alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Konni Related Activity"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/MID/32546678/dn.php?client_id="; fast_pattern; startswith; content:"&prefix="; distance:0; reference:url,twitter.com/ShadowChasing1/status/1374750091001491458; reference:md5,c578189efd31c06b494b78c168cf84dd; classtype:trojan-activity; sid:2032329; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_03_25, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_03_25;)