Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED [ANY.RUN] PlanetStealer CnC Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/submit/info"; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; http.user_agent; content:"Go-http-client/"; http.request_body; content:"|22|owner_id|22 3a 22|"; content:"|22|bot_id|22 3a 22|"; content:"|22|build_id|22 3a 22|"; content:"|22|statistics|22 3a 7b 22|total_passwords|22 3a|"; fast_pattern; content:"|22|total_cookies|22 3a|"; content:"|22|total_cards|22 3a|"; content:"|22|total_autofills|22 3a|"; content:"|22|total_wallets|22 3a|"; content:"|22|total_bookmarks|22 3a|"; content:"|22|computer|22 3a 7b 22|username|22 3a 22|"; content:"|22|hostname|22 3a 22|"; content:"|22|hwid|22 3a 22|"; pcre:"/^[a-f0-9]{8}-([a-f0-9]{4}-){3}[a-f0-9]{12}\x22/R"; content:"|22|cpu|22 3a 22|"; content:"|22|gpu|22 3a 22|"; content:"|22|windows_version|22 3a 22|Windows"; content:"|22|country|22 3a 22|"; content:"|22|ip|22 3a 22|"; content:"|22|wallets|22 3a|"; content:"|22|credentials|22 3a|"; content:"|22|software|22 3a|"; content:"|22|file|22 3a|"; flowbits:set,ET.PlanetStealer.Checkin; reference:md5,99a0225b149f9a918aaccafa73c42a1f; reference:url,community.emergingthreats.net/t/planetstealer; reference:url,app.any.run/tasks/a55c931e-99d7-4b32-8672-2b5733ae3dd4; classtype:trojan-activity; sid:2051490; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_03_05, deployment Perimeter, former_category MALWARE, malware_family PlanetStealer, performance_impact Low, confidence High, signature_severity Major, tag InfoStealer, tag PlanetStealer, updated_at 2025_07_14, reviewed_at 2025_07_14; target:src_ip;)