Function at 0x424565
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 0x424594
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x42459e
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00425d3a
test eax, eax
pop ecx
je 0x4245b9
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0041725e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0041a9f5
test eax, eax
pop ecx
je 0x4245d4
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0041725e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4245f1
test ecx, 0x74000
jne 0x4245ed
cmp dword [ebp - 0x24], eax
je 0x4245f1
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x42464b
dec eax
je 0x424635
dec eax
je 0x424630
call fcn.00418bf1
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00418bde
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0041735a
add esp, 0x14
jmp 0x424bfd
mov dword [ebp - 8], edx
jmp 0x42464e
test cl, 8
je 0x424642
test ecx, 0x70000
jne 0x424630
mov dword [ebp - 8], 0x40000000
jmp 0x42464e
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x42468f
sub eax, ecx
je 0x424686
sub eax, ecx
je 0x42467d
sub eax, ecx
je 0x424674
sub eax, 0x40
jne 0x42460a
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x424692
mov dword [ebp - 0x10], 3
jmp 0x424692
mov dword [ebp - 0x10], 2
jmp 0x424692
mov dword [ebp - 0x10], 1
jmp 0x424692
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 0x4246e5
je 0x4246dc
cmp eax, ebx
je 0x4246dc
cmp eax, edi
je 0x4246d3
cmp eax, 0x200
je 0x424758
cmp eax, 0x300
jne 0x42460a
mov dword [ebp - 0x14], 2
jmp 0x424702
mov dword [ebp - 0x14], 4
jmp 0x424702
mov dword [ebp - 0x14], 3
jmp 0x424702
cmp eax, 0x500
je 0x4246fb
cmp eax, 0x600
je 0x424758
cmp eax, edx
jne 0x42460a
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x424726
mov ecx, dword [0x46312c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x424726
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x424742
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x424742
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x42474b
or dword [ebp - 0xc], edi
test al, 0x20
je 0x424761
or dword [ebp - 0xc], 0x8000000
jmp 0x42476c
mov dword [ebp - 0x14], 5
jmp 0x424702
test al, 0x10
je 0x42476c
or dword [ebp - 0xc], 0x10000000
call fcn.00424246
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x424792
call fcn.00418bf1
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00418bde
mov dword [eax], 0x18
jmp 0x424820
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 0x42482c
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4247f8
test byte [ebp + 0x10], 1
je 0x4247f8
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 0x42482c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x463c60]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00418c04
pop ecx
call fcn.00418bde
mov eax, dword [eax]
jmp 0x424cb9
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x42487d
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x463c60]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00418c04
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x424820
call fcn.00418bde
mov dword [eax], 0xd
jmp 0x424820
cmp eax, 2
jne 0x424888
or byte [ebp - 1], 0x40
jmp 0x424891
cmp eax, 3
jne 0x424891
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00424015
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x463c60]
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 + 0x463c60]
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 0x424966
test cl, 0x80
je 0x424a36
test byte [ebp + 0x10], 2
je 0x424966
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00421563
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x424925
call fcn.00418bf1
cmp dword [eax], 0x83
je 0x424966
push dword [esi]
call fcn.0041ede0
jmp 0x42481f
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0041f3e2
add esp, 0xc
test eax, eax
jne 0x424956
cmp byte [ebp - 4], 0x1a
jne 0x424956
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00425aca
add esp, 0xc
cmp eax, edi
je 0x424919
push ebx
push ebx
push dword [esi]
call fcn.00421563
add esp, 0xc
cmp eax, edi
je 0x424919
test byte [ebp - 1], 0x80
je 0x424a36
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x42498e
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x42498b
or dword [ebp + 0x10], edi
jmp 0x42498e
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4249db
cmp eax, 0x10000
je 0x4249c7
cmp eax, 0x14000
je 0x4249c7
cmp eax, 0x20000
je 0x4249d5
cmp eax, 0x24000
je 0x4249d5
cmp eax, 0x40000
je 0x4249c1
cmp eax, 0x44000
jne 0x4249de
mov byte [ebp - 2], 1
jmp 0x4249de
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4249de
mov byte [ebp - 2], 2
jmp 0x4249de
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x424a36
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x424a36
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x424b90
cmp eax, 0x80000000
je 0x424b57
cmp eax, ecx
jne 0x424a36
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x424a36
cmp eax, 2
jbe 0x424c38
cmp eax, 4
jbe 0x424b29
cmp eax, 5
je 0x424c38
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x463c60]
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 + 0x463c60]
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 0x424aa8
test byte [ebp + 0x10], 8
je 0x424aa8
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x463c60]
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 0x424cb7
test byte [ebp + 0x10], 1
je 0x424cb7
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 0x424ca0
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00418c04
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x463c60]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00424092
pop ecx
jmp 0x42481f
push 2
push ebx
push ebx
push dword [esi]
call fcn.00423b6c
add esp, 0x10
or eax, edx
je 0x424c38
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00423b6c
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x424919
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0041f3e2
add esp, 0xc
cmp eax, 0xffffffff
je 0x424919
cmp eax, 2
je 0x424bdc
cmp eax, 3
jne 0x424c2a
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x424bdc
mov byte [ebp - 2], 1
jmp 0x424a36
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x424a36
cmp eax, 2
jbe 0x424c38
cmp eax, 4
ja 0x424a2d
push 2
push ebx
push ebx
push dword [esi]
call fcn.00423b6c
add esp, 0x10
or eax, edx
je 0x424c38
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00423b6c
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x424a36
jmp 0x424919
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x424c04
push dword [esi]
call fcn.0041ede0
pop ecx
call fcn.00418bde
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x424cb9
cmp eax, 0xfeff
jne 0x424c2a
push ebx
push 2
push dword [esi]
call fcn.00421563
add esp, 0xc
cmp eax, 0xffffffff
je 0x424919
mov byte [ebp - 2], 2
jmp 0x424a36
push ebx
push ebx
push dword [esi]
call fcn.00421563
add esp, 0xc
jmp 0x424bce
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x424c58
dec eax
jne 0x424a36
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x424c66
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.004213d1
add esp, 0xc
cmp eax, 0xffffffff
je 0x424c8c
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x424c66
jmp 0x424a36
push dword [esi]
call fcn.0041ede0
pop ecx
call fcn.00418bde
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x424cb9
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x463c60]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret