alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE StrongPity Host Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.request_body; content:"name=v"; fast_pattern; startswith; content:"_kt"; within:5; content:"p"; within:3; content:"_"; distance:1; within:1; pcre:"/^name=v[0-9]{1,2}_kt[0-9]{1,2}p[0-9]{1}_[0-9]{8,10}$/i"; reference:md5,e4758783b146b506e0ec42e98ad9e65c; reference:md5,98cca7f2f6ad00771f50e97f97b5b38e; reference:url,twitter.com/HONKONE_K/status/1505920551503626242; classtype:targeted-activity; sid:2035541; rev:5; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_27, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_14;)