PHP.BroBot sig or custom Sig help

L0 Member

PHP.BroBot sig or custom Sig help

Hello,

Is there a signature for PHP.BroBot ?

If there isn't and I need to make a customer one, I have the following details and would like some help on the best action to be used via data patterns.

"Attacks using BroBot tool are to attack DNS servers will result in a large number of UDP packets to port 53 containing a payload of many repeated "A" character (hexadecimal 0x41). "

If the signature has all A's or a bunch of them.. what is the perfect balance of min characters to trigger? is 8 A's enough and then whatever matches 0 or more times after enough?

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