alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MOBILE_MALWARE Android/InfamousChisel.InfoStealer APT28/SANDWORM Data Exfiltration"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/server.php?ver="; content:"&bid="; within:8; content:"&type="; distance:0; http.user_agent; content:"curl/"; startswith; http.header_names; to_lowercase; content:"|0d 0a|path|0d 0a|"; fast_pattern; content:!"|0d 0a|referer|0d 0a|"; reference:url,www.ncsc.gov.uk/static-assets/documents/malware-analysis-reports/infamous-chisel/NCSC-MAR-Infamous-Chisel.pdf; reference:url,ssu.gov.ua/uploads/files/DKIB/technical-report.pdf; classtype:trojan-activity; sid:2047880; rev:2; metadata:attack_target Mobile_Client, created_at 2023_09_01, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_27, reviewed_at 2023_09_01; target:src_ip;)