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Rev: 1 • Apr 28, 2022, 12:00 PMET MALWARE TA410 APT LookBack Client HTTP Activity (POST)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TA410 APT LookBack Client HTTP Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/status.php?r="; http.accept; content:"text/html, application/xhtml+xml, */*"; bsize:37; http.content_type; content:"application/x-www-form-urlencoded"; bsize:33; http.accept_enc; content:"gzip, deflate"; bsize:13; http.header_names; content:!"Referer|0d 0a|"; content:"|0d 0a|Host|0d 0a|Content-Length|0d 0a|Connection|0d 0a|Cache-Control|0d 0a 0d 0a|"; endswith; http.request_body; content:"id=1&op=report&status="; fast_pattern; startswith; reference:url,www.welivesecurity.com/2022/04/27/lookback-ta410-umbrella-cyberespionage-ttps-activity/; classtype:trojan-activity; sid:2036412; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_04_28, deployment Perimeter, malware_family TA410, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_28;)
Apr 28, 2022, 12:00 PM
Apr 28, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 3, 2025, 8:34 PM
rules/emerging-malware.rules