alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Kryptik.ABUD Checkin"; flow:established,to_server; content:"/imagedump/image.php?size="; http_uri; content:"&thumbnail="; http_uri; reference:md5,00b714468f1bc2254559dd8fd84186f1; classtype:command-and-control; sid:2014300; rev:1; metadata:created_at 2012_03_02, malware_family Win32_Kryptik_ABUD, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)