Function at 0x481096
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 0x4810c5
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x4810cf
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00481d1f
test eax, eax
pop ecx
je 0x4810ea
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 0x481105
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 0x481122
test ecx, 0x74000
jne 0x48111e
cmp dword [ebp - 0x24], eax
je 0x481122
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x48117c
dec eax
je 0x481166
dec eax
je 0x481161
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 0x48172f
mov dword [ebp - 8], edx
jmp 0x48117f
test cl, 8
je 0x481173
test ecx, 0x70000
jne 0x481161
mov dword [ebp - 8], 0x40000000
jmp 0x48117f
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4811c0
sub eax, ecx
je 0x4811b7
sub eax, ecx
je 0x4811ae
sub eax, ecx
je 0x4811a5
sub eax, 0x40
jne 0x48113b
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4811c3
mov dword [ebp - 0x10], 3
jmp 0x4811c3
mov dword [ebp - 0x10], 2
jmp 0x4811c3
mov dword [ebp - 0x10], 1
jmp 0x4811c3
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 0x481216
je 0x48120d
cmp eax, ebx
je 0x48120d
cmp eax, edi
je 0x481204
cmp eax, 0x200
je 0x481289
cmp eax, 0x300
jne 0x48113b
mov dword [ebp - 0x14], 2
jmp 0x481233
mov dword [ebp - 0x14], 4
jmp 0x481233
mov dword [ebp - 0x14], 3
jmp 0x481233
cmp eax, 0x500
je 0x48122c
cmp eax, 0x600
je 0x481289
cmp eax, edx
jne 0x48113b
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x481257
mov ecx, dword [0x4dd098]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x481257
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x481273
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x481273
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48127c
or dword [ebp - 0xc], edi
test al, 0x20
je 0x481292
or dword [ebp - 0xc], 0x8000000
jmp 0x48129d
mov dword [ebp - 0x14], 5
jmp 0x481233
test al, 0x10
je 0x48129d
or dword [ebp - 0xc], 0x10000000
call fcn.0047a463
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4812c3
call fcn.00464ba9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00464b96
mov dword [eax], 0x18
jmp 0x481351
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 0x48135d
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x481329
test byte [ebp + 0x10], 1
je 0x481329
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 0x48135d
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 0x4817eb
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4813ae
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 0x481351
call fcn.00464b96
mov dword [eax], 0xd
jmp 0x481351
cmp eax, 2
jne 0x4813b9
or byte [ebp - 1], 0x40
jmp 0x4813c2
cmp eax, 3
jne 0x4813c2
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 0x481498
test cl, 0x80
je 0x481568
test byte [ebp + 0x10], 2
je 0x481498
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 0x481456
call fcn.00464ba9
cmp dword [eax], 0x83
je 0x481498
push dword [esi]
call fcn.0046ef48
jmp 0x481350
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.00479ab2
add esp, 0xc
test eax, eax
jne 0x481488
cmp word [ebp - 0x2c], 0x1a
jne 0x481488
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00481aaf
add esp, 0xc
cmp eax, edi
je 0x48144a
push ebx
push ebx
push dword [esi]
call fcn.0046eb7a
add esp, 0xc
cmp eax, edi
je 0x48144a
test byte [ebp - 1], 0x80
je 0x481568
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4814c0
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4814bd
or dword [ebp + 0x10], edi
jmp 0x4814c0
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x48150d
cmp eax, 0x10000
je 0x4814f9
cmp eax, 0x14000
je 0x4814f9
cmp eax, 0x20000
je 0x481507
cmp eax, 0x24000
je 0x481507
cmp eax, 0x40000
je 0x4814f3
cmp eax, 0x44000
jne 0x481510
mov byte [ebp - 2], 1
jmp 0x481510
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x481510
mov byte [ebp - 2], 2
jmp 0x481510
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x481568
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x481568
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4816c2
cmp eax, 0x80000000
je 0x481689
cmp eax, ecx
jne 0x481568
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x481568
cmp eax, 2
jbe 0x48176a
cmp eax, 4
jbe 0x48165b
cmp eax, 5
je 0x48176a
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 0x4815da
test byte [ebp + 0x10], 8
je 0x4815da
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 0x4817e9
test byte [ebp + 0x10], 1
je 0x4817e9
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 0x4817d2
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 0x481350
push 2
push ebx
push ebx
push dword [esi]
call fcn.00479689
add esp, 0x10
or eax, edx
je 0x48176a
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00479689
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48144a
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00479ab2
add esp, 0xc
cmp eax, 0xffffffff
je 0x48144a
cmp eax, 2
je 0x48170e
cmp eax, 3
jne 0x48175c
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x48170e
mov byte [ebp - 2], 1
jmp 0x481568
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x481568
cmp eax, 2
jbe 0x48176a
cmp eax, 4
ja 0x48155f
push 2
push ebx
push ebx
push dword [esi]
call fcn.00479689
add esp, 0x10
or eax, edx
je 0x48176a
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00479689
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x481568
jmp 0x48144a
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x481736
push dword [esi]
call fcn.0046ef48
pop ecx
call fcn.00464b96
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4817eb
cmp eax, 0xfeff
jne 0x48175c
push ebx
push 2
push dword [esi]
call fcn.0046eb7a
add esp, 0xc
cmp eax, 0xffffffff
je 0x48144a
mov byte [ebp - 2], 2
jmp 0x481568
push ebx
push ebx
push dword [esi]
call fcn.0046eb7a
add esp, 0xc
jmp 0x481700
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x48178a
dec eax
jne 0x481568
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x481798
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 0x4817be
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x481798
jmp 0x481568
push dword [esi]
call fcn.0046ef48
pop ecx
call fcn.00464b96
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4817eb
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