
call fcn.0047a740
mov eax, dword [eax]
jmp 0x49797b
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x49753f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4c60c0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0047a766
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4974e2
call fcn.0047a740
mov dword [eax], 0xd
jmp 0x4974e2
cmp eax, 2
jne 0x49754a
or byte [ebp - 1], 0x40
jmp 0x497553
cmp eax, 3
jne 0x497553
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00496bc2
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4c60c0]
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 + 0x4c60c0]
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 0x497628
test cl, 0x80
je 0x4976f8
test byte [ebp + 0x10], 2
je 0x497628
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004850f6
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4975e7
call fcn.0047a753
cmp dword [eax], 0x83
je 0x497628
push dword [esi]
call fcn.00484157
jmp 0x4974e1
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004847ac
add esp, 0xc
test eax, eax
jne 0x497618
cmp byte [ebp - 4], 0x1a
jne 0x497618
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0049bf60
add esp, 0xc
cmp eax, edi
je 0x4975db
push ebx
push ebx
push dword [esi]
call fcn.004850f6
add esp, 0xc
cmp eax, edi
je 0x4975db
test byte [ebp - 1], 0x80
je 0x4976f8
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x497650
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x49764d
or dword [ebp + 0x10], edi
jmp 0x497650
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x49769d
cmp eax, 0x10000
je 0x497689
cmp eax, 0x14000
je 0x497689
cmp eax, 0x20000
je 0x497697
cmp eax, 0x24000
je 0x497697
cmp eax, 0x40000
je 0x497683
cmp eax, 0x44000
jne 0x4976a0
mov byte [ebp - 2], 1
jmp 0x4976a0
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4976a0
mov byte [ebp - 2], 2
jmp 0x4976a0
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4976f8
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4976f8
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x497852
cmp eax, 0x80000000
je 0x497819
cmp eax, ecx
jne 0x4976f8
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4976f8
cmp eax, 2
jbe 0x4978fa
cmp eax, 4
jbe 0x4977eb
cmp eax, 5
je 0x4978fa
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4c60c0]
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 + 0x4c60c0]
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 0x49776a
test byte [ebp + 0x10], 8
je 0x49776a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4c60c0]
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 0x497979
test byte [ebp + 0x10], 1
je 0x497979
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 0x497962
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047a766
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4c60c0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00496c3f
pop ecx
jmp 0x4974e1
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049525f
add esp, 0x10
or eax, edx
je 0x4978fa
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049525f
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4975db
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004847ac
add esp, 0xc
cmp eax, 0xffffffff
je 0x4975db
cmp eax, 2
je 0x49789e
cmp eax, 3
jne 0x4978ec
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x49789e
mov byte [ebp - 2], 1
jmp 0x4976f8
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4976f8
cmp eax, 2
jbe 0x4978fa
cmp eax, 4
ja 0x4976ef
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049525f
add esp, 0x10
or eax, edx
je 0x4978fa
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049525f
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4976f8
jmp 0x4975db
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4978c6
push dword [esi]
call fcn.00484157
pop ecx
call fcn.0047a740
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x49797b
cmp eax, 0xfeff
jne 0x4978ec
push ebx
push 2
push dword [esi]
call fcn.004850f6
add esp, 0xc
cmp eax, 0xffffffff
je 0x4975db
mov byte [ebp - 2], 2
jmp 0x4976f8
push ebx
push ebx
push dword [esi]
call fcn.004850f6
add esp, 0xc
jmp 0x497890
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x49791a
dec eax
jne 0x4976f8
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x497928
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.004959c1
add esp, 0xc
cmp eax, 0xffffffff
je 0x49794e
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x497928
jmp 0x4976f8
push dword [esi]
call fcn.00484157
pop ecx
call fcn.0047a740
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x49797b
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4c60c0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret