Function at 0x4806d3
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 0x480702
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x48070c
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00481d1f
test eax, eax
pop ecx
je 0x480727
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00462c09
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00466873
test eax, eax
pop ecx
je 0x480742
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00462c09
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x48075f
test ecx, 0x74000
jne 0x48075b
cmp dword [ebp - 0x24], eax
je 0x48075f
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x4807b9
dec eax
je 0x4807a3
dec eax
je 0x48079e
call fcn.00464ba9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00464b96
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00462d05
add esp, 0x14
jmp 0x480d6b
mov dword [ebp - 8], edx
jmp 0x4807bc
test cl, 8
je 0x4807b0
test ecx, 0x70000
jne 0x48079e
mov dword [ebp - 8], 0x40000000
jmp 0x4807bc
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4807fd
sub eax, ecx
je 0x4807f4
sub eax, ecx
je 0x4807eb
sub eax, ecx
je 0x4807e2
sub eax, 0x40
jne 0x480778
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x480800
mov dword [ebp - 0x10], 3
jmp 0x480800
mov dword [ebp - 0x10], 2
jmp 0x480800
mov dword [ebp - 0x10], 1
jmp 0x480800
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 0x480853
je 0x48084a
cmp eax, ebx
je 0x48084a
cmp eax, edi
je 0x480841
cmp eax, 0x200
je 0x4808c6
cmp eax, 0x300
jne 0x480778
mov dword [ebp - 0x14], 2
jmp 0x480870
mov dword [ebp - 0x14], 4
jmp 0x480870
mov dword [ebp - 0x14], 3
jmp 0x480870
cmp eax, 0x500
je 0x480869
cmp eax, 0x600
je 0x4808c6
cmp eax, edx
jne 0x480778
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x480894
mov ecx, dword [0x4dd098]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x480894
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4808b0
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4808b0
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4808b9
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4808cf
or dword [ebp - 0xc], 0x8000000
jmp 0x4808da
mov dword [ebp - 0x14], 5
jmp 0x480870
test al, 0x10
je 0x4808da
or dword [ebp - 0xc], 0x10000000
call fcn.0047a463
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x480900
call fcn.00464ba9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00464b96
mov dword [eax], 0x18
jmp 0x48098e
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 0x48099a
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x480966
test byte [ebp + 0x10], 1
je 0x480966
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 0x48099a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4dee40]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00464bbc
pop ecx
call fcn.00464b96
mov eax, dword [eax]
jmp 0x480e27
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4809eb
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4dee40]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00464bbc
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x48098e
call fcn.00464b96
mov dword [eax], 0xd
jmp 0x48098e
cmp eax, 2
jne 0x4809f6
or byte [ebp - 1], 0x40
jmp 0x4809ff
cmp eax, 3
jne 0x4809ff
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047a232
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4dee40]
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 + 0x4dee40]
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 0x480ad4
test cl, 0x80
je 0x480ba4
test byte [ebp + 0x10], 2
je 0x480ad4
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0046eb7a
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x480a93
call fcn.00464ba9
cmp dword [eax], 0x83
je 0x480ad4
push dword [esi]
call fcn.0046ef48
jmp 0x48098d
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00479ab2
add esp, 0xc
test eax, eax
jne 0x480ac4
cmp byte [ebp - 4], 0x1a
jne 0x480ac4
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00481aaf
add esp, 0xc
cmp eax, edi
je 0x480a87
push ebx
push ebx
push dword [esi]
call fcn.0046eb7a
add esp, 0xc
cmp eax, edi
je 0x480a87
test byte [ebp - 1], 0x80
je 0x480ba4
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x480afc
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x480af9
or dword [ebp + 0x10], edi
jmp 0x480afc
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x480b49
cmp eax, 0x10000
je 0x480b35
cmp eax, 0x14000
je 0x480b35
cmp eax, 0x20000
je 0x480b43
cmp eax, 0x24000
je 0x480b43
cmp eax, 0x40000
je 0x480b2f
cmp eax, 0x44000
jne 0x480b4c
mov byte [ebp - 2], 1
jmp 0x480b4c
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x480b4c
mov byte [ebp - 2], 2
jmp 0x480b4c
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x480ba4
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x480ba4
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x480cfe
cmp eax, 0x80000000
je 0x480cc5
cmp eax, ecx
jne 0x480ba4
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x480ba4
cmp eax, 2
jbe 0x480da6
cmp eax, 4
jbe 0x480c97
cmp eax, 5
je 0x480da6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dee40]
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 + 0x4dee40]
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 0x480c16
test byte [ebp + 0x10], 8
je 0x480c16
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dee40]
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 0x480e25
test byte [ebp + 0x10], 1
je 0x480e25
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 0x480e0e
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00464bbc
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dee40]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047a2af
pop ecx
jmp 0x48098d
push 2
push ebx
push ebx
push dword [esi]
call fcn.00479689
add esp, 0x10
or eax, edx
je 0x480da6
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00479689
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x480a87
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00479ab2
add esp, 0xc
cmp eax, 0xffffffff
je 0x480a87
cmp eax, 2
je 0x480d4a
cmp eax, 3
jne 0x480d98
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x480d4a
mov byte [ebp - 2], 1
jmp 0x480ba4
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x480ba4
cmp eax, 2
jbe 0x480da6
cmp eax, 4
ja 0x480b9b
push 2
push ebx
push ebx
push dword [esi]
call fcn.00479689
add esp, 0x10
or eax, edx
je 0x480da6
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00479689
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x480ba4
jmp 0x480a87
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x480d72
push dword [esi]
call fcn.0046ef48
pop ecx
call fcn.00464b96
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x480e27
cmp eax, 0xfeff
jne 0x480d98
push ebx
push 2
push dword [esi]
call fcn.0046eb7a
add esp, 0xc
cmp eax, 0xffffffff
je 0x480a87
mov byte [ebp - 2], 2
jmp 0x480ba4
push ebx
push ebx
push dword [esi]
call fcn.0046eb7a
add esp, 0xc
jmp 0x480d3c
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x480dc6
dec eax
jne 0x480ba4
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x480dd4
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.0046e66b
add esp, 0xc
cmp eax, 0xffffffff
je 0x480dfa
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x480dd4
jmp 0x480ba4
push dword [esi]
call fcn.0046ef48
pop ecx
call fcn.00464b96
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x480e27
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dee40]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret