Versions (6)
Version DetailsCurrent
Rev: 4 • Jul 10, 2019, 12:00 PMET MALWARE VBA/TrojanDownloader.Agent.PAC Retreiving Malicious VBScript
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE VBA/TrojanDownloader.Agent.PAC Retreiving Malicious VBScript"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/open?id="; fast_pattern; depth:9; pcre:"/^(?:[A-Za-z0-9+\x2f]{4})*(?:[A-Za-z0-9+\x2f]{2}==|[A-Za-z0-9+\x2f]{3}=|[A-Za-z0-9+\x2f]{4})$/R"; http.header_names; content:!"Referer"; reference:md5,7489fb981cd054c665e442dfea8ef203; reference:url,blogs.jpcert.or.jp/en/2019/07/spear-phishing-against-cryptocurrency-businesses.html; classtype:trojan-activity; sid:2027697; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_07_10, deployment Perimeter, malware_family VBA_TrojanDownloader_Agent_PAC, performance_impact Moderate, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_01;)
Jul 10, 2019, 12:00 PM
Oct 1, 2025, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 2, 2025, 10:34 PM
rules/emerging-malware.rules