Function at 0x49a37c
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 0x49a3ab
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x49a3b5
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049d696
test eax, eax
pop ecx
je 0x49a3d0
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047bd0e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047d37d
test eax, eax
pop ecx
je 0x49a3eb
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047bd0e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x49a408
test ecx, 0x74000
jne 0x49a404
cmp dword [ebp - 0x24], eax
je 0x49a408
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x49a462
dec eax
je 0x49a44c
dec eax
je 0x49a447
call fcn.00482bab
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00482b98
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0047be0a
add esp, 0x14
jmp 0x49aa14
mov dword [ebp - 8], edx
jmp 0x49a465
test cl, 8
je 0x49a459
test ecx, 0x70000
jne 0x49a447
mov dword [ebp - 8], 0x40000000
jmp 0x49a465
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x49a4a6
sub eax, ecx
je 0x49a49d
sub eax, ecx
je 0x49a494
sub eax, ecx
je 0x49a48b
sub eax, 0x40
jne 0x49a421
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x49a4a9
mov dword [ebp - 0x10], 3
jmp 0x49a4a9
mov dword [ebp - 0x10], 2
jmp 0x49a4a9
mov dword [ebp - 0x10], 1
jmp 0x49a4a9
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 0x49a4fc
je 0x49a4f3
cmp eax, ebx
je 0x49a4f3
cmp eax, edi
je 0x49a4ea
cmp eax, 0x200
je 0x49a56f
cmp eax, 0x300
jne 0x49a421
mov dword [ebp - 0x14], 2
jmp 0x49a519
mov dword [ebp - 0x14], 4
jmp 0x49a519
mov dword [ebp - 0x14], 3
jmp 0x49a519
cmp eax, 0x500
je 0x49a512
cmp eax, 0x600
je 0x49a56f
cmp eax, edx
jne 0x49a421
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x49a53d
mov ecx, dword [0x4f5a9c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x49a53d
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x49a559
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x49a559
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x49a562
or dword [ebp - 0xc], edi
test al, 0x20
je 0x49a578
or dword [ebp - 0xc], 0x8000000
jmp 0x49a583
mov dword [ebp - 0x14], 5
jmp 0x49a519
test al, 0x10
je 0x49a583
or dword [ebp - 0xc], 0x10000000
call fcn.00483efe
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x49a5a9
call fcn.00482bab
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00482b98
mov dword [eax], 0x18
jmp 0x49a637
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 0x49a643
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x49a60f
test byte [ebp + 0x10], 1
je 0x49a60f
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 0x49a643
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x507020]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00482bbe
pop ecx
call fcn.00482b98
mov eax, dword [eax]
jmp 0x49aad0
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x49a694
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x507020]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00482bbe
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x49a637
call fcn.00482b98
mov dword [eax], 0xd
jmp 0x49a637
cmp eax, 2
jne 0x49a69f
or byte [ebp - 1], 0x40
jmp 0x49a6a8
cmp eax, 3
jne 0x49a6a8
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00483ccd
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x507020]
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 + 0x507020]
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 0x49a77d
test cl, 0x80
je 0x49a84d
test byte [ebp + 0x10], 2
je 0x49a77d
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0048aaba
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x49a73c
call fcn.00482bab
cmp dword [eax], 0x83
je 0x49a77d
push dword [esi]
call fcn.004899a6
jmp 0x49a636
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0048c532
add esp, 0xc
test eax, eax
jne 0x49a76d
cmp byte [ebp - 4], 0x1a
jne 0x49a76d
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0049d426
add esp, 0xc
cmp eax, edi
je 0x49a730
push ebx
push ebx
push dword [esi]
call fcn.0048aaba
add esp, 0xc
cmp eax, edi
je 0x49a730
test byte [ebp - 1], 0x80
je 0x49a84d
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x49a7a5
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x49a7a2
or dword [ebp + 0x10], edi
jmp 0x49a7a5
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x49a7f2
cmp eax, 0x10000
je 0x49a7de
cmp eax, 0x14000
je 0x49a7de
cmp eax, 0x20000
je 0x49a7ec
cmp eax, 0x24000
je 0x49a7ec
cmp eax, 0x40000
je 0x49a7d8
cmp eax, 0x44000
jne 0x49a7f5
mov byte [ebp - 2], 1
jmp 0x49a7f5
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x49a7f5
mov byte [ebp - 2], 2
jmp 0x49a7f5
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x49a84d
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x49a84d
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x49a9a7
cmp eax, 0x80000000
je 0x49a96e
cmp eax, ecx
jne 0x49a84d
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49a84d
cmp eax, 2
jbe 0x49aa4f
cmp eax, 4
jbe 0x49a940
cmp eax, 5
je 0x49aa4f
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x507020]
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 + 0x507020]
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 0x49a8bf
test byte [ebp + 0x10], 8
je 0x49a8bf
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x507020]
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 0x49aace
test byte [ebp + 0x10], 1
je 0x49aace
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 0x49aab7
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00482bbe
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x507020]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00483d4a
pop ecx
jmp 0x49a636
push 2
push ebx
push ebx
push dword [esi]
call fcn.00492116
add esp, 0x10
or eax, edx
je 0x49aa4f
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00492116
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x49a730
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0048c532
add esp, 0xc
cmp eax, 0xffffffff
je 0x49a730
cmp eax, 2
je 0x49a9f3
cmp eax, 3
jne 0x49aa41
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x49a9f3
mov byte [ebp - 2], 1
jmp 0x49a84d
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49a84d
cmp eax, 2
jbe 0x49aa4f
cmp eax, 4
ja 0x49a844
push 2
push ebx
push ebx
push dword [esi]
call fcn.00492116
add esp, 0x10
or eax, edx
je 0x49aa4f
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00492116
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x49a84d
jmp 0x49a730
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x49aa1b
push dword [esi]
call fcn.004899a6
pop ecx
call fcn.00482b98
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x49aad0
cmp eax, 0xfeff
jne 0x49aa41
push ebx
push 2
push dword [esi]
call fcn.0048aaba
add esp, 0xc
cmp eax, 0xffffffff
je 0x49a730
mov byte [ebp - 2], 2
jmp 0x49a84d
push ebx
push ebx
push dword [esi]
call fcn.0048aaba
add esp, 0xc
jmp 0x49a9e5
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x49aa6f
dec eax
jne 0x49a84d
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x49aa7d
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.0048a73c
add esp, 0xc
cmp eax, 0xffffffff
je 0x49aaa3
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x49aa7d
jmp 0x49a84d
push dword [esi]
call fcn.004899a6
pop ecx
call fcn.00482b98
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x49aad0
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x507020]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret