alert tcp any any -> any any (msg:"BANKER [PTsecurity] Brokewell Checkin"; flow:established, to_server; dsize:>30; stream_size:server, <, 3; content:"ACTV-APKID-"; startswith; threshold:type limit, track by_src, seconds 180, count 1; reference:url, tria.ge/240425-rdxy7abe49/behavioral1; reference:url, www.bitdefender.com/en-us/blog/labs/malvertising-campaign-on-meta-expands-to-android-pushing-advanced-crypto-stealing-malware-to-users-worldwide; reference:url, rules.ptsecurity.com; classtype:trojan-activity; sid:10014653; rev:1;)