alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE WikilLoader Activity M1 (Response)"; flow:established,to_client; flowbits:isset,ET.wikiloader; file.data; content:"<!--gmail|20|"; fast_pattern; content:"Lmlzb"; within:70; reference:url,www.proofpoint.com/us/blog/threat-insight/out-sandbox-wikiloader-digs-sophisticated-evasion; reference:url,app.any.run/tasks/f98aa2c5-deae-408a-8e86-530e7961dfb6/; classtype:trojan-activity; sid:2046967; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_07_31, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_07_31; target:dest_ip;)