Function at 0x499b11
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 0x499b40
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x499b4a
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049d767
test eax, eax
pop ecx
je 0x499b65
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048930b
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0048cb44
test eax, eax
pop ecx
je 0x499b80
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048930b
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x499b9d
test ecx, 0x74000
jne 0x499b99
cmp dword [ebp - 0x24], eax
je 0x499b9d
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x499bf7
dec eax
je 0x499be1
dec eax
je 0x499bdc
call fcn.0048af84
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048af71
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00489407
add esp, 0x14
jmp 0x49a1aa
mov dword [ebp - 8], edx
jmp 0x499bfa
test cl, 8
je 0x499bee
test ecx, 0x70000
jne 0x499bdc
mov dword [ebp - 8], 0x40000000
jmp 0x499bfa
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x499c3b
sub eax, ecx
je 0x499c32
sub eax, ecx
je 0x499c29
sub eax, ecx
je 0x499c20
sub eax, 0x40
jne 0x499bb6
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x499c3e
mov dword [ebp - 0x10], 3
jmp 0x499c3e
mov dword [ebp - 0x10], 2
jmp 0x499c3e
mov dword [ebp - 0x10], 1
jmp 0x499c3e
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 0x499c91
je 0x499c88
cmp eax, ebx
je 0x499c88
cmp eax, edi
je 0x499c7f
cmp eax, 0x200
je 0x499d04
cmp eax, 0x300
jne 0x499bb6
mov dword [ebp - 0x14], 2
jmp 0x499cae
mov dword [ebp - 0x14], 4
jmp 0x499cae
mov dword [ebp - 0x14], 3
jmp 0x499cae
cmp eax, 0x500
je 0x499ca7
cmp eax, 0x600
je 0x499d04
cmp eax, edx
jne 0x499bb6
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x499cd2
mov ecx, dword [0x4f6f38]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x499cd2
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x499cee
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x499cee
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x499cf7
or dword [ebp - 0xc], edi
test al, 0x20
je 0x499d0d
or dword [ebp - 0xc], 0x8000000
jmp 0x499d18
mov dword [ebp - 0x14], 5
jmp 0x499cae
test al, 0x10
je 0x499d18
or dword [ebp - 0xc], 0x10000000
call fcn.0049afe8
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x499d3e
call fcn.0048af84
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048af71
mov dword [eax], 0x18
jmp 0x499dcc
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 0x499dd8
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x499da4
test byte [ebp + 0x10], 1
je 0x499da4
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 0x499dd8
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4f8ce0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0048af97
pop ecx
call fcn.0048af71
mov eax, dword [eax]
jmp 0x49a266
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x499e29
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4f8ce0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0048af97
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x499dcc
call fcn.0048af71
mov dword [eax], 0xd
jmp 0x499dcc
cmp eax, 2
jne 0x499e34
or byte [ebp - 1], 0x40
jmp 0x499e3d
cmp eax, 3
jne 0x499e3d
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0049adb7
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4f8ce0]
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 + 0x4f8ce0]
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 0x499f13
test cl, 0x80
je 0x499fe3
test byte [ebp + 0x10], 2
je 0x499f13
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00497360
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x499ed1
call fcn.0048af84
cmp dword [eax], 0x83
je 0x499f13
push dword [esi]
call fcn.00491e61
jmp 0x499dcb
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0049cfed
add esp, 0xc
test eax, eax
jne 0x499f03
cmp word [ebp - 0x2c], 0x1a
jne 0x499f03
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0049ce39
add esp, 0xc
cmp eax, edi
je 0x499ec5
push ebx
push ebx
push dword [esi]
call fcn.00497360
add esp, 0xc
cmp eax, edi
je 0x499ec5
test byte [ebp - 1], 0x80
je 0x499fe3
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x499f3b
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x499f38
or dword [ebp + 0x10], edi
jmp 0x499f3b
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x499f88
cmp eax, 0x10000
je 0x499f74
cmp eax, 0x14000
je 0x499f74
cmp eax, 0x20000
je 0x499f82
cmp eax, 0x24000
je 0x499f82
cmp eax, 0x40000
je 0x499f6e
cmp eax, 0x44000
jne 0x499f8b
mov byte [ebp - 2], 1
jmp 0x499f8b
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x499f8b
mov byte [ebp - 2], 2
jmp 0x499f8b
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x499fe3
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x499fe3
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x49a13d
cmp eax, 0x80000000
je 0x49a104
cmp eax, ecx
jne 0x499fe3
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x499fe3
cmp eax, 2
jbe 0x49a1e5
cmp eax, 4
jbe 0x49a0d6
cmp eax, 5
je 0x49a1e5
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f8ce0]
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 + 0x4f8ce0]
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 0x49a055
test byte [ebp + 0x10], 8
je 0x49a055
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f8ce0]
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 0x49a264
test byte [ebp + 0x10], 1
je 0x49a264
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 0x49a24d
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0048af97
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f8ce0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0049ae34
pop ecx
jmp 0x499dcb
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049a799
add esp, 0x10
or eax, edx
je 0x49a1e5
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049a799
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x499ec5
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0049cfed
add esp, 0xc
cmp eax, 0xffffffff
je 0x499ec5
cmp eax, 2
je 0x49a189
cmp eax, 3
jne 0x49a1d7
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x49a189
mov byte [ebp - 2], 1
jmp 0x499fe3
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x499fe3
cmp eax, 2
jbe 0x49a1e5
cmp eax, 4
ja 0x499fda
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049a799
add esp, 0x10
or eax, edx
je 0x49a1e5
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049a799
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x499fe3
jmp 0x499ec5
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x49a1b1
push dword [esi]
call fcn.00491e61
pop ecx
call fcn.0048af71
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x49a266
cmp eax, 0xfeff
jne 0x49a1d7
push ebx
push 2
push dword [esi]
call fcn.00497360
add esp, 0xc
cmp eax, 0xffffffff
je 0x499ec5
mov byte [ebp - 2], 2
jmp 0x499fe3
push ebx
push ebx
push dword [esi]
call fcn.00497360
add esp, 0xc
jmp 0x49a17b
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x49a205
dec eax
jne 0x499fe3
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x49a213
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.00491a31
add esp, 0xc
cmp eax, 0xffffffff
je 0x49a239
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x49a213
jmp 0x499fe3
push dword [esi]
call fcn.00491e61
pop ecx
call fcn.0048af71
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x49a266
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f8ce0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret