Function at 0x49b41e
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 0x49b44d
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x49b457
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049f1cf
test eax, eax
pop ecx
je 0x49b472
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047d167
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00481810
test eax, eax
pop ecx
je 0x49b48d
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0047d167
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x49b4aa
test ecx, 0x74000
jne 0x49b4a6
cmp dword [ebp - 0x24], eax
je 0x49b4aa
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, connect
je 0x49b504
dec eax
je 0x49b4ee
dec eax
je 0x49b4e9
call fcn.004820b1
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048209e
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0047d285
add esp, 0x14
jmp 0x49bab6
mov dword [ebp - 8], edx
jmp 0x49b507
test cl, 8
je 0x49b4fb
test ecx, 0x70000
jne 0x49b4e9
mov dword [ebp - 8], 0x40000000
jmp 0x49b507
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x49b548
sub eax, ecx
je 0x49b53f
sub eax, ecx
je 0x49b536
sub eax, ecx
je 0x49b52d
sub eax, 0x40
jne 0x49b4c3
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x49b54b
mov dword [ebp - 0x10], 3
jmp 0x49b54b
mov dword [ebp - 0x10], 2
jmp 0x49b54b
mov dword [ebp - 0x10], 1
jmp 0x49b54b
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 0x49b59e
je 0x49b595
cmp eax, ebx
je 0x49b595
cmp eax, edi
je 0x49b58c
cmp eax, 0x200
je 0x49b611
cmp eax, 0x300
jne 0x49b4c3
mov dword [ebp - 0x14], 2
jmp 0x49b5bb
mov dword [ebp - 0x14], 4
jmp 0x49b5bb
mov dword [ebp - 0x14], 3
jmp 0x49b5bb
cmp eax, 0x500
je 0x49b5b4
cmp eax, 0x600
je 0x49b611
cmp eax, edx
jne 0x49b4c3
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x49b5df
mov ecx, dword [0x628dc0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x49b5df
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x49b5fb
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x49b5fb
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x49b604
or dword [ebp - 0xc], edi
test al, 0x20
je 0x49b61a
or dword [ebp - 0xc], 0x8000000
jmp 0x49b625
mov dword [ebp - 0x14], 5
jmp 0x49b5bb
test al, 0x10
je 0x49b625
or dword [ebp - 0xc], 0x10000000
call fcn.004857f1
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x49b64b
call fcn.004820b1
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048209e
mov dword [eax], 0x18
jmp 0x49b6d9
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 0x49b6e5
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x49b6b1
test byte [ebp + 0x10], 1
je 0x49b6b1
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 0x49b6e5
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x675a80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004820c4
pop ecx
call fcn.0048209e
mov eax, dword [eax]
jmp 0x49bb72
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x49b736
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x675a80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004820c4
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x49b6d9
call fcn.0048209e
mov dword [eax], 0xd
jmp 0x49b6d9
cmp eax, 2
jne 0x49b741
or byte [ebp - 1], 0x40
jmp 0x49b74a
cmp eax, 3
jne 0x49b74a
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004855c0
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x675a80]
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 + 0x675a80]
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 0x49b81f
test cl, 0x80
je 0x49b8ef
test byte [ebp + 0x10], 2
je 0x49b81f
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00494abd
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x49b7de
call fcn.004820b1
cmp dword [eax], 0x83
je 0x49b81f
push dword [esi]
call fcn.00485990
jmp 0x49b6d8
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00492f9b
add esp, 0xc
test eax, eax
jne 0x49b80f
cmp byte [ebp - 4], 0x1a
jne 0x49b80f
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0049ef5f
add esp, 0xc
cmp eax, edi
je 0x49b7d2
push ebx
push ebx
push dword [esi]
call fcn.00494abd
add esp, 0xc
cmp eax, edi
je 0x49b7d2
test byte [ebp - 1], 0x80
je 0x49b8ef
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x49b847
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x49b844
or dword [ebp + 0x10], edi
jmp 0x49b847
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x49b894
cmp eax, 0x10000
je 0x49b880
cmp eax, 0x14000
je 0x49b880
cmp eax, 0x20000
je 0x49b88e
cmp eax, 0x24000
je 0x49b88e
cmp eax, 0x40000
je 0x49b87a
cmp eax, 0x44000
jne 0x49b897
mov byte [ebp - 2], 1
jmp 0x49b897
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x49b897
mov byte [ebp - 2], 2
jmp 0x49b897
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x49b8ef
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x49b8ef
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x49ba49
cmp eax, 0x80000000
je 0x49ba10
cmp eax, ecx
jne 0x49b8ef
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49b8ef
cmp eax, 2
jbe 0x49baf1
cmp eax, 4
jbe 0x49b9e2
cmp eax, 5
je 0x49baf1
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x675a80]
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 + 0x675a80]
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 0x49b961
test byte [ebp + 0x10], 8
je 0x49b961
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x675a80]
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 0x49bb70
test byte [ebp + 0x10], 1
je 0x49bb70
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 0x49bb59
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004820c4
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x675a80]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048563d
pop ecx
jmp 0x49b6d8
push 2
push ebx
push ebx
push dword [esi]
call fcn.00499aee
add esp, 0x10
or eax, edx
je 0x49baf1
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00499aee
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x49b7d2
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00492f9b
add esp, 0xc
cmp eax, 0xffffffff
je 0x49b7d2
cmp eax, 2
je 0x49ba95
cmp eax, 3
jne 0x49bae3
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x49ba95
mov byte [ebp - 2], 1
jmp 0x49b8ef
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x49b8ef
cmp eax, 2
jbe 0x49baf1
cmp eax, 4
ja 0x49b8e6
push 2
push ebx
push ebx
push dword [esi]
call fcn.00499aee
add esp, 0x10
or eax, edx
je 0x49baf1
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00499aee
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x49b8ef
jmp 0x49b7d2
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x49babd
push dword [esi]
call fcn.00485990
pop ecx
call fcn.0048209e
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x49bb72
cmp eax, 0xfeff
jne 0x49bae3
push ebx
push 2
push dword [esi]
call fcn.00494abd
add esp, 0xc
cmp eax, 0xffffffff
je 0x49b7d2
mov byte [ebp - 2], 2
jmp 0x49b8ef
push ebx
push ebx
push dword [esi]
call fcn.00494abd
add esp, 0xc
jmp 0x49ba87
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x49bb11
dec eax
jne 0x49b8ef
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x49bb1f
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.004951d1
add esp, 0xc
cmp eax, 0xffffffff
je 0x49bb45
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x49bb1f
jmp 0x49b8ef
push dword [esi]
call fcn.00485990
pop ecx
call fcn.0048209e
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x49bb72
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x675a80]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret