alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Maldoc Checkin Activity (GET)";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/Android/iprdr.php"; fast_pattern; bsize:18;
http.user_agent;
content:"|3b 20|ms-office|3b 20|";
http.header_names;
content:!"Referer";
reference:url,twitter.com/Timele9527/status/1435495701329317895;
reference:md5,28ffba0b074218b0c9ff0360d8791bfd;
classtype:trojan-activity;
sid:2033914; rev:1;
metadata:created_at 2021_09_08, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_08, reviewed_at 2023_08_22;
)