ET MALWARE Observed Malicious SSL Cert for IRS Credential Phish Domain (supportmicrohere .com)

alert tls $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Observed Malicious SSL Cert for IRS Credential Phish Domain (supportmicrohere .com)";
    flow:established,to_client;
    tls.cert_subject;
    content:"supportmicrohere.com"; fast_pattern;
    pcre:"/CN=(?:[^\r\n]+?\.)?supportmicrohere\.com(?!\.)/";
    reference:url,resecurity.com/blog/article/cybercriminals-deliver-irs-tax-scams-phishing-campaigns-by-mimicking-government-vendors;
    classtype:domain-c2;
    sid:2036360; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2022_04_25, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_25, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities;
)