ET MALWARE Observed Blackguard_v3.5 Domain (ritmflow .online) in TLS SNI
Sourceet/open
CreatedApril 18, 2022
UpdatedMay 10, 2023
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Blackguard_v3.5 Domain (ritmflow .online) in TLS SNI"; flow:established,to_server; tls.sni; content:"ritmflow.online"; bsize:15; fast_pattern; reference:md5,dce3c6ed046018eac08f82942401123d; reference:url,twitter.com/3xp0rtblog/status/1516092338065612804; classtype:trojan-activity; sid:2036247; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_04_18, deployment Perimeter, deprecation_reason Relevance, malware_family Blackguard_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_05_10;)
References
| md5 | dce3c6ed046018eac08f82942401123d |
| url | twitter.com/3xp0rtblog/status/1516092338065612804 |
Metadata
attack targetClient_Endpoint
created at2022_04_18
deploymentPerimeter
deprecation reasonRelevance
malware familyBlackguard_Stealer
performance impactLow
confidenceHigh
signature severityMajor
updated at2023_05_10
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