[Snort-sigs] Win.Trojan.Bandios

Y M snort at outlook.com
Tue Apr 3 09:08:56 EDT 2018


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; reference:url,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; reference:url,www.virustotal.com/#/file/ee3302fc5fca16f74a9fed36f14db4139ca3d9f8a4528e67797862dd91b7f5be/detection; classtype:trojan-activity; sid:9000047; rev:1;)

Thank you.
YM

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