ET MALWARE Observed ShadowAgent/TA396 Domain (theoyservices .info in TLS SNI)

SID: 2066172Rev: 10 views
History
Sourceet/open
CreatedDecember 8, 2025
UpdatedDecember 8, 2025
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed ShadowAgent/TA396 Domain (theoyservices .info in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".theoyservices.info"; endswith; fast_pattern; reference:url,ti.qianxin.com/blog/articles/analysis-of-the-attack-activity-of-the-apt-q-38-using-pdf-document-decoys-cn/; classtype:trojan-activity; sid:2066172; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_12_08, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, tag TA396, updated_at 2025_12_08;)

References

urlti.qianxin.com/blog/articles/analysis-of-the-attack-activity-of-the-apt-q-38-using-pdf-document-decoys-cn/

Metadata

attack targetClient_Endpoint
created at2025_12_08
deploymentPerimeter
confidenceHigh
signature severityMajor
tagTA396
updated at2025_12_08

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