ET MALWARE Observed Cobalt Strike Domain (support .almersalstore .com in TLS SNI)
Sourceet/open
CreatedMarch 13, 2026
UpdatedMarch 13, 2026
Classificationtrojan-activity
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed Cobalt Strike Domain (support .almersalstore .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".support.almersalstore.com"; endswith; fast_pattern; reference:url,www.proofpoint.com/us/blog/threat-insight/iran-conflict-drives-heightened-espionage-activity-against-middle-east-targets; classtype:trojan-activity; sid:2068210; rev:1; metadata:attack_target Client_Endpoint, created_at 2026_03_13, deployment Perimeter, malware_family Cobalt_Strike, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_03_13;)
Metadata
attack targetClient_Endpoint
created at2026_03_13
deploymentPerimeter
malware familyCobalt_Strike
confidenceHigh
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2026_03_13
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