alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/DarkWatchMan Checkin Activity (POST) M2"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/index.php"; endswith; http.header_names; to_lowercase; content:"|0d 0a|x-client-id|0d 0a|x-client-controller|0d 0a|x-client-ut|0d 0a|"; http.content_len; content:"8"; reference:md5,1706c64156d873ebbd0c6ecac95fec39; reference:md5,79b824bb99b4cc4f5da880371de52977; reference:md5,b25b24998800da7b5cf17879f2eb83ed; reference:md5,d68180819bb8eb8207dc6ab74c1a4642; reference:md5,e0cdcf346e98aa22cac5dd6ad1ef53d5; reference:md5,ede6e26ab4fe6d35ddb58613fbdf6b97; reference:md5,1706c64156d873ebbd0c6ecac95fec39; reference:url,securityintelligence.com/x-force/new-hive0117-phishing-campaign-imitates-conscription-summons-deliver-darkwatchman-malware/; classtype:trojan-activity; sid:2048563; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_10_13, deployment Perimeter, malware_family DarkWatchman, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_27, reviewed_at 2024_10_15;)