{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","favicon":"https://feed.craftedsignal.io/favicon-32x32.png","feed_url":"https://feed.craftedsignal.io/tags/dns-analysis/feed.json","home_page_url":"https://feed.craftedsignal.io/","icon":"https://feed.craftedsignal.io/apple-touch-icon.png","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[],"_cs_exploited":false,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":[],"_cs_severities":["high"],"_cs_tags":["cobalt-strike","command-and-control","network-security","dns-analysis"],"_cs_type":"advisory","_cs_vendors":[],"content_html":"\u003cp\u003eCobalt Strike beacons leverage DNS for C2 operations, often encoding command and control data within DNS query strings. These queries exhibit consistent patterns and subdomains that can be detected via DNS traffic analysis.\u003c/p\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eThe use of DNS for C2 allows attackers to maintain stealthy, long-term persistence and communication channels, potentially bypassing traditional firewalls that permit outbound DNS traffic.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDeploy the provided Sigma rule to your SIEM/log analysis platform to identify known Cobalt Strike DNS beaconing query patterns.\u003c/li\u003e\n\u003cli\u003eBaseline internal DNS request volume to identify anomalous, high-frequency, or patterned subdomains that deviate from typical host traffic.\u003c/li\u003e\n\u003cli\u003eImplement DNS filtering and sinkholing for identified malicious domains if discovered in your network telemetry.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-11-10T02:40:26Z","date_published":"2026-11-10T02:40:26Z","id":"https://feed.craftedsignal.io/briefs/2026-11-cobalt-strike-dns/","summary":"Cobalt Strike beacons utilize specific, recognizable DNS query structures for command and control communication, which can be identified by analyzing network-level DNS telemetry.","title":"Cobalt Strike DNS Beaconing Patterns","url":"https://feed.craftedsignal.io/briefs/2026-11-cobalt-strike-dns/"}],"language":"en","title":"CraftedSignal Threat Feed - Dns-Analysis","version":"https://jsonfeed.org/version/1.1"}