alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MalDoc Exfil (2019-12-12)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/info1.php?id=ZG9jdW1lbnRfbmFtZTp"; fast_pattern; http.header_names; content:!"Referer"; reference:url,twitter.com/D3LabIT/status/1205066800054128641; reference:md5,649c2d11a4a58f0101ed016c73355e32; classtype:command-and-control; sid:2029142; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_12_12, deployment Perimeter, malware_family Maldoc, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_12_12;)