Function at 0x4cae27
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 0x4cae56
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4cae60
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004b8a42
test eax, eax
pop ecx
je 0x4cae7b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004b3a43
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004ba3b5
test eax, eax
pop ecx
je 0x4cae96
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004b3a43
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4caeb3
test ecx, 0x74000
jne 0x4caeaf
cmp dword [ebp - 0x24], eax
je 0x4caeb3
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x4caf0d
dec eax
je 0x4caef7
dec eax
je 0x4caef2
call fcn.004b2340
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004b232d
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004b3b3f
add esp, 0x14
jmp 0x4cb4bf
mov dword [ebp - 8], edx
jmp 0x4caf10
test cl, 8
je 0x4caf04
test ecx, 0x70000
jne 0x4caef2
mov dword [ebp - 8], 0x40000000
jmp 0x4caf10
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4caf51
sub eax, ecx
je 0x4caf48
sub eax, ecx
je 0x4caf3f
sub eax, ecx
je 0x4caf36
sub eax, 0x40
jne 0x4caecc
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4caf54
mov dword [ebp - 0x10], 3
jmp 0x4caf54
mov dword [ebp - 0x10], 2
jmp 0x4caf54
mov dword [ebp - 0x10], 1
jmp 0x4caf54
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 0x4cafa7
je 0x4caf9e
cmp eax, ebx
je 0x4caf9e
cmp eax, edi
je 0x4caf95
cmp eax, 0x200
je 0x4cb01a
cmp eax, 0x300
jne 0x4caecc
mov dword [ebp - 0x14], 2
jmp 0x4cafc4
mov dword [ebp - 0x14], 4
jmp 0x4cafc4
mov dword [ebp - 0x14], 3
jmp 0x4cafc4
cmp eax, 0x500
je 0x4cafbd
cmp eax, 0x600
je 0x4cb01a
cmp eax, edx
jne 0x4caecc
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4cafe8
mov ecx, dword [0x64c8e0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4cafe8
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4cb004
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4cb004
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4cb00d
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4cb023
or dword [ebp - 0xc], 0x8000000
jmp 0x4cb02e
mov dword [ebp - 0x14], 5
jmp 0x4cafc4
test al, 0x10
je 0x4cb02e
or dword [ebp - 0xc], 0x10000000
call fcn.004c4173
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4cb054
call fcn.004b2340
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004b232d
mov dword [eax], 0x18
jmp 0x4cb0e2
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 0x4cb0ee
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4cb0ba
test byte [ebp + 0x10], 1
je 0x4cb0ba
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 0x4cb0ee
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x64d720]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004b2353
pop ecx
call fcn.004b232d
mov eax, dword [eax]
jmp 0x4cb57b
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4cb13f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x64d720]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004b2353
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4cb0e2
call fcn.004b232d
mov dword [eax], 0xd
jmp 0x4cb0e2
cmp eax, 2
jne 0x4cb14a
or byte [ebp - 1], 0x40
jmp 0x4cb153
cmp eax, 3
jne 0x4cb153
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004c3f42
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x64d720]
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 + 0x64d720]
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 0x4cb228
test cl, 0x80
je 0x4cb2f8
test byte [ebp + 0x10], 2
je 0x4cb228
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004c7f34
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4cb1e7
call fcn.004b2340
cmp dword [eax], 0x83
je 0x4cb228
push dword [esi]
call fcn.004c0e32
jmp 0x4cb0e1
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004c7876
add esp, 0xc
test eax, eax
jne 0x4cb218
cmp byte [ebp - 4], 0x1a
jne 0x4cb218
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004ce124
add esp, 0xc
cmp eax, edi
je 0x4cb1db
push ebx
push ebx
push dword [esi]
call fcn.004c7f34
add esp, 0xc
cmp eax, edi
je 0x4cb1db
test byte [ebp - 1], 0x80
je 0x4cb2f8
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4cb250
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4cb24d
or dword [ebp + 0x10], edi
jmp 0x4cb250
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4cb29d
cmp eax, 0x10000
je 0x4cb289
cmp eax, 0x14000
je 0x4cb289
cmp eax, 0x20000
je 0x4cb297
cmp eax, 0x24000
je 0x4cb297
cmp eax, 0x40000
je 0x4cb283
cmp eax, 0x44000
jne 0x4cb2a0
mov byte [ebp - 2], 1
jmp 0x4cb2a0
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4cb2a0
mov byte [ebp - 2], 2
jmp 0x4cb2a0
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4cb2f8
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4cb2f8
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4cb452
cmp eax, 0x80000000
je 0x4cb419
cmp eax, ecx
jne 0x4cb2f8
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4cb2f8
cmp eax, 2
jbe 0x4cb4fa
cmp eax, 4
jbe 0x4cb3eb
cmp eax, 5
je 0x4cb4fa
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x64d720]
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 + 0x64d720]
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 0x4cb36a
test byte [ebp + 0x10], 8
je 0x4cb36a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x64d720]
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 0x4cb579
test byte [ebp + 0x10], 1
je 0x4cb579
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 0x4cb562
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004b2353
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x64d720]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004c3fbf
pop ecx
jmp 0x4cb0e1
push 2
push ebx
push ebx
push dword [esi]
call fcn.004b4aa8
add esp, 0x10
or eax, edx
je 0x4cb4fa
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004b4aa8
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4cb1db
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004c7876
add esp, 0xc
cmp eax, 0xffffffff
je 0x4cb1db
cmp eax, 2
je 0x4cb49e
cmp eax, 3
jne 0x4cb4ec
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4cb49e
mov byte [ebp - 2], 1
jmp 0x4cb2f8
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4cb2f8
cmp eax, 2
jbe 0x4cb4fa
cmp eax, 4
ja 0x4cb2ef
push 2
push ebx
push ebx
push dword [esi]
call fcn.004b4aa8
add esp, 0x10
or eax, edx
je 0x4cb4fa
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004b4aa8
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4cb2f8
jmp 0x4cb1db
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4cb4c6
push dword [esi]
call fcn.004c0e32
pop ecx
call fcn.004b232d
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4cb57b
cmp eax, 0xfeff
jne 0x4cb4ec
push ebx
push 2
push dword [esi]
call fcn.004c7f34
add esp, 0xc
cmp eax, 0xffffffff
je 0x4cb1db
mov byte [ebp - 2], 2
jmp 0x4cb2f8
push ebx
push ebx
push dword [esi]
call fcn.004c7f34
add esp, 0xc
jmp 0x4cb490
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4cb51a
dec eax
jne 0x4cb2f8
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4cb528
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.004c8648
add esp, 0xc
cmp eax, 0xffffffff
je 0x4cb54e
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4cb528
jmp 0x4cb2f8
push dword [esi]
call fcn.004c0e32
pop ecx
call fcn.004b232d
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4cb57b
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x64d720]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret