Function at 0x5353e4
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 0x535413
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x53541d
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0053606d
test eax, eax
pop ecx
je 0x535438
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0051429f
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0051474f
test eax, eax
pop ecx
je 0x535453
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0051429f
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x535470
test ecx, 0x74000
jne 0x53546c
cmp dword [ebp - 0x24], eax
je 0x535470
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x5354ca
dec eax
je 0x5354b4
dec eax
je 0x5354af
call fcn.0051443f
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0051442c
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.005143bd
add esp, 0x14
jmp 0x535a7d
mov dword [ebp - 8], edx
jmp 0x5354cd
test cl, 8
je 0x5354c1
test ecx, 0x70000
jne 0x5354af
mov dword [ebp - 8], 0x40000000
jmp 0x5354cd
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x53550e
sub eax, ecx
je 0x535505
sub eax, ecx
je 0x5354fc
sub eax, ecx
je 0x5354f3
sub eax, 0x40
jne 0x535489
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x535511
mov dword [ebp - 0x10], 3
jmp 0x535511
mov dword [ebp - 0x10], 2
jmp 0x535511
mov dword [ebp - 0x10], 1
jmp 0x535511
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 0x535564
je 0x53555b
cmp eax, ebx
je 0x53555b
cmp eax, edi
je 0x535552
cmp eax, 0x200
je 0x5355d7
cmp eax, 0x300
jne 0x535489
mov dword [ebp - 0x14], 2
jmp 0x535581
mov dword [ebp - 0x14], 4
jmp 0x535581
mov dword [ebp - 0x14], 3
jmp 0x535581
cmp eax, 0x500
je 0x53557a
cmp eax, 0x600
je 0x5355d7
cmp eax, edx
jne 0x535489
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x5355a5
mov ecx, dword [0x587000]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x5355a5
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x5355c1
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x5355c1
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x5355ca
or dword [ebp - 0xc], edi
test al, 0x20
je 0x5355e0
or dword [ebp - 0xc], 0x8000000
jmp 0x5355eb
mov dword [ebp - 0x14], 5
jmp 0x535581
test al, 0x10
je 0x5355eb
or dword [ebp - 0xc], 0x10000000
call fcn.0051ea0b
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x535611
call fcn.0051443f
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0051442c
mov dword [eax], 0x18
jmp 0x53569f
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 0x5356ab
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x535677
test byte [ebp + 0x10], 1
je 0x535677
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 0x5356ab
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x59f5a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00514452
pop ecx
call fcn.0051442c
mov eax, dword [eax]
jmp 0x535b39
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x5356fc
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x59f5a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00514452
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x53569f
call fcn.0051442c
mov dword [eax], 0xd
jmp 0x53569f
cmp eax, 2
jne 0x535707
or byte [ebp - 1], 0x40
jmp 0x535710
cmp eax, 3
jne 0x535710
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0051e7da
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x59f5a0]
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 + 0x59f5a0]
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 0x5357e6
test cl, 0x80
je 0x5358b6
test byte [ebp + 0x10], 2
je 0x5357e6
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.005322af
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x5357a4
call fcn.0051443f
cmp dword [eax], 0x83
je 0x5357e6
push dword [esi]
call fcn.0051f063
jmp 0x53569e
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0051aebe
add esp, 0xc
test eax, eax
jne 0x5357d6
cmp word [ebp - 0x2c], 0x1a
jne 0x5357d6
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00535dfd
add esp, 0xc
cmp eax, edi
je 0x535798
push ebx
push ebx
push dword [esi]
call fcn.005322af
add esp, 0xc
cmp eax, edi
je 0x535798
test byte [ebp - 1], 0x80
je 0x5358b6
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x53580e
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x53580b
or dword [ebp + 0x10], edi
jmp 0x53580e
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x53585b
cmp eax, 0x10000
je 0x535847
cmp eax, 0x14000
je 0x535847
cmp eax, 0x20000
je 0x535855
cmp eax, 0x24000
je 0x535855
cmp eax, 0x40000
je 0x535841
cmp eax, 0x44000
jne 0x53585e
mov byte [ebp - 2], 1
jmp 0x53585e
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x53585e
mov byte [ebp - 2], 2
jmp 0x53585e
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x5358b6
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x5358b6
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x535a10
cmp eax, 0x80000000
je 0x5359d7
cmp eax, ecx
jne 0x5358b6
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5358b6
cmp eax, 2
jbe 0x535ab8
cmp eax, 4
jbe 0x5359a9
cmp eax, 5
je 0x535ab8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x59f5a0]
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 + 0x59f5a0]
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 0x535928
test byte [ebp + 0x10], 8
je 0x535928
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x59f5a0]
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 0x535b37
test byte [ebp + 0x10], 1
je 0x535b37
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 0x535b20
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00514452
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x59f5a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0051e857
pop ecx
jmp 0x53569e
push 2
push ebx
push ebx
push dword [esi]
call fcn.0051e63e
add esp, 0x10
or eax, edx
je 0x535ab8
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0051e63e
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x535798
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0051aebe
add esp, 0xc
cmp eax, 0xffffffff
je 0x535798
cmp eax, 2
je 0x535a5c
cmp eax, 3
jne 0x535aaa
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x535a5c
mov byte [ebp - 2], 1
jmp 0x5358b6
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5358b6
cmp eax, 2
jbe 0x535ab8
cmp eax, 4
ja 0x5358ad
push 2
push ebx
push ebx
push dword [esi]
call fcn.0051e63e
add esp, 0x10
or eax, edx
je 0x535ab8
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0051e63e
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x5358b6
jmp 0x535798
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x535a84
push dword [esi]
call fcn.0051f063
pop ecx
call fcn.0051442c
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x535b39
cmp eax, 0xfeff
jne 0x535aaa
push ebx
push 2
push dword [esi]
call fcn.005322af
add esp, 0xc
cmp eax, 0xffffffff
je 0x535798
mov byte [ebp - 2], 2
jmp 0x5358b6
push ebx
push ebx
push dword [esi]
call fcn.005322af
add esp, 0xc
jmp 0x535a4e
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x535ad8
dec eax
jne 0x5358b6
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x535ae6
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.0051e481
add esp, 0xc
cmp eax, 0xffffffff
je 0x535b0c
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x535ae6
jmp 0x5358b6
push dword [esi]
call fcn.0051f063
pop ecx
call fcn.0051442c
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x535b39
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x59f5a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret