alert tcp $EXTERNAL_NET any -> $HOME_NET any (
msg:"ET MALWARE [ANY.RUN] Gh0stBins Checkin";
flow:established,to_client;
dsize:24;
content:"BINS"; depth:4; fast_pattern;
content:"|78 9c 03 00 00 00 00 01|"; distance:12; within:8;
flowbits:set,srvrespghostbins;
reference:url,any.run/cybersecurity-blog/gh0stbins-chinese-rat-malware-analysis/;
classtype:trojan-activity;
sid:2046661; rev:1;
metadata:attack_target Client_Endpoint, created_at 2023_06_26, deployment Perimeter, malware_family GH0stBins, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_26, reviewed_at 2024_12_11;
)