Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Scarab APT - HeaderTip CnC Domain in DNS Lookup (ebook .port25 .biz)"; dns.query; content:"ebook.port25.biz"; nocase; bsize:16; reference:url,www.sentinelone.com/labs/chinese-threat-actor-scarab-targeting-ukraine/; reference:md5,bb505ef946a80d9d0ff64923a6ca79d9; classtype:domain-c2; sid:2035912; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_13, deployment Perimeter, malware_family HeaderTip, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_13;)