Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE AMOS CnC Exfiltration - /p2p (POST) M1"; flow:established,to_server; urilen:4; http.method; content:"POST"; http.uri; content:"/p2p"; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; nocase; content:"|0d 0a|uuid|0d 0a|"; http.header; content:"|0d 0a|uuid|3a 20|"; pcre:"/^[a-f0-9]{8}\x2d[a-f0-9]{4}\x2d[a-f0-9]{4}\x2d[a-f0-9]{4}\x2d[a-f0-9]{12}[\r\n]/R"; http.request_body; content:"|50 4b|"; startswith; content:"FileGrabber//NoteStore.sqlite"; fast_pattern; reference:url,go.recordedfuture.com/hubfs/reports/cta-2024-0514.pdf; classtype:trojan-activity; sid:2052604; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_05_14, deployment Perimeter, malware_family AMOSStealer, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_14;)