Re: Win.Trojan.Bandios

[Phillip Lee <phillile () sourcefire com>]

Yaser,

Thanks for your submission. We will review the rules and get back to you when they're finished. 

Can you send along the pcaps that you have? 

Regards,
Phil Lee
Cisco Talos


> On Apr 3, 2018, at 9:08 AM, Y M via Snort-sigs <snort-sigs () lists snort org> wrote:
>
> Hi,
>
> The below rules are for Win.Trojan.Bandios. Pcaps from the samples in the references are available.
>
> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC Win.Trojan.Bandios outbound connection 
> attempt"; flow:to_server,established; content:"POST"; http_method; content:"/dump/io/"; fast_pattern:only; http_uri; 
> content:".php"; http_uri; content:!"Connection"; http_header; content:!"Referer"; http_header; metadata:ruleset 
> community, service http; 
> reference:url,www.virustotal.com/#/file/3f11ea10cb7dc4ed8e22de64e9218b1c481beb8b6f4bf0c1ba6b021e9e3f6f72/detection 
> <http://www.virustotal.com/#/file/3f11ea10cb7dc4ed8e22de64e9218b1c481beb8b6f4bf0c1ba6b021e9e3f6f72/detection>; 
> reference:url,www.virustotal.com/#/file/ee3302fc5fca16f74a9fed36f14db4139ca3d9f8a4528e67797862dd91b7f5be/detection 
> <http://www.virustotal.com/#/file/ee3302fc5fca16f74a9fed36f14db4139ca3d9f8a4528e67797862dd91b7f5be/detection>; 
> classtype:trojan-activity; sid:9000046; rev:1;)
>
> alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"MALWARE-CNC User-Agent known malicious user-agent string 
> DoPost - Win.Trojan.Bandios"; flow:to_server,established; content:"User-Agent|3A 20|DoPost|0D 0A|"; 
> fast_pattern:only; http_header; metadata:ruleset community, service http; 
> reference:url,www.virustotal.com/#/file/3f11ea10cb7dc4ed8e22de64e9218b1c481beb8b6f4bf0c1ba6b021e9e3f6f72/detection 
> <http://www.virustotal.com/#/file/3f11ea10cb7dc4ed8e22de64e9218b1c481beb8b6f4bf0c1ba6b021e9e3f6f72/detection>; 
> reference:url,www.virustotal.com/#/file/ee3302fc5fca16f74a9fed36f14db4139ca3d9f8a4528e67797862dd91b7f5be/detection 
> <http://www.virustotal.com/#/file/ee3302fc5fca16f74a9fed36f14db4139ca3d9f8a4528e67797862dd91b7f5be/detection>; 
> classtype:trojan-activity; sid:9000047; rev:1;)
>
> Thank you.
> YM

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