alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Maldoc Retrieving Remote Template (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".dotx?v="; fast_pattern; http.user_agent; content:"|3b 20|ms-office|3b 20|"; http.header_names; content:!"Referer|0d 0a|"; reference:url,twitter.com/ShadowChasing1/status/1522181041489776641; reference:md5,a49bcddba6ec46c5868b46db6202cb76; classtype:trojan-activity; sid:2036463; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_05_05, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_05;)