alert dns $HOME_NET any -> any any (msg:"ET MALWARE BlackMatter CnC Domain in DNS Lookup (mojobiden .com)"; dns.query; content:"mojobiden.com"; nocase; bsize:13; reference:url,twitter.com/Arkbird_SOLG/status/1421984944792944643; reference:md5,d0512f2063cbd79fb0f770817cc81ab3; classtype:domain-c2; sid:2033636; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_08_02, deployment Perimeter, malware_family DarkSide, performance_impact Low, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_08_02;)