alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED Suspicious Request for fs.log"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/fs.log"; fast_pattern; http.header; content:"HOST|3a 20|"; reference:url,www.jamf.com/blog/jtl-malware-pirated-applications/; classtype:trojan-activity; sid:2050249; rev:2; metadata:attack_target Client_Endpoint, created_at 2024_01_19, deployment Perimeter, former_category HUNTING, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_04_17, reviewed_at 2025_04_17; target:src_ip;)