Re: Orbit Downloader DoS

[James Lay <jlay () slave-tothe-box net>]

On 2013-08-28 11:30, Nick Randolph wrote:
> I added rules to detect other stages of the DDoS update.
>
> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS 
> (msg:"MALWARE-CNC
> Orbit Downloader denial of service update attempt";
> flow:to_server,established; content:"/update/ido.ipl";
> fast_pattern:only; http_uri; metadata:impact_flag red, policy
> balanced-ips drop, policy security-ips drop, ruleset community,
> service http;
>
> reference:url,www.welivesecurity.com/2013/08/21/orbital-decay-the-dark-side-of-a-popular-file-downloading-tool
> [7]; classtype:trojan-activity; sid:27726; rev:1;)
>  alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS
> (msg:"MALWARE-CNC Orbit Downloader denial of service update attempt";
> flow:to_server,established; content:"/update/myinfo.php";
> fast_pattern:only; http_uri; metadata:impact_flag red, policy
> balanced-ips drop, policy security-ips drop, ruleset community,
> service http;
>
> reference:url,www.welivesecurity.com/2013/08/21/orbital-decay-the-dark-side-of-a-popular-file-downloading-tool
> [8]; classtype:trojan-activity; sid:27727; rev:1;)
>  alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS
> (msg:"MALWARE-CNC Orbit Downloader denial of service update attempt";
> flow:to_server,established; content:"/update/param.php?";
> fast_pattern:only; http_uri; metadata:impact_flag red, policy
> balanced-ips drop, policy security-ips drop, ruleset community,
> service http;
>
> reference:url,www.welivesecurity.com/2013/08/21/orbital-decay-the-dark-side-of-a-popular-file-downloading-tool
> [9]; classtype:trojan-activity; sid:27728; rev:1;)
>
> Thanks James


Thanks Nick!

James

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