alert tcp any any -> $HOME_NET any (msg:"ET EXPLOIT Serialized Java Object Generated by ysoserial"; flow:to_server,established; content:"|ac ed 00 05 73 72 00|"; fast_pattern; content:"java/io/Serializable"; nocase; distance:0; content:"ysoserial/payloads/util/Gadgets"; reference:url,github.com/foxglovesec/JavaUnserializeExploits; classtype:misc-activity; sid:2022116; rev:1; metadata:created_at 2015_11_17, confidence Medium, signature_severity Major, tag possible_exploitation, updated_at 2019_07_26;)