Function at 0x481a57
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 0x481a86
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x481a90
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048375a
test eax, eax
pop ecx
je 0x481aab
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00471250
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00471f29
test eax, eax
pop ecx
je 0x481ac6
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00471250
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x481ae3
test ecx, 0x74000
jne 0x481adf
cmp dword [ebp - 0x24], eax
je 0x481ae3
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SHChangeNotifyRegister
je 0x481b3d
dec eax
je 0x481b27
dec eax
je 0x481b22
call fcn.004733e5
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004733d2
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0047134c
add esp, 0x14
jmp 0x4820ef
mov dword [ebp - 8], edx
jmp 0x481b40
test cl, 8
je 0x481b34
test ecx, 0x70000
jne 0x481b22
mov dword [ebp - 8], 0x40000000
jmp 0x481b40
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x481b81
sub eax, ecx
je 0x481b78
sub eax, ecx
je 0x481b6f
sub eax, ecx
je 0x481b66
sub eax, 0x40
jne 0x481afc
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x481b84
mov dword [ebp - 0x10], 3
jmp 0x481b84
mov dword [ebp - 0x10], 2
jmp 0x481b84
mov dword [ebp - 0x10], 1
jmp 0x481b84
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 0x481bd7
je 0x481bce
cmp eax, ebx
je 0x481bce
cmp eax, edi
je 0x481bc5
cmp eax, 0x200
je 0x481c4a
cmp eax, 0x300
jne 0x481afc
mov dword [ebp - 0x14], 2
jmp 0x481bf4
mov dword [ebp - 0x14], 4
jmp 0x481bf4
mov dword [ebp - 0x14], 3
jmp 0x481bf4
cmp eax, 0x500
je 0x481bed
cmp eax, 0x600
je 0x481c4a
cmp eax, edx
jne 0x481afc
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x481c18
mov ecx, dword [0x4e9860]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x481c18
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x481c34
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x481c34
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x481c3d
or dword [ebp - 0xc], edi
test al, 0x20
je 0x481c53
or dword [ebp - 0xc], 0x8000000
jmp 0x481c5e
mov dword [ebp - 0x14], 5
jmp 0x481bf4
test al, 0x10
je 0x481c5e
or dword [ebp - 0xc], 0x10000000
call fcn.004818b8
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x481c84
call fcn.004733e5
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004733d2
mov dword [eax], 0x18
jmp 0x481d12
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 0x481d1e
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x481cea
test byte [ebp + 0x10], 1
je 0x481cea
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 0x481d1e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4ea500]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004733f8
pop ecx
call fcn.004733d2
mov eax, dword [eax]
jmp 0x4821ab
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x481d6f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4ea500]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004733f8
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x481d12
call fcn.004733d2
mov dword [eax], 0xd
jmp 0x481d12
cmp eax, 2
jne 0x481d7a
or byte [ebp - 1], 0x40
jmp 0x481d83
cmp eax, 3
jne 0x481d83
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00481687
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4ea500]
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 + 0x4ea500]
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 0x481e58
test cl, 0x80
je 0x481f28
test byte [ebp + 0x10], 2
je 0x481e58
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0047d813
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x481e17
call fcn.004733e5
cmp dword [eax], 0x83
je 0x481e58
push dword [esi]
call fcn.004784c3
jmp 0x481d11
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0047d885
add esp, 0xc
test eax, eax
jne 0x481e48
cmp byte [ebp - 4], 0x1a
jne 0x481e48
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004834ea
add esp, 0xc
cmp eax, edi
je 0x481e0b
push ebx
push ebx
push dword [esi]
call fcn.0047d813
add esp, 0xc
cmp eax, edi
je 0x481e0b
test byte [ebp - 1], 0x80
je 0x481f28
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x481e80
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x481e7d
or dword [ebp + 0x10], edi
jmp 0x481e80
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x481ecd
cmp eax, 0x10000
je 0x481eb9
cmp eax, 0x14000
je 0x481eb9
cmp eax, 0x20000
je 0x481ec7
cmp eax, 0x24000
je 0x481ec7
cmp eax, 0x40000
je 0x481eb3
cmp eax, 0x44000
jne 0x481ed0
mov byte [ebp - 2], 1
jmp 0x481ed0
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x481ed0
mov byte [ebp - 2], 2
jmp 0x481ed0
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x481f28
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x481f28
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x482082
cmp eax, 0x80000000
je 0x482049
cmp eax, ecx
jne 0x481f28
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x481f28
cmp eax, 2
jbe 0x48212a
cmp eax, 4
jbe 0x48201b
cmp eax, 5
je 0x48212a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ea500]
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 + 0x4ea500]
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 0x481f9a
test byte [ebp + 0x10], 8
je 0x481f9a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ea500]
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 0x4821a9
test byte [ebp + 0x10], 1
je 0x4821a9
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 0x482192
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004733f8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ea500]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00481704
pop ecx
jmp 0x481d11
push 2
push ebx
push ebx
push dword [esi]
call fcn.00482357
add esp, 0x10
or eax, edx
je 0x48212a
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00482357
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x481e0b
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0047d885
add esp, 0xc
cmp eax, 0xffffffff
je 0x481e0b
cmp eax, 2
je 0x4820ce
cmp eax, 3
jne 0x48211c
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4820ce
mov byte [ebp - 2], 1
jmp 0x481f28
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x481f28
cmp eax, 2
jbe 0x48212a
cmp eax, 4
ja 0x481f1f
push 2
push ebx
push ebx
push dword [esi]
call fcn.00482357
add esp, 0x10
or eax, edx
je 0x48212a
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00482357
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x481f28
jmp 0x481e0b
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4820f6
push dword [esi]
call fcn.004784c3
pop ecx
call fcn.004733d2
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4821ab
cmp eax, 0xfeff
jne 0x48211c
push ebx
push 2
push dword [esi]
call fcn.0047d813
add esp, 0xc
cmp eax, 0xffffffff
je 0x481e0b
mov byte [ebp - 2], 2
jmp 0x481f28
push ebx
push ebx
push dword [esi]
call fcn.0047d813
add esp, 0xc
jmp 0x4820c0
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x48214a
dec eax
jne 0x481f28
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x482158
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.0047f3fc
add esp, 0xc
cmp eax, 0xffffffff
je 0x48217e
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x482158
jmp 0x481f28
push dword [esi]
call fcn.004784c3
pop ecx
call fcn.004733d2
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4821ab
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ea500]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret