Versions (3)
Version DetailsCurrent
Rev: 3 • Mar 7, 2023, 12:00 PMET MALWARE Observed Emotet Maldoc Retrieving Payload (2023-03-07) M1
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Emotet Maldoc Retrieving Payload (2023-03-07) M1"; flow:established,to_server; http.method; content:"GET"; http.uri; bsize:<60; content:"/"; startswith; content:"/?0"; fast_pattern; within:50; pcre:"/\/\?0[0-9]{5}(?:&c=\d{1,2})?$/"; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; http.accept; bsize:3; content:"|2a 2f 2a|"; classtype:trojan-activity; sid:2044502; rev:3; metadata:attack_target Client_Endpoint, created_at 2023_03_07, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_09;)
Mar 7, 2023, 12:00 PM
Mar 9, 2023, 12:00 PM
Mar 7, 2023, 11:00 PM
Aug 25, 2025, 9:35 PM
rules/emerging-malware.rules