Re: Detecting administrative share access

[Tewodros Ambasa via Snort-users <snort-users () lists snort org>]

Hello. I have been trying to detect administrative share access on my
network. I have read that the dcerpc2 processor can detect administrative
share access and seems to be enabled by default in the snort.conf but I do
not get any alerts when testing it by accessing \\192.168.1.10\C$ of
\\192.168.1.10\ADMIN$.

I have also created a custom rule to detect administrative access:

alert any any -> $HOME_NET 445 (msg:"Admin share access";
pcre:"/(ADMIN\$)|(C\$)/i"; sid:1000200; rev:001; classtype:misc-activity;)

However, no alerts are triggered. What could the issue be?

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