Re: Identifying Malware in Outbound Traffic

[Henri Salo <henri () nerv fi>]

On Thu, Sep 15, 2011 at 07:08:28PM +0000, hellkyng () gmail com wrote:
> This is an idea we've been playing around with a lot lately. I was hoping the experts here could give us some 
> pointers to improve or modify our process.
>
> We are looking at ways to find existing infections that have evaded anti-virus successfully within our network. We've 
> started doing this by monitoring web traffic for anomalies that we think indicate an infection. For example searching 
> for traffic to sites listed in the Malware Domain list. At a basic level this is finding some interesting results.
>
> But I am curious are other people attempting similar things, if so how are they going about doing so? Any thoughts or 
> recommendations would be appreciated.
>
> Thanks,
> Helly

- http://en.wikipedia.org/wiki/Intrusion_prevention_system
- http://en.wikipedia.org/wiki/Intrusion-detection_system
- http://en.wikipedia.org/wiki/Host_based_intrusion_detection_system
- www-proxies
- Anomaly detection using "smart" firewalls, which can detect traffic in strange times, hosts etc.
- Forced firewall policy
- http://en.wikipedia.org/wiki/Principle_of_least_privilege

Best regards,
Henri Salo

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