alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Gamaredon APT Related Maldoc Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.host; content:"80.90.181.24"; bsize:13; fast_pattern; http.uri; pcre:"/\/[a-z]{2,5}\.[0-9]{2}\.[0-9]{2}\.gif\/[a-z]{2,20}\/[a-z]{2,20}\.jpeg$/i"; reference:md5,a256df2d6b64cf8b78eb2afdedad96f5; reference:md5,ff732aa3f5b48e34ae2a2142478899fc; reference:url,twitter.com/MavericksInt/status/1660658203833532421; reference:url,twitter.com/DSLab_Ukraine/status/1659168675323162625; classtype:trojan-activity; sid:2045809; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_05_22, deployment Perimeter, malware_family Gamaredon, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_22;)