ET HUNTING Observed Let's Encrypt Certificate for Suspicious TLD (.ml)
Sourceet/open
CreatedJanuary 9, 2018
UpdatedSeptember 16, 2020
Classificationbad-unknown
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING Observed Let's Encrypt Certificate for Suspicious TLD (.ml)"; flow:established,to_client; tls.cert_subject; content:".ml"; endswith; tls.cert_issuer; content:"Let's Encrypt"; classtype:bad-unknown; sid:2025189; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_01_09, deployment Perimeter, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_16;)
Metadata
affected productWindows_XP_Vista_7_8_10_Server_32_64_Bit
attack targetClient_Endpoint
created at2018_01_09
deploymentPerimeter
confidenceMedium
signature severityMinor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2020_09_16
Comments (0)
Please sign in to leave a comment.
Sign inNo comments yet. Be the first to comment!