Re: Banload sigs

[Joel Esler <jesler () sourcefire com>]

Thanks Yaser

Sent from my iPhone

> On Sep 26, 2013, at 9:51 AM, Y M <snort () outlook com> wrote:
>
> The reference is in Spanish, so mind not my bad translation of the alerts' msgs. Quick and dirty signature:
>
> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Trojan.Banload outbound connection 
> attempt"; flow:to_server,established; content:"/v22/mutabixa/"; fast_pattern:only; http_uri; metadata:impact_flag 
> red, policy balanced-ips drop, policy security-ips drop, ruleset community, service http; 
> reference:url,www.nyxbone.com/malware/banload.html; classtype:trojan-activity; sid:100049; rev:1;)
>
> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Trojan.Banload information upload 
> attempt"; flow:to_server,established; content:"/v22/mutabixa/1nf3ct/"; http_uri; content:"chave="; distance:0; 
> http_uri; content:"&url="; distance:0; http_uri; metadata:impact_flag red, policy balanced-ips drop, policy 
> security-ips drop, ruleset community, service http; reference:url,www.nyxbone.com/malware/banload.html; 
> classtype:trojan-activity; sid:100050; rev:1;)
>
> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Trojan.Banload download attempt"; 
> flow:to_server,established; content:".jpg"; http_uri; content:"User-Agent|3A| runddll32.exe"; fast_pattern:only; 
> http_uri; metadata:impact_flag red, policy balanced-ips drop, policy security-ips drop, ruleset community, service 
> http; reference:url,www.nyxbone.com/malware/banload.html; classtype:trojan-activity; sid:100051; rev:1;)
>
> Any help/corrections is appreciated.Thanks.
> YM
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