alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE ActionSpy CnC (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/ps/upinfo"; bsize:10; fast_pattern; http.user_agent; content:"android"; bsize:7; http.header; content:"Content-Encoding|3a 20|encrypted|0d 0a|"; reference:md5,43f1891a9c0d8fc69e273095708d9238; reference:url,blog.trendmicro.com/trendlabs-security-intelligence/new-android-spyware-actionspy-revealed-via-phishing-attacks-from-earth-empusa/; classtype:command-and-control; sid:2030342; rev:3; metadata:attack_target Mobile_Client, created_at 2020_06_15, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_11;)