ET INFO Observed CheckMal AV/Anti-Ransomware Domain (www .checkmal .com in TLS SNI)
Sourceet/open
CreatedMarch 2, 2022
UpdatedFebruary 28, 2023
Classificationbad-unknown
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed CheckMal AV/Anti-Ransomware Domain (www .checkmal .com in TLS SNI)"; flow:established,to_server; tls.sni; content:"www.checkmal.com"; bsize:16; fast_pattern; classtype:bad-unknown; sid:2044381; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_03_02, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_28, former_sid 2851185;)
Metadata
attack targetClient_Endpoint
created at2022_03_02
deploymentPerimeter
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2023_02_28
former sid2851185
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