Rule History

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Andariel/TA430 Related TigerRAT Client Checkin Response Activity"; flow:established,to_server; flowbits:isset,ET.tigerrat; dsize:33; content:"01ccce480c60fcdb67b54f4509ffdb56|00|"; fast_pattern; reference:url,asec.ahnlab.com/en/59073/; reference:md5,13b4ce1fc26d400d34ede460a8530d93; classtype:trojan-activity; sid:2051623; rev:1; metadata:attack_target Client_Endpoint, tls_state plaintext, created_at 2024_03_12, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_12; target:dest_ip;)