alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/NetDooka Framework Related Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.header; content:"|0d 0a|Expect|3a 20|100-continue|0d 0a|"; http.request_body; content:"get_address"; bsize:11; fast_pattern; http.header_names; content:!"Referer|0d 0a|"; reference:url,www.trendmicro.com/en_us/research/22/e/netdooka-framework-distributed-via-privateloader-ppi.html; reference:md5,b9ec139e567f88cf9287676ac431c4ab; classtype:trojan-activity; sid:2036612; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_05_18, deployment Perimeter, malware_family NetDooka, performance_impact Low, confidence High, signature_severity Major, tag RAT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_09_29, reviewed_at 2023_10_11;)