ET MALWARE Observed Puzzlemaker Remote Shell Domain (media-seoengine .com in TLS SNI)
Sourceet/open
CreatedJune 9, 2021
UpdatedJune 9, 2021
Classificationdomain-c2
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Puzzlemaker Remote Shell Domain (media-seoengine .com in TLS SNI)"; flow:established,to_server; tls.sni; content:"media-seoengine.com"; bsize:19; fast_pattern; reference:url,securelist.com/puzzlemaker-chrome-zero-day-exploit-chain/102771/; reference:md5,d6b850c950379d5ee0f254f7164833e8; classtype:domain-c2; sid:2033127; rev:1; metadata:attack_target Client_and_Server, created_at 2021_06_09, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_06_09, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
References
| url | securelist.com/puzzlemaker-chrome-zero-day-exploit-chain/102771/ |
| md5 | d6b850c950379d5ee0f254f7164833e8 |
Metadata
attack targetClient_and_Server
created at2021_06_09
deploymentPerimeter
performance impactLow
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2021_06_09
mitre tactic idTA0011
mitre tactic nameCommand_And_Control
mitre technique idT1071
mitre technique nameApplication_Layer_Protocol
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