Re: Trojan Linkup sig

[Carlos Pacho <cpacho () sourcefire com>]

We will get this rule added to the community ruleset.

Thanks!

Carlos Pacho
Research Engineer, VRT
Sourcefire, now part of Cisco
cpacho () sourcefire com
Sourcefire.com <http://www.sourcefire.com/>


On Tue, Feb 4, 2014 at 1:24 PM, Y M <snort () outlook com> wrote:

> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC
> Win.Trojan.Linkup outbound connection attempt"; flow:to_server,established;
> content:"POST"; http_method; content:"/uplink.php?logo.jpg"; urilen:20;
> http_uri; content:"User-Agent: Mozilla/5.0"; http_header; content:"token=";
> http_client_body; fast_pattern:only; metadata: impact_flag red, policy
> balanced-ips drop, policy security-drop ips, ruleset community, service
> http; reference:url,
> blog.emsisoft.com/2014/02/03/malware-analysis-ransomware-linkup-blocks-dns-and-mines-bitcoins/;
> classtype:trojan-activity; sid: 100155; rev:1;)
>
> Thanks
> YM
>
>
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Take advantage of what the Cloud has to offer - Avoid Common Pitfalls.
Read the Whitepaper.
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