alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Manjusaka CnC Server Response"; flow:established,to_client; http.stat_code; content:"200"; http.content_type; content:"image/png"; http.content_len; byte_test:0,=,5,0,string,dec; http.response_body; content:"|1a 1a 6e 04 29|"; fast_pattern; reference:url,blog.talosintelligence.com/2022/08/manjusaka-offensive-framework.html; classtype:trojan-activity; sid:2037888; rev:1; metadata:attack_target Client_and_Server, created_at 2022_08_02, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_02;)