Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE TickGroup BROLER.F CnC Check-in"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/index.php?"; content:!"&"; distance:0; content:"=google"; endswith; fast_pattern; http.request_body; pcre:"/^[a-zA-Z/+=]$/"; http.content_len; content:"72"; http.header_names; content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a|Content-Length|0d 0a|Cache-Control|0d 0a 0d 0a|"; depth:53; endswith; reference:url,documents.trendmicro.com/assets/pdf/Operation-ENDTRADE-TICKs-Multistage-Backdoors-for-Attacking-Industries-and-Stealing-Classified-Data.pdf; reference:md5,285e25e31b498dd1c0827286e9b44cfe; classtype:command-and-control; sid:2029092; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_12_04, deployment Perimeter, performance_impact Significant, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_04;)