Versions (3)
Version DetailsCurrent
Rev: 2 • May 18, 2023, 12:00 PMET RETIRED Stellar Stealer Data Exfiltration Attempt M4
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET RETIRED Stellar Stealer Data Exfiltration Attempt M4"; flow:established,to_server; content:"POST"; http.uri; content:"/index.php"; endswith; http.header_names; content:!"|0d 0a|Referer|0d 0a|"; content:!"|0d 0a|User-Agent|0d 0a|"; http.request_body; content:"Content-Disposition|3a 20|form-data|3b 20|name|3d 22|uploaded_file|22 3b 20|filename|3d 22|"; pcre:"/[A-Za-z0-9]{8}-[a-z0-9]{8}/R"; content:"|2e|35k|22 0d 0a|Content-Type|3a 20|application/octet-stream|0d 0a 0d 0a|Microsoft Windows"; fast_pattern; reference:url,asec.ahnlab.com/ko/52564/; classtype:trojan-activity; sid:2045769; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_05_18, deployment Perimeter, former_category MALWARE, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_10_01, reviewed_at 2024_10_01; target:src_ip;)
May 18, 2023, 12:00 PM
Oct 1, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-retired.rules