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We’ve been getting these notifications pretty much on a daily basis and trying to find the problem is like finding a needle in a haystack. https://support.google.com/websearch/answer/86640?hl=en

 

Anyone happen to have a short term solution that could help find the infected computer(s) such as traffic patterns that are being sent to Google? Also a long term solution possibly an anti-malware appliance such as FireEye that could help protect against these types of threats that our Sonicwall IPS cannot? We have a Snort server, but that is more reactive than proactive and there are just too many.

 

 

Thanks,

 

Michael

Comments

Michael:
   Is there any chance that your network is running behind a NAT?

Randall Grimshaw rgrimsha@syr.edu
 
Message from jon@digitalscepter.com

We had a customer with this problem. They started with the assumption that it was malware on the user network. After several days of hunting, they abandoned that idea and tapped a different segment with Palo Alto (could probably user your Sonicwall and Snort instead...or wireshark) and found the offending google requests from a misconfigured reverse-proxy that was allowing the world to use it. HTH.


Jon Robinson
Digital Scepter
desk (951) 461-7868
mobile (562) 682-0821



We’ve been getting these notifications pretty much on a daily basis and trying to find the problem is like finding a needle in a haystack. https://support.google.com/websearch/answer/86640?hl=en

 

Anyone happen to have a short term solution that could help find the infected computer(s) such as traffic patterns that are being sent to Google? Also a long term solution possibly an anti-malware appliance such as FireEye that could help protect against these types of threats that our Sonicwall IPS cannot? We have a Snort server, but that is more reactive than proactive and there are just too many.

 

 

Thanks,

 

Michael

Michael:
   Is there any chance that your network is running behind a NAT?

Randall Grimshaw rgrimsha@syr.edu
 
Message from jon@digitalscepter.com

We had a customer with this problem. They started with the assumption that it was malware on the user network. After several days of hunting, they abandoned that idea and tapped a different segment with Palo Alto (could probably user your Sonicwall and Snort instead...or wireshark) and found the offending google requests from a misconfigured reverse-proxy that was allowing the world to use it. HTH.


Jon Robinson
Digital Scepter
desk (951) 461-7868
mobile (562) 682-0821



We’ve been getting these notifications pretty much on a daily basis and trying to find the problem is like finding a needle in a haystack. https://support.google.com/websearch/answer/86640?hl=en

 

Anyone happen to have a short term solution that could help find the infected computer(s) such as traffic patterns that are being sent to Google? Also a long term solution possibly an anti-malware appliance such as FireEye that could help protect against these types of threats that our Sonicwall IPS cannot? We have a Snort server, but that is more reactive than proactive and there are just too many.

 

 

Thanks,

 

Michael

Michael:
   Is there any chance that your network is running behind a NAT?

Randall Grimshaw rgrimsha@syr.edu
 
Message from jon@digitalscepter.com

We had a customer with this problem. They started with the assumption that it was malware on the user network. After several days of hunting, they abandoned that idea and tapped a different segment with Palo Alto (could probably user your Sonicwall and Snort instead...or wireshark) and found the offending google requests from a misconfigured reverse-proxy that was allowing the world to use it. HTH.


Jon Robinson
Digital Scepter
desk (951) 461-7868
mobile (562) 682-0821



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