alert http1 $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/DuckLogs Malware Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/api.php?type="; startswith; fast_pattern; content:"&uid="; distance:0; content:"&secret="; distance:0; http.header_names; content:"|0d 0a|Host|0d 0a|Connection|0d 0a|Accept-Encoding|0d 0a 0d 0a|"; startswith; reference:md5,d49a7e80d6fc1b64cedbfbe532a35268; reference:url,blog.cyble.com/2022/12/01/ducklogs-new-malware-strain-spotted-in-the-wild/; classtype:trojan-activity; sid:2041654; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_12_02, deployment Perimeter, malware_family DuckLogs, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_03;)