Function at 0x463250
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 0x46327f
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x463289
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00453658
test eax, eax
pop ecx
je 0x4632a4
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00455e41
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0044fab6
test eax, eax
pop ecx
je 0x4632bf
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00455e41
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4632dc
test ecx, 0x74000
jne 0x4632d8
cmp dword [ebp - 0x24], eax
je 0x4632dc
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x463336
dec eax
je 0x463320
dec eax
je 0x46331b
call fcn.00455faf
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00455f9c
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00455f3d
add esp, 0x14
jmp 0x4638e9
mov dword [ebp - 8], edx
jmp 0x463339
test cl, 8
je 0x46332d
test ecx, 0x70000
jne 0x46331b
mov dword [ebp - 8], 0x40000000
jmp 0x463339
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x46337a
sub eax, ecx
je 0x463371
sub eax, ecx
je 0x463368
sub eax, ecx
je 0x46335f
sub eax, 0x40
jne 0x4632f5
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x46337d
mov dword [ebp - 0x10], 3
jmp 0x46337d
mov dword [ebp - 0x10], 2
jmp 0x46337d
mov dword [ebp - 0x10], 1
jmp 0x46337d
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, pe_nt_image_headers32
jg 0x4633d0
je 0x4633c7
cmp eax, ebx
je 0x4633c7
cmp eax, edi
je 0x4633be
cmp eax, 0x200
je 0x463443
cmp eax, 0x300
jne 0x4632f5
mov dword [ebp - 0x14], 2
jmp 0x4633ed
mov dword [ebp - 0x14], 4
jmp 0x4633ed
mov dword [ebp - 0x14], 3
jmp 0x4633ed
cmp eax, 0x500
je 0x4633e6
cmp eax, 0x600
je 0x463443
cmp eax, edx
jne 0x4632f5
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x463411
mov ecx, dword [0x4789d8]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x463411
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x46342d
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x46342d
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x463436
or dword [ebp - 0xc], edi
test al, 0x20
je 0x46344c
or dword [ebp - 0xc], 0x8000000
jmp 0x463457
mov dword [ebp - 0x14], 5
jmp 0x4633ed
test al, 0x10
je 0x463457
or dword [ebp - 0xc], 0x10000000
call fcn.0045c63e
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x46347d
call fcn.00455faf
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00455f9c
mov dword [eax], 0x18
jmp 0x46350b
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 0x463517
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4634e3
test byte [ebp + 0x10], 1
je 0x4634e3
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 0x463517
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x48b980]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.00455fc2
pop ecx
call fcn.00455f9c
mov eax, dword [eax]
jmp 0x4639a5
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_GetFileType]
cmp eax, ebx
jne 0x463568
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x48b980]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
mov esi, eax
push esi
call fcn.00455fc2
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
cmp esi, ebx
jne 0x46350b
call fcn.00455f9c
mov dword [eax], 0xd
jmp 0x46350b
cmp eax, 2
jne 0x463573
or byte [ebp - 1], 0x40
jmp 0x46357c
cmp eax, 3
jne 0x46357c
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0045c40d
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x48b980]
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 + 0x48b980]
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 0x463652
test cl, 0x80
je 0x463722
test byte [ebp + 0x10], 2
je 0x463652
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0045aaf3
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x463610
call fcn.00455faf
cmp dword [eax], 0x83
je 0x463652
push dword [esi]
call fcn.0045b609
jmp 0x46350a
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0045b8b6
add esp, 0xc
test eax, eax
jne 0x463642
cmp word [ebp - 0x2c], 0x1a
jne 0x463642
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00464b75
add esp, 0xc
cmp eax, edi
je 0x463604
push ebx
push ebx
push dword [esi]
call fcn.0045aaf3
add esp, 0xc
cmp eax, edi
je 0x463604
test byte [ebp - 1], 0x80
je 0x463722
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x46367a
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x463677
or dword [ebp + 0x10], edi
jmp 0x46367a
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4636c7
cmp eax, 0x10000
je 0x4636b3
cmp eax, 0x14000
je 0x4636b3
cmp eax, 0x20000
je 0x4636c1
cmp eax, 0x24000
je 0x4636c1
cmp eax, 0x40000
je 0x4636ad
cmp eax, 0x44000
jne 0x4636ca
mov byte [ebp - 2], 1
jmp 0x4636ca
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4636ca
mov byte [ebp - 2], 2
jmp 0x4636ca
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x463722
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x463722
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x46387c
cmp eax, 0x80000000
je 0x463843
cmp eax, ecx
jne 0x463722
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x463722
cmp eax, 2
jbe 0x463924
cmp eax, 4
jbe 0x463815
cmp eax, 5
je 0x463924
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x48b980]
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 + 0x48b980]
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 0x463794
test byte [ebp + 0x10], 8
je 0x463794
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x48b980]
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 0x4639a3
test byte [ebp + 0x10], 1
je 0x4639a3
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 0x46398c
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.00455fc2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x48b980]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0045c48a
pop ecx
jmp 0x46350a
push 2
push ebx
push ebx
push dword [esi]
call fcn.00461d56
add esp, 0x10
or eax, edx
je 0x463924
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00461d56
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x463604
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0045b8b6
add esp, 0xc
cmp eax, 0xffffffff
je 0x463604
cmp eax, 2
je 0x4638c8
cmp eax, 3
jne 0x463916
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4638c8
mov byte [ebp - 2], 1
jmp 0x463722
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x463722
cmp eax, 2
jbe 0x463924
cmp eax, 4
ja 0x463719
push 2
push ebx
push ebx
push dword [esi]
call fcn.00461d56
add esp, 0x10
or eax, edx
je 0x463924
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00461d56
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x463722
jmp 0x463604
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4638f0
push dword [esi]
call fcn.0045b609
pop ecx
call fcn.00455f9c
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4639a5
cmp eax, 0xfeff
jne 0x463916
push ebx
push 2
push dword [esi]
call fcn.0045aaf3
add esp, 0xc
cmp eax, 0xffffffff
je 0x463604
mov byte [ebp - 2], 2
jmp 0x463722
push ebx
push ebx
push dword [esi]
call fcn.0045aaf3
add esp, 0xc
jmp 0x4638ba
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x463944
dec eax
jne 0x463722
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x463952
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.0045b52d
add esp, 0xc
cmp eax, 0xffffffff
je 0x463978
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x463952
jmp 0x463722
push dword [esi]
call fcn.0045b609
pop ecx
call fcn.00455f9c
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4639a5
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x48b980]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret