alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET MALWARE TA430/Andariel AndarLoader Related Activity M1"; flow:established,to_server; dsize:<20; content:"|07 41 6c 69 62 61 62 61|"; fast_pattern; startswith; reference:md5,a714b928bbc7cd480fed85e379966f95; reference:url,asec.ahnlab.com/en/56405/; reference:md5,6ab4eb4c23c9e419fbba85884ea141f4; classtype:trojan-activity; sid:2051136; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_02_28, deployment Perimeter, deployment SSLDecrypt, malware_family TA430, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_28; target:src_ip;)