ET HUNTING Observed Telegram API Domain (api .telegram .org in TLS SNI)
Sourceet/open
CreatedSeptember 16, 2021
UpdatedSeptember 16, 2021
Classificationmisc-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Observed Telegram API Domain (api .telegram .org in TLS SNI)"; flow:established,to_server; tls.sni; content:"api.telegram.org"; bsize:16; fast_pattern; classtype:misc-activity; sid:2033967; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_09_16, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_16;)
Metadata
attack targetClient_Endpoint
created at2021_09_16
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityInformational
tagDescription_Generated_By_Proofpoint_Nexus
updated at2021_09_16
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