alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET MALWARE TA430/Andariel AndarLoader Related Activity M2"; flow:established,to_server; dsize:<20; content:"|08 46 61 63 65 62 6f 6f 6b|"; fast_pattern; startswith; reference:url,asec.ahnlab.com/en/56405/; classtype:trojan-activity; sid:2051138; 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 Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_28; target:src_ip;)