alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Pteranodon Variant 3 Backdoor Checkin";
flow:to_server,established;
http.method;
content:"GET";
http.uri;
content:"/index.php?fid="; depth:15;
content:"&versiya="; nocase; distance:0; fast_pattern;
content:"&comp="; nocase; distance:0;
content:"&id="; nocase; distance:0;
content:"&sysinfo="; nocase; distance:0;
reference:md5,2f0f78038c8a2f6177d266c62cadd756;
reference:url,researchcenter.paloaltonetworks.com/2017/02/unit-42-title-gamaredon-group-toolset-evolution/;
classtype:command-and-control;
sid:2024026; rev:3;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_02_28, deployment Perimeter, malware_family Gamaredon, confidence High, signature_severity Minor, updated_at 2020_08_04;
)