Function at 0x48bb5d
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 0x48bb8c
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x48bb96
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048e319
test eax, eax
pop ecx
je 0x48bbb1
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004780e1
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047a1e5
test eax, eax
pop ecx
je 0x48bbcc
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004780e1
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x48bbe9
test ecx, 0x74000
jne 0x48bbe5
cmp dword [ebp - 0x24], eax
je 0x48bbe9
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x48bc43
dec eax
je 0x48bc2d
dec eax
je 0x48bc28
call fcn.0047c2c9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0047c2b6
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004781dd
add esp, 0x14
jmp 0x48c1f6
mov dword [ebp - 8], edx
jmp 0x48bc46
test cl, 8
je 0x48bc3a
test ecx, 0x70000
jne 0x48bc28
mov dword [ebp - 8], 0x40000000
jmp 0x48bc46
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x48bc87
sub eax, ecx
je 0x48bc7e
sub eax, ecx
je 0x48bc75
sub eax, ecx
je 0x48bc6c
sub eax, 0x40
jne 0x48bc02
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x48bc8a
mov dword [ebp - 0x10], 3
jmp 0x48bc8a
mov dword [ebp - 0x10], 2
jmp 0x48bc8a
mov dword [ebp - 0x10], 1
jmp 0x48bc8a
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 0x48bcdd
je 0x48bcd4
cmp eax, ebx
je 0x48bcd4
cmp eax, edi
je 0x48bccb
cmp eax, 0x200
je 0x48bd50
cmp eax, 0x300
jne 0x48bc02
mov dword [ebp - 0x14], 2
jmp 0x48bcfa
mov dword [ebp - 0x14], 4
jmp 0x48bcfa
mov dword [ebp - 0x14], 3
jmp 0x48bcfa
cmp eax, 0x500
je 0x48bcf3
cmp eax, 0x600
je 0x48bd50
cmp eax, edx
jne 0x48bc02
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x48bd1e
mov ecx, dword [0x4e4cb8]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x48bd1e
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48bd3a
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48bd3a
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48bd43
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48bd59
or dword [ebp - 0xc], 0x8000000
jmp 0x48bd64
mov dword [ebp - 0x14], 5
jmp 0x48bcfa
test al, 0x10
je 0x48bd64
or dword [ebp - 0xc], 0x10000000
call fcn.00483fa3
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48bd8a
call fcn.0047c2c9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0047c2b6
mov dword [eax], 0x18
jmp 0x48be18
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 0x48be24
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48bdf0
test byte [ebp + 0x10], 1
je 0x48bdf0
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 0x48be24
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4eb840]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047c2dc
pop ecx
call fcn.0047c2b6
mov eax, dword [eax]
jmp 0x48c2b2
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x48be75
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4eb840]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0047c2dc
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x48be18
call fcn.0047c2b6
mov dword [eax], 0xd
jmp 0x48be18
cmp eax, 2
jne 0x48be80
or byte [ebp - 1], 0x40
jmp 0x48be89
cmp eax, 3
jne 0x48be89
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00483d72
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4eb840]
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 + 0x4eb840]
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 0x48bf5f
test cl, 0x80
je 0x48c02f
test byte [ebp + 0x10], 2
je 0x48bf5f
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00484142
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x48bf1d
call fcn.0047c2c9
cmp dword [eax], 0x83
je 0x48bf5f
push dword [esi]
call fcn.00483a5e
jmp 0x48be17
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004867ff
add esp, 0xc
test eax, eax
jne 0x48bf4f
cmp word [ebp - 0x2c], 0x1a
jne 0x48bf4f
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048e0a9
add esp, 0xc
cmp eax, edi
je 0x48bf11
push ebx
push ebx
push dword [esi]
call fcn.00484142
add esp, 0xc
cmp eax, edi
je 0x48bf11
test byte [ebp - 1], 0x80
je 0x48c02f
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x48bf87
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x48bf84
or dword [ebp + 0x10], edi
jmp 0x48bf87
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x48bfd4
cmp eax, 0x10000
je 0x48bfc0
cmp eax, 0x14000
je 0x48bfc0
cmp eax, 0x20000
je 0x48bfce
cmp eax, 0x24000
je 0x48bfce
cmp eax, 0x40000
je 0x48bfba
cmp eax, 0x44000
jne 0x48bfd7
mov byte [ebp - 2], 1
jmp 0x48bfd7
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x48bfd7
mov byte [ebp - 2], 2
jmp 0x48bfd7
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x48c02f
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x48c02f
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x48c189
cmp eax, 0x80000000
je 0x48c150
cmp eax, ecx
jne 0x48c02f
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48c02f
cmp eax, 2
jbe 0x48c231
cmp eax, 4
jbe 0x48c122
cmp eax, 5
je 0x48c231
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4eb840]
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 + 0x4eb840]
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 0x48c0a1
test byte [ebp + 0x10], 8
je 0x48c0a1
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4eb840]
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 0x48c2b0
test byte [ebp + 0x10], 1
je 0x48c2b0
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 0x48c299
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047c2dc
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4eb840]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00483def
pop ecx
jmp 0x48be17
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048b571
add esp, 0x10
or eax, edx
je 0x48c231
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048b571
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48bf11
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004867ff
add esp, 0xc
cmp eax, 0xffffffff
je 0x48bf11
cmp eax, 2
je 0x48c1d5
cmp eax, 3
jne 0x48c223
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x48c1d5
mov byte [ebp - 2], 1
jmp 0x48c02f
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48c02f
cmp eax, 2
jbe 0x48c231
cmp eax, 4
ja 0x48c026
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048b571
add esp, 0x10
or eax, edx
je 0x48c231
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048b571
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x48c02f
jmp 0x48bf11
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x48c1fd
push dword [esi]
call fcn.00483a5e
pop ecx
call fcn.0047c2b6
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x48c2b2
cmp eax, 0xfeff
jne 0x48c223
push ebx
push 2
push dword [esi]
call fcn.00484142
add esp, 0xc
cmp eax, 0xffffffff
je 0x48bf11
mov byte [ebp - 2], 2
jmp 0x48c02f
push ebx
push ebx
push dword [esi]
call fcn.00484142
add esp, 0xc
jmp 0x48c1c7
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x48c251
dec eax
jne 0x48c02f
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48c25f
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.00487483
add esp, 0xc
cmp eax, 0xffffffff
je 0x48c285
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48c25f
jmp 0x48c02f
push dword [esi]
call fcn.00483a5e
pop ecx
call fcn.0047c2b6
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x48c2b2
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4eb840]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret