alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Jiripbot CnC 2"; flow:established,to_server; urilen:12; http.method; content:"GET"; http.uri; content:"/checkupdate"; fast_pattern; http.host; content:"jdk."; startswith; content:".org"; distance:0; pcre:"/^jdk\.[a-f0-9]{32}\.org/"; http.user_agent; content:"Mozilla/5.0 (compatible|3b 20|MSIE 10.0|3b 20|Windows NT 6.1|3b 20|Trident/5.0)"; startswith; http.cookie; content:"A="; pcre:"/SSID=[0-9]{5}[0-8][01][a-f0-9]{36}/m"; reference:url,www.symantec.com/connect/blogs/butterfly-profiting-high-level-corporate-attacks; reference:url,securelist.com/blog/research/71275/wild-neutron-economic-espionage-threat-actor-returns-with-new-tricks/; classtype:command-and-control; sid:2021502; rev:6; metadata:created_at 2015_07_21, signature_severity Major, updated_at 2024_03_25;)