Function at 0x49f63e
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 0x49f66d
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x49f677
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004ae8a3
test eax, eax
pop ecx
je 0x49f692
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048edb6
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00490ff0
test eax, eax
pop ecx
je 0x49f6ad
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048edb6
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x49f6ca
test ecx, 0x74000
jne 0x49f6c6
cmp dword [ebp - 0x24], eax
je 0x49f6ca
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, accept
je 0x49f724
dec eax
je 0x49f70e
dec eax
je 0x49f709
call fcn.00491a83
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00491a70
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048eeea
add esp, 0x14
jmp 0x49fcd6
mov dword [ebp - 8], edx
jmp 0x49f727
test cl, 8
je 0x49f71b
test ecx, 0x70000
jne 0x49f709
mov dword [ebp - 8], 0x40000000
jmp 0x49f727
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x49f768
sub eax, ecx
je 0x49f75f
sub eax, ecx
je 0x49f756
sub eax, ecx
je 0x49f74d
sub eax, 0x40
jne 0x49f6e3
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x49f76b
mov dword [ebp - 0x10], 3
jmp 0x49f76b
mov dword [ebp - 0x10], 2
jmp 0x49f76b
mov dword [ebp - 0x10], 1
jmp 0x49f76b
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 0x49f7be
je 0x49f7b5
cmp eax, ebx
je 0x49f7b5
cmp eax, edi
je 0x49f7ac
cmp eax, 0x200
je 0x49f831
cmp eax, 0x300
jne 0x49f6e3
mov dword [ebp - 0x14], 2
jmp 0x49f7db
mov dword [ebp - 0x14], 4
jmp 0x49f7db
mov dword [ebp - 0x14], 3
jmp 0x49f7db
cmp eax, 0x500
je 0x49f7d4
cmp eax, 0x600
je 0x49f831
cmp eax, edx
jne 0x49f6e3
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x49f7ff
mov ecx, dword [0x4e2a14]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x49f7ff
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x49f81b
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x49f81b
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x49f824
or dword [ebp - 0xc], edi
test al, 0x20
je 0x49f83a
or dword [ebp - 0xc], 0x8000000
jmp 0x49f845
mov dword [ebp - 0x14], 5
jmp 0x49f7db
test al, 0x10
je 0x49f845
or dword [ebp - 0xc], 0x10000000
call fcn.004a085c
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x49f86b
call fcn.00491a83
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00491a70
mov dword [eax], 0x18
jmp 0x49f8f9
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 0x49f905
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x49f8d1
test byte [ebp + 0x10], 1
je 0x49f8d1
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 0x49f905
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x56dfc0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00491a96
pop ecx
call fcn.00491a70
mov eax, dword [eax]
jmp 0x49fd92
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x49f956
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x56dfc0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00491a96
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x49f8f9
call fcn.00491a70
mov dword [eax], 0xd
jmp 0x49f8f9
cmp eax, 2
jne 0x49f961
or byte [ebp - 1], 0x40
jmp 0x49f96a
cmp eax, 3
jne 0x49f96a
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004a062b
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x56dfc0]
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 + 0x56dfc0]
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 0x49fa3f
test cl, 0x80
je 0x49fb0f
test byte [ebp + 0x10], 2
je 0x49fa3f
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004ae653
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x49f9fe
call fcn.00491a83
cmp dword [eax], 0x83
je 0x49fa3f
push dword [esi]
call fcn.00492ee8
jmp 0x49f8f8
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00492427
add esp, 0xc
test eax, eax
jne 0x49fa2f
cmp byte [ebp - 4], 0x1a
jne 0x49fa2f
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004ae39a
add esp, 0xc
cmp eax, edi
je 0x49f9f2
push ebx
push ebx
push dword [esi]
call fcn.004ae653
add esp, 0xc
cmp eax, edi
je 0x49f9f2
test byte [ebp - 1], 0x80
je 0x49fb0f
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x49fa67
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x49fa64
or dword [ebp + 0x10], edi
jmp 0x49fa67
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x49fab4
cmp eax, 0x10000
je 0x49faa0
cmp eax, 0x14000
je 0x49faa0
cmp eax, 0x20000
je 0x49faae
cmp eax, 0x24000
je 0x49faae
cmp eax, 0x40000
je 0x49fa9a
cmp eax, 0x44000
jne 0x49fab7
mov byte [ebp - 2], 1
jmp 0x49fab7
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x49fab7
mov byte [ebp - 2], 2
jmp 0x49fab7
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x49fb0f
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x49fb0f
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x49fc69
cmp eax, 0x80000000
je 0x49fc30
cmp eax, ecx
jne 0x49fb0f
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49fb0f
cmp eax, 2
jbe 0x49fd11
cmp eax, 4
jbe 0x49fc02
cmp eax, 5
je 0x49fd11
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x56dfc0]
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 + 0x56dfc0]
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 0x49fb81
test byte [ebp + 0x10], 8
je 0x49fb81
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x56dfc0]
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 0x49fd90
test byte [ebp + 0x10], 1
je 0x49fd90
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 0x49fd79
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00491a96
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x56dfc0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004a06a8
pop ecx
jmp 0x49f8f8
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a048f
add esp, 0x10
or eax, edx
je 0x49fd11
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a048f
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x49f9f2
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00492427
add esp, 0xc
cmp eax, 0xffffffff
je 0x49f9f2
cmp eax, 2
je 0x49fcb5
cmp eax, 3
jne 0x49fd03
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x49fcb5
mov byte [ebp - 2], 1
jmp 0x49fb0f
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49fb0f
cmp eax, 2
jbe 0x49fd11
cmp eax, 4
ja 0x49fb06
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a048f
add esp, 0x10
or eax, edx
je 0x49fd11
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a048f
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x49fb0f
jmp 0x49f9f2
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x49fcdd
push dword [esi]
call fcn.00492ee8
pop ecx
call fcn.00491a70
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x49fd92
cmp eax, 0xfeff
jne 0x49fd03
push ebx
push 2
push dword [esi]
call fcn.004ae653
add esp, 0xc
cmp eax, 0xffffffff
je 0x49f9f2
mov byte [ebp - 2], 2
jmp 0x49fb0f
push ebx
push ebx
push dword [esi]
call fcn.004ae653
add esp, 0xc
jmp 0x49fca7
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x49fd31
dec eax
jne 0x49fb0f
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x49fd3f
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.004a647c
add esp, 0xc
cmp eax, 0xffffffff
je 0x49fd65
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x49fd3f
jmp 0x49fb0f
push dword [esi]
call fcn.00492ee8
pop ecx
call fcn.00491a70
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x49fd92
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x56dfc0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret