Function at 0x494a1c
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 0x494a4b
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x494a55
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004977ad
test eax, eax
pop ecx
je 0x494a70
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047a474
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0048287f
test eax, eax
pop ecx
je 0x494a8b
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047a474
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x494aa8
test ecx, 0x74000
jne 0x494aa4
cmp dword [ebp - 0x24], eax
je 0x494aa8
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x494b02
dec eax
je 0x494aec
dec eax
je 0x494ae7
call fcn.0048059a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00480587
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0047a570
add esp, 0x14
jmp 0x4950b5
mov dword [ebp - 8], edx
jmp 0x494b05
test cl, 8
je 0x494af9
test ecx, 0x70000
jne 0x494ae7
mov dword [ebp - 8], 0x40000000
jmp 0x494b05
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x494b46
sub eax, ecx
je 0x494b3d
sub eax, ecx
je 0x494b34
sub eax, ecx
je 0x494b2b
sub eax, 0x40
jne 0x494ac1
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x494b49
mov dword [ebp - 0x10], 3
jmp 0x494b49
mov dword [ebp - 0x10], 2
jmp 0x494b49
mov dword [ebp - 0x10], 1
jmp 0x494b49
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 0x494b9c
je 0x494b93
cmp eax, ebx
je 0x494b93
cmp eax, edi
je 0x494b8a
cmp eax, 0x200
je 0x494c0f
cmp eax, 0x300
jne 0x494ac1
mov dword [ebp - 0x14], 2
jmp 0x494bb9
mov dword [ebp - 0x14], 4
jmp 0x494bb9
mov dword [ebp - 0x14], 3
jmp 0x494bb9
cmp eax, 0x500
je 0x494bb2
cmp eax, 0x600
je 0x494c0f
cmp eax, edx
jne 0x494ac1
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x494bdd
mov ecx, dword [0x4fa26c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x494bdd
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x494bf9
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x494bf9
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x494c02
or dword [ebp - 0xc], edi
test al, 0x20
je 0x494c18
or dword [ebp - 0xc], 0x8000000
jmp 0x494c23
mov dword [ebp - 0x14], 5
jmp 0x494bb9
test al, 0x10
je 0x494c23
or dword [ebp - 0xc], 0x10000000
call fcn.0049471c
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x494c49
call fcn.0048059a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00480587
mov dword [eax], 0x18
jmp 0x494cd7
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 0x494ce3
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x494caf
test byte [ebp + 0x10], 1
je 0x494caf
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 0x494ce3
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4fc160]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004805ad
pop ecx
call fcn.00480587
mov eax, dword [eax]
jmp 0x495171
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x494d34
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4fc160]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004805ad
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x494cd7
call fcn.00480587
mov dword [eax], 0xd
jmp 0x494cd7
cmp eax, 2
jne 0x494d3f
or byte [ebp - 1], 0x40
jmp 0x494d48
cmp eax, 3
jne 0x494d48
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004944eb
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4fc160]
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 + 0x4fc160]
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 0x494e1e
test cl, 0x80
je 0x494eee
test byte [ebp + 0x10], 2
je 0x494e1e
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00490ea2
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x494ddc
call fcn.0048059a
cmp dword [eax], 0x83
je 0x494e1e
push dword [esi]
call fcn.0048e9a1
jmp 0x494cd6
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004907e4
add esp, 0xc
test eax, eax
jne 0x494e0e
cmp word [ebp - 0x2c], 0x1a
jne 0x494e0e
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0049753d
add esp, 0xc
cmp eax, edi
je 0x494dd0
push ebx
push ebx
push dword [esi]
call fcn.00490ea2
add esp, 0xc
cmp eax, edi
je 0x494dd0
test byte [ebp - 1], 0x80
je 0x494eee
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x494e46
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x494e43
or dword [ebp + 0x10], edi
jmp 0x494e46
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x494e93
cmp eax, 0x10000
je 0x494e7f
cmp eax, 0x14000
je 0x494e7f
cmp eax, 0x20000
je 0x494e8d
cmp eax, 0x24000
je 0x494e8d
cmp eax, 0x40000
je 0x494e79
cmp eax, 0x44000
jne 0x494e96
mov byte [ebp - 2], 1
jmp 0x494e96
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x494e96
mov byte [ebp - 2], 2
jmp 0x494e96
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x494eee
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x494eee
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x495048
cmp eax, 0x80000000
je 0x49500f
cmp eax, ecx
jne 0x494eee
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x494eee
cmp eax, 2
jbe 0x4950f0
cmp eax, 4
jbe 0x494fe1
cmp eax, 5
je 0x4950f0
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4fc160]
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 + 0x4fc160]
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 0x494f60
test byte [ebp + 0x10], 8
je 0x494f60
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4fc160]
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 0x49516f
test byte [ebp + 0x10], 1
je 0x49516f
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 0x495158
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004805ad
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4fc160]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00494568
pop ecx
jmp 0x494cd6
push 2
push ebx
push ebx
push dword [esi]
call fcn.00492de5
add esp, 0x10
or eax, edx
je 0x4950f0
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00492de5
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x494dd0
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004907e4
add esp, 0xc
cmp eax, 0xffffffff
je 0x494dd0
cmp eax, 2
je 0x495094
cmp eax, 3
jne 0x4950e2
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x495094
mov byte [ebp - 2], 1
jmp 0x494eee
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x494eee
cmp eax, 2
jbe 0x4950f0
cmp eax, 4
ja 0x494ee5
push 2
push ebx
push ebx
push dword [esi]
call fcn.00492de5
add esp, 0x10
or eax, edx
je 0x4950f0
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00492de5
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x494eee
jmp 0x494dd0
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4950bc
push dword [esi]
call fcn.0048e9a1
pop ecx
call fcn.00480587
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x495171
cmp eax, 0xfeff
jne 0x4950e2
push ebx
push 2
push dword [esi]
call fcn.00490ea2
add esp, 0xc
cmp eax, 0xffffffff
je 0x494dd0
mov byte [ebp - 2], 2
jmp 0x494eee
push ebx
push ebx
push dword [esi]
call fcn.00490ea2
add esp, 0xc
jmp 0x495086
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x495110
dec eax
jne 0x494eee
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x49511e
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.0048f2c2
add esp, 0xc
cmp eax, 0xffffffff
je 0x495144
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x49511e
jmp 0x494eee
push dword [esi]
call fcn.0048e9a1
pop ecx
call fcn.00480587
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x495171
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4fc160]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret