alert tcp $HOME_NET any -> $EXTERNAL_NET [7000:7002] (msg:"ET MALWARE MacOS/Adload Proxy Node Beacon"; flow:established,to_server; content:"|7B 22|peer_id|22 3A|"; offset:0; depth:11; content:"|22 2C 22|connect_version|22|"; distance:0; fast_pattern; content:"|22|action|22|"; distance:0; threshold:type limit, track by_src, count 1, seconds 60; reference:url,cybersecurity.att.com/blogs/labs-research/mac-systems-turned-into-proxy-exit-nodes-by-adload; classtype:bad-unknown; sid:2047629; rev:2; metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2023_08_11, deployment Perimeter, malware_family Adload, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_09;)