“Hello@Domain.com” Email Addresses

I’ve noticed an increasing trend among companies (especially smaller companies and agencies) to have a “hello@domain.com” email address as the initial point of contact. My understanding of this is that it helps to promote a friendly, human side to the address.

My question is – has there been any research done to back this up? Has anyone shown that this makes people more comfortable (and therefore more likely to get in touch), or is it simply another fad?

How do attackers hit a website with thousands of similar but distinct IP addresses?

I have a website that is being hit with invalid URL requests by thousands of distinct IP addresses, never the same one used twice. Most of them are in a few ranges of IP addresses and often just go up sequentially.

Could this be a zombie botnet of compromised devices, or is it possible the attacker is spoofing these addresses?

The clustering of IP addresses into a handful of ranges seems inconsistent with what I would expect from random devices across the world being compromised and part of a botnet.

User agents are all legitimate and quite varied, but I know that is simple to spoof.

It doesn’t feel like a DDOS attack as it is “just” a few thousand per hour. If they really wanted to DDOS it seems like they would crank the volume up more. Once I adjusted some exception handling I was able to get my server to resume being responsive to legitimate use.

I suspect it is a malicious (poorly constructed) crawler/spider.

Is IP address spoofing easily done and common now in these scenarios?

Is a Buffer Overflow / NOP Slide possible for memory addresses that contain null bytes?

I have been reading up on Buffer Overflows and NOP Sleds. I tried to use the exploit on an example target and I got stuck because I needed to inject a null byte in the return address for my BP so that my program does not crash. I have become aware of the fact that it is not possible to call a C program from command-line with a string that contains null bytes.

So, my questions is how to perform a buffer overflow in case the target memory address contains null bytes? Also, this would make NOP sleds as useless because the return address would contain null bytes as well, right?

Because I am completely new to C programming and exploitation in general it might be that I overlooked something obvious like zeroing out a part of memory after injection to construct a valid memory address but google search did not yield any understandable results for me.

At last, it is always the case that a stored memory address in memory ends with a null byte? Based on my observations I assume this is necessarily the case but there might be other options to interpret stored data as memory addresses without a null byte at the end.

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by: litesecured
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Category: Traffic
Viewed: 317


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by: litesecured
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Category: Traffic
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by: litesecured
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Category: Social Posts & Management
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