Function at 0x49713f
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 0x49716e
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x497178
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00499f11
test eax, eax
pop ecx
je 0x497193
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048d9bf
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0048c62f
test eax, eax
pop ecx
je 0x4971ae
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048d9bf
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4971cb
test ecx, 0x74000
jne 0x4971c7
cmp dword [ebp - 0x24], eax
je 0x4971cb
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x497225
dec eax
je 0x49720f
dec eax
je 0x49720a
call fcn.0048ac7d
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048ac6a
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048dabb
add esp, 0x14
jmp 0x4977d7
mov dword [ebp - 8], edx
jmp 0x497228
test cl, 8
je 0x49721c
test ecx, 0x70000
jne 0x49720a
mov dword [ebp - 8], 0x40000000
jmp 0x497228
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x497269
sub eax, ecx
je 0x497260
sub eax, ecx
je 0x497257
sub eax, ecx
je 0x49724e
sub eax, 0x40
jne 0x4971e4
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x49726c
mov dword [ebp - 0x10], 3
jmp 0x49726c
mov dword [ebp - 0x10], 2
jmp 0x49726c
mov dword [ebp - 0x10], 1
jmp 0x49726c
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 0x4972bf
je 0x4972b6
cmp eax, ebx
je 0x4972b6
cmp eax, edi
je 0x4972ad
cmp eax, 0x200
je 0x497332
cmp eax, 0x300
jne 0x4971e4
mov dword [ebp - 0x14], 2
jmp 0x4972dc
mov dword [ebp - 0x14], 4
jmp 0x4972dc
mov dword [ebp - 0x14], 3
jmp 0x4972dc
cmp eax, 0x500
je 0x4972d5
cmp eax, 0x600
je 0x497332
cmp eax, edx
jne 0x4971e4
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x497300
mov ecx, dword [0x4de080]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x497300
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x49731c
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x49731c
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x497325
or dword [ebp - 0xc], edi
test al, 0x20
je 0x49733b
or dword [ebp - 0xc], 0x8000000
jmp 0x497346
mov dword [ebp - 0x14], 5
jmp 0x4972dc
test al, 0x10
je 0x497346
or dword [ebp - 0xc], 0x10000000
call fcn.00496e20
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x49736c
call fcn.0048ac7d
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048ac6a
mov dword [eax], 0x18
jmp 0x4973fa
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 0x497406
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4973d2
test byte [ebp + 0x10], 1
je 0x4973d2
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 0x497406
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4debe0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0048ac90
pop ecx
call fcn.0048ac6a
mov eax, dword [eax]
jmp 0x497893
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x497457
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4debe0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0048ac90
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4973fa
call fcn.0048ac6a
mov dword [eax], 0xd
jmp 0x4973fa
cmp eax, 2
jne 0x497462
or byte [ebp - 1], 0x40
jmp 0x49746b
cmp eax, 3
jne 0x49746b
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00496bef
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4debe0]
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 + 0x4debe0]
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 0x497540
test cl, 0x80
je 0x497610
test byte [ebp + 0x10], 2
je 0x497540
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00494c71
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4974ff
call fcn.0048ac7d
cmp dword [eax], 0x83
je 0x497540
push dword [esi]
call fcn.0048fc7c
jmp 0x4973f9
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00494e03
add esp, 0xc
test eax, eax
jne 0x497530
cmp byte [ebp - 4], 0x1a
jne 0x497530
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00499ca1
add esp, 0xc
cmp eax, edi
je 0x4974f3
push ebx
push ebx
push dword [esi]
call fcn.00494c71
add esp, 0xc
cmp eax, edi
je 0x4974f3
test byte [ebp - 1], 0x80
je 0x497610
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x497568
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x497565
or dword [ebp + 0x10], edi
jmp 0x497568
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4975b5
cmp eax, 0x10000
je 0x4975a1
cmp eax, 0x14000
je 0x4975a1
cmp eax, 0x20000
je 0x4975af
cmp eax, 0x24000
je 0x4975af
cmp eax, 0x40000
je 0x49759b
cmp eax, 0x44000
jne 0x4975b8
mov byte [ebp - 2], 1
jmp 0x4975b8
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4975b8
mov byte [ebp - 2], 2
jmp 0x4975b8
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x497610
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x497610
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x49776a
cmp eax, 0x80000000
je 0x497731
cmp eax, ecx
jne 0x497610
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x497610
cmp eax, 2
jbe 0x497812
cmp eax, 4
jbe 0x497703
cmp eax, 5
je 0x497812
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4debe0]
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 + 0x4debe0]
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 0x497682
test byte [ebp + 0x10], 8
je 0x497682
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4debe0]
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 0x497891
test byte [ebp + 0x10], 1
je 0x497891
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 0x49787a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0048ac90
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4debe0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00496c6c
pop ecx
jmp 0x4973f9
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049651a
add esp, 0x10
or eax, edx
je 0x497812
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049651a
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4974f3
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00494e03
add esp, 0xc
cmp eax, 0xffffffff
je 0x4974f3
cmp eax, 2
je 0x4977b6
cmp eax, 3
jne 0x497804
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4977b6
mov byte [ebp - 2], 1
jmp 0x497610
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x497610
cmp eax, 2
jbe 0x497812
cmp eax, 4
ja 0x497607
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049651a
add esp, 0x10
or eax, edx
je 0x497812
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049651a
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x497610
jmp 0x4974f3
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4977de
push dword [esi]
call fcn.0048fc7c
pop ecx
call fcn.0048ac6a
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x497893
cmp eax, 0xfeff
jne 0x497804
push ebx
push 2
push dword [esi]
call fcn.00494c71
add esp, 0xc
cmp eax, 0xffffffff
je 0x4974f3
mov byte [ebp - 2], 2
jmp 0x497610
push ebx
push ebx
push dword [esi]
call fcn.00494c71
add esp, 0xc
jmp 0x4977a8
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x497832
dec eax
jne 0x497610
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x497840
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.00494b95
add esp, 0xc
cmp eax, 0xffffffff
je 0x497866
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x497840
jmp 0x497610
push dword [esi]
call fcn.0048fc7c
pop ecx
call fcn.0048ac6a
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x497893
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4debe0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret