Function at 0x488d2d
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 0x488d5c
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x488d66
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048bf2c
test eax, eax
pop ecx
je 0x488d81
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004705a7
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047a66d
test eax, eax
pop ecx
je 0x488d9c
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004705a7
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x488db9
test ecx, 0x74000
jne 0x488db5
cmp dword [ebp - 0x24], eax
je 0x488db9
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x488e13
dec eax
je 0x488dfd
dec eax
je 0x488df8
call fcn.00476309
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004762f6
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004706a3
add esp, 0x14
jmp 0x4893c5
mov dword [ebp - 8], edx
jmp 0x488e16
test cl, 8
je 0x488e0a
test ecx, 0x70000
jne 0x488df8
mov dword [ebp - 8], 0x40000000
jmp 0x488e16
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x488e57
sub eax, ecx
je 0x488e4e
sub eax, ecx
je 0x488e45
sub eax, ecx
je 0x488e3c
sub eax, 0x40
jne 0x488dd2
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x488e5a
mov dword [ebp - 0x10], 3
jmp 0x488e5a
mov dword [ebp - 0x10], 2
jmp 0x488e5a
mov dword [ebp - 0x10], 1
jmp 0x488e5a
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 0x488ead
je 0x488ea4
cmp eax, ebx
je 0x488ea4
cmp eax, edi
je 0x488e9b
cmp eax, 0x200
je 0x488f20
cmp eax, 0x300
jne 0x488dd2
mov dword [ebp - 0x14], 2
jmp 0x488eca
mov dword [ebp - 0x14], 4
jmp 0x488eca
mov dword [ebp - 0x14], 3
jmp 0x488eca
cmp eax, 0x500
je 0x488ec3
cmp eax, 0x600
je 0x488f20
cmp eax, edx
jne 0x488dd2
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x488eee
mov ecx, dword [0x4cb644]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x488eee
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x488f0a
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x488f0a
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x488f13
or dword [ebp - 0xc], edi
test al, 0x20
je 0x488f29
or dword [ebp - 0xc], 0x8000000
jmp 0x488f34
mov dword [ebp - 0x14], 5
jmp 0x488eca
test al, 0x10
je 0x488f34
or dword [ebp - 0xc], 0x10000000
call fcn.00488a0e
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x488f5a
call fcn.00476309
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004762f6
mov dword [eax], 0x18
jmp 0x488fe8
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 0x488ff4
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x488fc0
test byte [ebp + 0x10], 1
je 0x488fc0
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 0x488ff4
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4cbe80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047631c
pop ecx
call fcn.004762f6
mov eax, dword [eax]
jmp 0x489481
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x489045
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4cbe80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0047631c
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x488fe8
call fcn.004762f6
mov dword [eax], 0xd
jmp 0x488fe8
cmp eax, 2
jne 0x489050
or byte [ebp - 1], 0x40
jmp 0x489059
cmp eax, 3
jne 0x489059
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004887dd
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4cbe80]
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 + 0x4cbe80]
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 0x48912e
test cl, 0x80
je 0x4891fe
test byte [ebp + 0x10], 2
je 0x48912e
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004808d6
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4890ed
call fcn.00476309
cmp dword [eax], 0x83
je 0x48912e
push dword [esi]
call fcn.0047f6ee
jmp 0x488fe7
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0047ed9d
add esp, 0xc
test eax, eax
jne 0x48911e
cmp byte [ebp - 4], 0x1a
jne 0x48911e
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048bcbc
add esp, 0xc
cmp eax, edi
je 0x4890e1
push ebx
push ebx
push dword [esi]
call fcn.004808d6
add esp, 0xc
cmp eax, edi
je 0x4890e1
test byte [ebp - 1], 0x80
je 0x4891fe
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x489156
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x489153
or dword [ebp + 0x10], edi
jmp 0x489156
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4891a3
cmp eax, 0x10000
je 0x48918f
cmp eax, 0x14000
je 0x48918f
cmp eax, 0x20000
je 0x48919d
cmp eax, 0x24000
je 0x48919d
cmp eax, 0x40000
je 0x489189
cmp eax, 0x44000
jne 0x4891a6
mov byte [ebp - 2], 1
jmp 0x4891a6
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4891a6
mov byte [ebp - 2], 2
jmp 0x4891a6
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4891fe
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4891fe
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x489358
cmp eax, 0x80000000
je 0x48931f
cmp eax, ecx
jne 0x4891fe
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4891fe
cmp eax, 2
jbe 0x489400
cmp eax, 4
jbe 0x4892f1
cmp eax, 5
je 0x489400
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cbe80]
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 + 0x4cbe80]
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 0x489270
test byte [ebp + 0x10], 8
je 0x489270
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cbe80]
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 0x48947f
test byte [ebp + 0x10], 1
je 0x48947f
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 0x489468
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0047631c
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cbe80]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048885a
pop ecx
jmp 0x488fe7
push 2
push ebx
push ebx
push dword [esi]
call fcn.00485e2d
add esp, 0x10
or eax, edx
je 0x489400
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00485e2d
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4890e1
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0047ed9d
add esp, 0xc
cmp eax, 0xffffffff
je 0x4890e1
cmp eax, 2
je 0x4893a4
cmp eax, 3
jne 0x4893f2
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4893a4
mov byte [ebp - 2], 1
jmp 0x4891fe
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4891fe
cmp eax, 2
jbe 0x489400
cmp eax, 4
ja 0x4891f5
push 2
push ebx
push ebx
push dword [esi]
call fcn.00485e2d
add esp, 0x10
or eax, edx
je 0x489400
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00485e2d
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4891fe
jmp 0x4890e1
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4893cc
push dword [esi]
call fcn.0047f6ee
pop ecx
call fcn.004762f6
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x489481
cmp eax, 0xfeff
jne 0x4893f2
push ebx
push 2
push dword [esi]
call fcn.004808d6
add esp, 0xc
cmp eax, 0xffffffff
je 0x4890e1
mov byte [ebp - 2], 2
jmp 0x4891fe
push ebx
push ebx
push dword [esi]
call fcn.004808d6
add esp, 0xc
jmp 0x489396
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x489420
dec eax
jne 0x4891fe
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48942e
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.0048658f
add esp, 0xc
cmp eax, 0xffffffff
je 0x489454
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48942e
jmp 0x4891fe
push dword [esi]
call fcn.0047f6ee
pop ecx
call fcn.004762f6
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x489481
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4cbe80]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret