alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE OSX/WizardUpdate CnC Activity"; flow:to_server,established; http.method; content:"POST"; http.uri; content:"/checknew"; nocase; endswith; http.request_body; content:"{|22|machine_id|22 3a 20 22|"; depth:16; content:"|22 2c 20 22|model_name|22 3a 20 22|"; fast_pattern; distance:0; content:"|22 2c 20 22|os|22 3a 20 22|"; distance:0; content:"|22 2c 20 22|os_version|22 3a 20 22|"; distance:0; content:"|22 2c 20 22|model_ident"; distance:0; http.header_names; content:!"Referer|0d 0a|"; reference:md5,6a76ee693b3d43ed385ce4b930fe3e30; classtype:trojan-activity; sid:2031531; rev:1; metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2021_01_20, deployment Perimeter, malware_family OSX_WizardUpdate, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_01_20;)