ET MALWARE Observed WallStealer Domain (flashanka .icu in TLS SNI)
Sourceet/open
CreatedApril 14, 2026
UpdatedApril 14, 2026
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed WallStealer Domain (flashanka .icu in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".flashanka.icu"; endswith; fast_pattern; reference:md5,2d829b88d84ad3fcbb2c219f3ccd2651; classtype:trojan-activity; sid:2068726; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_04_14, deployment Perimeter, malware_family WallStealer, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_04_14;)
References
| md5 | 2d829b88d84ad3fcbb2c219f3ccd2651 |
Metadata
attack targetClient_Endpoint
created at2026_04_14
deploymentPerimeter
malware familyWallStealer
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2026_04_14
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