Function at 0x48e164
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 0x48e193
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x48e19d
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048b84e
test eax, eax
pop ecx
je 0x48e1b8
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00477d2f
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047bec9
test eax, eax
pop ecx
je 0x48e1d3
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00477d2f
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x48e1f0
test ecx, 0x74000
jne 0x48e1ec
cmp dword [ebp - 0x24], eax
je 0x48e1f0
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x48e24a
dec eax
je 0x48e234
dec eax
je 0x48e22f
call fcn.00480a30
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00480a1d
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00477e2b
add esp, 0x14
jmp 0x48e7fd
mov dword [ebp - 8], edx
jmp 0x48e24d
test cl, 8
je 0x48e241
test ecx, 0x70000
jne 0x48e22f
mov dword [ebp - 8], 0x40000000
jmp 0x48e24d
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x48e28e
sub eax, ecx
je 0x48e285
sub eax, ecx
je 0x48e27c
sub eax, ecx
je 0x48e273
sub eax, 0x40
jne 0x48e209
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x48e291
mov dword [ebp - 0x10], 3
jmp 0x48e291
mov dword [ebp - 0x10], 2
jmp 0x48e291
mov dword [ebp - 0x10], 1
jmp 0x48e291
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 0x48e2e4
je 0x48e2db
cmp eax, ebx
je 0x48e2db
cmp eax, edi
je 0x48e2d2
cmp eax, 0x200
je 0x48e357
cmp eax, 0x300
jne 0x48e209
mov dword [ebp - 0x14], 2
jmp 0x48e301
mov dword [ebp - 0x14], 4
jmp 0x48e301
mov dword [ebp - 0x14], 3
jmp 0x48e301
cmp eax, 0x500
je 0x48e2fa
cmp eax, 0x600
je 0x48e357
cmp eax, edx
jne 0x48e209
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x48e325
mov ecx, dword [0x4da298]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x48e325
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48e341
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48e341
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48e34a
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48e360
or dword [ebp - 0xc], 0x8000000
jmp 0x48e36b
mov dword [ebp - 0x14], 5
jmp 0x48e301
test al, 0x10
je 0x48e36b
or dword [ebp - 0xc], 0x10000000
call fcn.0047cbaf
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48e391
call fcn.00480a30
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00480a1d
mov dword [eax], 0x18
jmp 0x48e41f
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 0x48e42b
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48e3f7
test byte [ebp + 0x10], 1
je 0x48e3f7
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 0x48e42b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4db700]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00480a43
pop ecx
call fcn.00480a1d
mov eax, dword [eax]
jmp 0x48e8b9
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x48e47c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4db700]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00480a43
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x48e41f
call fcn.00480a1d
mov dword [eax], 0xd
jmp 0x48e41f
cmp eax, 2
jne 0x48e487
or byte [ebp - 1], 0x40
jmp 0x48e490
cmp eax, 3
jne 0x48e490
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047c97e
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4db700]
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 + 0x4db700]
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 0x48e566
test cl, 0x80
je 0x48e636
test byte [ebp + 0x10], 2
je 0x48e566
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00483036
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x48e524
call fcn.00480a30
cmp dword [eax], 0x83
je 0x48e566
push dword [esi]
call fcn.00483784
jmp 0x48e41e
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0048239c
add esp, 0xc
test eax, eax
jne 0x48e556
cmp word [ebp - 0x2c], 0x1a
jne 0x48e556
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0047c229
add esp, 0xc
cmp eax, edi
je 0x48e518
push ebx
push ebx
push dword [esi]
call fcn.00483036
add esp, 0xc
cmp eax, edi
je 0x48e518
test byte [ebp - 1], 0x80
je 0x48e636
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x48e58e
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x48e58b
or dword [ebp + 0x10], edi
jmp 0x48e58e
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x48e5db
cmp eax, 0x10000
je 0x48e5c7
cmp eax, 0x14000
je 0x48e5c7
cmp eax, 0x20000
je 0x48e5d5
cmp eax, 0x24000
je 0x48e5d5
cmp eax, 0x40000
je 0x48e5c1
cmp eax, 0x44000
jne 0x48e5de
mov byte [ebp - 2], 1
jmp 0x48e5de
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x48e5de
mov byte [ebp - 2], 2
jmp 0x48e5de
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x48e636
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x48e636
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x48e790
cmp eax, 0x80000000
je 0x48e757
cmp eax, ecx
jne 0x48e636
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48e636
cmp eax, 2
jbe 0x48e838
cmp eax, 4
jbe 0x48e729
cmp eax, 5
je 0x48e838
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
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 + 0x4db700]
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 0x48e6a8
test byte [ebp + 0x10], 8
je 0x48e6a8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
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 0x48e8b7
test byte [ebp + 0x10], 1
je 0x48e8b7
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 0x48e8a0
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00480a43
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047c9fb
pop ecx
jmp 0x48e41e
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048b882
add esp, 0x10
or eax, edx
je 0x48e838
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048b882
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48e518
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0048239c
add esp, 0xc
cmp eax, 0xffffffff
je 0x48e518
cmp eax, 2
je 0x48e7dc
cmp eax, 3
jne 0x48e82a
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x48e7dc
mov byte [ebp - 2], 1
jmp 0x48e636
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48e636
cmp eax, 2
jbe 0x48e838
cmp eax, 4
ja 0x48e62d
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048b882
add esp, 0x10
or eax, edx
je 0x48e838
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048b882
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x48e636
jmp 0x48e518
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x48e804
push dword [esi]
call fcn.00483784
pop ecx
call fcn.00480a1d
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x48e8b9
cmp eax, 0xfeff
jne 0x48e82a
push ebx
push 2
push dword [esi]
call fcn.00483036
add esp, 0xc
cmp eax, 0xffffffff
je 0x48e518
mov byte [ebp - 2], 2
jmp 0x48e636
push ebx
push ebx
push dword [esi]
call fcn.00483036
add esp, 0xc
jmp 0x48e7ce
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x48e858
dec eax
jne 0x48e636
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48e866
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.0048b6b6
add esp, 0xc
cmp eax, 0xffffffff
je 0x48e88c
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48e866
jmp 0x48e636
push dword [esi]
call fcn.00483784
pop ecx
call fcn.00480a1d
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x48e8b9
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret