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/"; depth:5;
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;
content:!"Referer";
reference:md5,1dc949fbb35b816b3046731d8db98a3d;
reference:url,objective-see.com/blog/blog_0x3C.html;
classtype:trojan-activity;
sid:2026823; rev:3;
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 2020_11_18;
)