alert tcp any any -> any any (msg:"BACKDOOR [PTsecurity] AdAptertrAin"; flow:established, to_server; dsize:<128; content:"(XXX)"; depth:16; fast_pattern; content:"(XXX)"; distance:0; pcre:"/^[0-9]{0,6}\x28[X]{3}\x29[0-9]{0,6}\x28[X]{3}\x29[0-9]{0,6}$/"; reference:url, https://tria.ge/240116-da7gkabfck/behavioral3; reference:url, rules.ptsecurity.com; classtype:trojan-activity; sid:10010802; rev:1;)