Function at 0x49b012
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 0x49b041
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x49b04b
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049d30c
test eax, eax
pop ecx
je 0x49b066
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047dea4
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00486bdf
test eax, eax
pop ecx
je 0x49b081
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047dea4
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x49b09e
test ecx, 0x74000
jne 0x49b09a
cmp dword [ebp - 0x24], eax
je 0x49b09e
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x49b0f8
dec eax
je 0x49b0e2
dec eax
je 0x49b0dd
call fcn.0048523a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00485227
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0047dfa0
add esp, 0x14
jmp 0x49b6aa
mov dword [ebp - 8], edx
jmp 0x49b0fb
test cl, 8
je 0x49b0ef
test ecx, 0x70000
jne 0x49b0dd
mov dword [ebp - 8], 0x40000000
jmp 0x49b0fb
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x49b13c
sub eax, ecx
je 0x49b133
sub eax, ecx
je 0x49b12a
sub eax, ecx
je 0x49b121
sub eax, 0x40
jne 0x49b0b7
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x49b13f
mov dword [ebp - 0x10], 3
jmp 0x49b13f
mov dword [ebp - 0x10], 2
jmp 0x49b13f
mov dword [ebp - 0x10], 1
jmp 0x49b13f
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 0x49b192
je 0x49b189
cmp eax, ebx
je 0x49b189
cmp eax, edi
je 0x49b180
cmp eax, 0x200
je 0x49b205
cmp eax, 0x300
jne 0x49b0b7
mov dword [ebp - 0x14], 2
jmp 0x49b1af
mov dword [ebp - 0x14], 4
jmp 0x49b1af
mov dword [ebp - 0x14], 3
jmp 0x49b1af
cmp eax, 0x500
je 0x49b1a8
cmp eax, 0x600
je 0x49b205
cmp eax, edx
jne 0x49b0b7
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x49b1d3
mov ecx, dword [0x5d8a10]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x49b1d3
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x49b1ef
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x49b1ef
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x49b1f8
or dword [ebp - 0xc], edi
test al, 0x20
je 0x49b20e
or dword [ebp - 0xc], 0x8000000
jmp 0x49b219
mov dword [ebp - 0x14], 5
jmp 0x49b1af
test al, 0x10
je 0x49b219
or dword [ebp - 0xc], 0x10000000
call fcn.00499fd0
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x49b23f
call fcn.0048523a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00485227
mov dword [eax], 0x18
jmp 0x49b2cd
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 0x49b2d9
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x49b2a5
test byte [ebp + 0x10], 1
je 0x49b2a5
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 0x49b2d9
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5dcae0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0048524d
pop ecx
call fcn.00485227
mov eax, dword [eax]
jmp 0x49b766
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x49b32a
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x5dcae0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0048524d
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x49b2cd
call fcn.00485227
mov dword [eax], 0xd
jmp 0x49b2cd
cmp eax, 2
jne 0x49b335
or byte [ebp - 1], 0x40
jmp 0x49b33e
cmp eax, 3
jne 0x49b33e
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00499d9f
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x5dcae0]
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 + 0x5dcae0]
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 0x49b413
test cl, 0x80
je 0x49b4e3
test byte [ebp + 0x10], 2
je 0x49b413
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00495ff3
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x49b3d2
call fcn.0048523a
cmp dword [eax], 0x83
je 0x49b413
push dword [esi]
call fcn.00492ec5
jmp 0x49b2cc
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00496324
add esp, 0xc
test eax, eax
jne 0x49b403
cmp byte [ebp - 4], 0x1a
jne 0x49b403
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0049d09c
add esp, 0xc
cmp eax, edi
je 0x49b3c6
push ebx
push ebx
push dword [esi]
call fcn.00495ff3
add esp, 0xc
cmp eax, edi
je 0x49b3c6
test byte [ebp - 1], 0x80
je 0x49b4e3
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x49b43b
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x49b438
or dword [ebp + 0x10], edi
jmp 0x49b43b
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x49b488
cmp eax, 0x10000
je 0x49b474
cmp eax, 0x14000
je 0x49b474
cmp eax, 0x20000
je 0x49b482
cmp eax, 0x24000
je 0x49b482
cmp eax, 0x40000
je 0x49b46e
cmp eax, 0x44000
jne 0x49b48b
mov byte [ebp - 2], 1
jmp 0x49b48b
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x49b48b
mov byte [ebp - 2], 2
jmp 0x49b48b
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x49b4e3
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x49b4e3
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x49b63d
cmp eax, 0x80000000
je 0x49b604
cmp eax, ecx
jne 0x49b4e3
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49b4e3
cmp eax, 2
jbe 0x49b6e5
cmp eax, 4
jbe 0x49b5d6
cmp eax, 5
je 0x49b6e5
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5dcae0]
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 + 0x5dcae0]
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 0x49b555
test byte [ebp + 0x10], 8
je 0x49b555
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5dcae0]
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 0x49b764
test byte [ebp + 0x10], 1
je 0x49b764
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 0x49b74d
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0048524d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5dcae0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00499e1c
pop ecx
jmp 0x49b2cc
push 2
push ebx
push ebx
push dword [esi]
call fcn.00498696
add esp, 0x10
or eax, edx
je 0x49b6e5
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00498696
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x49b3c6
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00496324
add esp, 0xc
cmp eax, 0xffffffff
je 0x49b3c6
cmp eax, 2
je 0x49b689
cmp eax, 3
jne 0x49b6d7
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x49b689
mov byte [ebp - 2], 1
jmp 0x49b4e3
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49b4e3
cmp eax, 2
jbe 0x49b6e5
cmp eax, 4
ja 0x49b4da
push 2
push ebx
push ebx
push dword [esi]
call fcn.00498696
add esp, 0x10
or eax, edx
je 0x49b6e5
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00498696
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x49b4e3
jmp 0x49b3c6
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x49b6b1
push dword [esi]
call fcn.00492ec5
pop ecx
call fcn.00485227
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x49b766
cmp eax, 0xfeff
jne 0x49b6d7
push ebx
push 2
push dword [esi]
call fcn.00495ff3
add esp, 0xc
cmp eax, 0xffffffff
je 0x49b3c6
mov byte [ebp - 2], 2
jmp 0x49b4e3
push ebx
push ebx
push dword [esi]
call fcn.00495ff3
add esp, 0xc
jmp 0x49b67b
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x49b705
dec eax
jne 0x49b4e3
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x49b713
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.004937e6
add esp, 0xc
cmp eax, 0xffffffff
je 0x49b739
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x49b713
jmp 0x49b4e3
push dword [esi]
call fcn.00492ec5
pop ecx
call fcn.00485227
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x49b766
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x5dcae0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret