alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Warezov/Stration Challenge"; flow:established,to_server; dsize:1; content:"|38|"; flowbits:noalert; flowbits:set,BEposs.warezov.challenge; reference:url,www.sophos.com/security/analyses/w32strationbo.html; classtype:not-suspicious; sid:2003175; rev:6; metadata:created_at 2010_07_30, signature_severity Unknown, updated_at 2019_07_26;)