alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Pult Downloader Activity"; flow:established,to_server; http.user_agent; content:"UserAgent|3a|Mozilla/5.0|20|(Windows|20|NT|20|6.1|3b 20|"; fast_pattern; startswith; reference:md5,82e3981303bee2eff6d1af17ad51eb32; reference:url,twitter.com/ShadowChasing1/status/1379048935969316871; classtype:trojan-activity; sid:2032525; rev:3; metadata:attack_target Client_Endpoint, created_at 2021_04_06, deployment Perimeter, deployment SSLDecrypt, malware_family DonotGroup, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_12;)