Snort mailing list archives
Re: Orbit Downloader DoS
From: Nick Randolph <drandolph () sourcefire com>
Date: Wed, 28 Aug 2013 13:30:49 -0400
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; 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; 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; classtype:trojan-activity; sid:27728; rev:1;) Thanks James On Thu, Aug 22, 2013 at 5:27 PM, James Lay <jlay () slave-tothe-box net> wrote:
That's kind of sad....thought this software had been a round a while (never used it..glad now) alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"PUA-OTHER Orbit Downloader Silent DoS DLL download"; flow:to_server, established; content:"/update/ido.ipl"; http_uri; fast_pattern:only; metadata:policy balanced-ips drop, policy security-ips drop, service http; reference:url, www.welivesecurity.com/2013/08/21/orbital-decay-the-dark-side-of-a-popular-file-downloading-tool ; classtype:unknown; sid:10000090; rev:1;) Anything to make this better? Maybe add header check for "orbit" in the host or...something else? Thanks all. James ------------------------------------------------------------------------------ Introducing Performance Central, a new site from SourceForge and AppDynamics. Performance Central is your source for news, insights, analysis and resources for efficient Application Performance Management. Visit us today! http://pubads.g.doubleclick.net/gampad/clk?id=48897511&iu=/4140/ostg.clktrk _______________________________________________ Snort-sigs mailing list Snort-sigs () lists sourceforge net https://lists.sourceforge.net/lists/listinfo/snort-sigs http://www.snort.org Please visit http://blog.snort.org for the latest news about Snort!
-- Nick Randolph Research Engineer Sourcefire, Inc. nrandolph () sourcefire com Sourcefire.com <http://www.sourcefire.com/>
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Current thread:
- Orbit Downloader DoS James Lay (Aug 22)
- Re: Orbit Downloader DoS Nick Randolph (Aug 28)
- Re: Orbit Downloader DoS James Lay (Aug 28)
- Re: Orbit Downloader DoS Nick Randolph (Aug 28)