alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE OSX/LamePyre Screenshot Upload"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php?uid="; pcre:"/^[A-F0-9]{8}-[A-F0-9]{4}-[A-F0-9]{4}-[A-F0-9]{4}-[A-F0-9]{12}$/Ri"; http.user_agent; content:"curl/"; startswith; http.request_body; content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|scr|22 3b 20|filename=|22|"; fast_pattern; content:".png|22 0d 0a|"; within:30; http.header_names; to_lowercase; content:!"|0d 0a|referer|0d 0a|"; reference:md5,1dc949fbb35b816b3046731d8db98a3d; reference:url,objective-see.com/blog/blog_0x3C.html; classtype:trojan-activity; sid:2026823; rev:5; metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2019_01_17, deployment Perimeter, malware_family LamePyre, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2024_05_01;)