Versions (5)
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Rev: 4 • Feb 19, 2019, 12:00 PMET ATTACK_RESPONSE PowerShell Execution String Base64 Encoded Invoke-Command (52b2tlLUNvbW1hbm) in DNS TXT Reponse
alert dns any any -> $HOME_NET any (msg:"ET ATTACK_RESPONSE PowerShell Execution String Base64 Encoded Invoke-Command (52b2tlLUNvbW1hbm) in DNS TXT Reponse"; content:!"v=DKIM"; content:"|00 00 10 00 01 c0 0c 00 10 00 01|"; content:"52b2tlLUNvbW1hbm"; distance:0; fast_pattern; reference:url,github.com/no0be/DNSlivery; classtype:bad-unknown; sid:2026943; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_02_19, deployment Perimeter, malware_family DNSlivery, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_12_12;)
Feb 19, 2019, 12:00 PM
Dec 12, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 25, 2025, 9:34 PM
rules/emerging-attack_response.rules