Function at 0x463f5d
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 0x463f8c
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x463f96
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0045cbb6
test eax, eax
pop ecx
je 0x463fb1
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00449dc1
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004491a7
test eax, eax
pop ecx
je 0x463fcc
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00449dc1
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x463fe9
test ecx, 0x74000
jne 0x463fe5
cmp dword [ebp - 0x24], eax
je 0x463fe9
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x464043
dec eax
je 0x46402d
dec eax
je 0x464028
call fcn.0044cc25
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0044cc12
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00449edf
add esp, 0x14
jmp 0x4645f5
mov dword [ebp - 8], edx
jmp 0x464046
test cl, 8
je 0x46403a
test ecx, 0x70000
jne 0x464028
mov dword [ebp - 8], 0x40000000
jmp 0x464046
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x464087
sub eax, ecx
je 0x46407e
sub eax, ecx
je 0x464075
sub eax, ecx
je 0x46406c
sub eax, 0x40
jne 0x464002
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x46408a
mov dword [ebp - 0x10], 3
jmp 0x46408a
mov dword [ebp - 0x10], 2
jmp 0x46408a
mov dword [ebp - 0x10], 1
jmp 0x46408a
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 0x4640dd
je 0x4640d4
cmp eax, ebx
je 0x4640d4
cmp eax, edi
je 0x4640cb
cmp eax, 0x200
je 0x464150
cmp eax, 0x300
jne 0x464002
mov dword [ebp - 0x14], 2
jmp 0x4640fa
mov dword [ebp - 0x14], 4
jmp 0x4640fa
mov dword [ebp - 0x14], 3
jmp 0x4640fa
cmp eax, 0x500
je 0x4640f3
cmp eax, 0x600
je 0x464150
cmp eax, edx
jne 0x464002
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x46411e
mov ecx, dword [0x48cdc0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x46411e
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x46413a
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x46413a
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x464143
or dword [ebp - 0xc], edi
test al, 0x20
je 0x464159
or dword [ebp - 0xc], 0x8000000
jmp 0x464164
mov dword [ebp - 0x14], 5
jmp 0x4640fa
test al, 0x10
je 0x464164
or dword [ebp - 0xc], 0x10000000
call fcn.004596be
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x46418a
call fcn.0044cc25
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0044cc12
mov dword [eax], 0x18
jmp 0x464218
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 0x464224
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4641f0
test byte [ebp + 0x10], 1
je 0x4641f0
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 0x464224
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x48dac0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0044cc38
pop ecx
call fcn.0044cc12
mov eax, dword [eax]
jmp 0x4646b1
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x464275
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x48dac0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0044cc38
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x464218
call fcn.0044cc12
mov dword [eax], 0xd
jmp 0x464218
cmp eax, 2
jne 0x464280
or byte [ebp - 1], 0x40
jmp 0x464289
cmp eax, 3
jne 0x464289
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0045948d
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x48dac0]
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 + 0x48dac0]
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 0x46435e
test cl, 0x80
je 0x46442e
test byte [ebp + 0x10], 2
je 0x46435e
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00455532
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x46431d
call fcn.0044cc25
cmp dword [eax], 0x83
je 0x46435e
push dword [esi]
call fcn.00453f90
jmp 0x464217
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00454592
add esp, 0xc
test eax, eax
jne 0x46434e
cmp byte [ebp - 4], 0x1a
jne 0x46434e
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0045c946
add esp, 0xc
cmp eax, edi
je 0x464311
push ebx
push ebx
push dword [esi]
call fcn.00455532
add esp, 0xc
cmp eax, edi
je 0x464311
test byte [ebp - 1], 0x80
je 0x46442e
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x464386
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x464383
or dword [ebp + 0x10], edi
jmp 0x464386
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4643d3
cmp eax, 0x10000
je 0x4643bf
cmp eax, 0x14000
je 0x4643bf
cmp eax, 0x20000
je 0x4643cd
cmp eax, 0x24000
je 0x4643cd
cmp eax, 0x40000
je 0x4643b9
cmp eax, 0x44000
jne 0x4643d6
mov byte [ebp - 2], 1
jmp 0x4643d6
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4643d6
mov byte [ebp - 2], 2
jmp 0x4643d6
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x46442e
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x46442e
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x464588
cmp eax, 0x80000000
je 0x46454f
cmp eax, ecx
jne 0x46442e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x46442e
cmp eax, 2
jbe 0x464630
cmp eax, 4
jbe 0x464521
cmp eax, 5
je 0x464630
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x48dac0]
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 + 0x48dac0]
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 0x4644a0
test byte [ebp + 0x10], 8
je 0x4644a0
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x48dac0]
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 0x4646af
test byte [ebp + 0x10], 1
je 0x4646af
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 0x464698
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0044cc38
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x48dac0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0045950a
pop ecx
jmp 0x464217
push 2
push ebx
push ebx
push dword [esi]
call fcn.00458837
add esp, 0x10
or eax, edx
je 0x464630
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00458837
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x464311
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00454592
add esp, 0xc
cmp eax, 0xffffffff
je 0x464311
cmp eax, 2
je 0x4645d4
cmp eax, 3
jne 0x464622
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4645d4
mov byte [ebp - 2], 1
jmp 0x46442e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x46442e
cmp eax, 2
jbe 0x464630
cmp eax, 4
ja 0x464425
push 2
push ebx
push ebx
push dword [esi]
call fcn.00458837
add esp, 0x10
or eax, edx
je 0x464630
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00458837
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x46442e
jmp 0x464311
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4645fc
push dword [esi]
call fcn.00453f90
pop ecx
call fcn.0044cc12
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4646b1
cmp eax, 0xfeff
jne 0x464622
push ebx
push 2
push dword [esi]
call fcn.00455532
add esp, 0xc
cmp eax, 0xffffffff
je 0x464311
mov byte [ebp - 2], 2
jmp 0x46442e
push ebx
push ebx
push dword [esi]
call fcn.00455532
add esp, 0xc
jmp 0x4645c6
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x464650
dec eax
jne 0x46442e
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x46465e
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.00455216
add esp, 0xc
cmp eax, 0xffffffff
je 0x464684
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x46465e
jmp 0x46442e
push dword [esi]
call fcn.00453f90
pop ecx
call fcn.0044cc12
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4646b1
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x48dac0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret