alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE SHubv2.0 CnC Heartbeat";
flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:18;
content:"/api/bot/heartbeat"; fast_pattern;
http.request_body;
content:"|7b 22|bot|5f|id|22|";
content:"build_id";
content:"os_version";
reference:url,securitylabs.datadoghq.com/articles/tech-impersonators-clickfix-and-macos-infostealers;
reference:md5,5d3a849baf1da37696e6aefde1e0f15a;
classtype:command-and-control;
sid:2067676; rev:1;
metadata:affected_product Mac_OSX, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2026_02_13, deployment Perimeter, deployment SSLDecrypt, malware_family SHub, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_02_13;
target:src_ip;
)