Versions (4)
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Rev: 2 • Jun 16, 2020, 12:00 PMET EXPLOIT AnyDesk UDP Discovery Format String (CVE-2020-13160)
alert udp $EXTERNAL_NET any -> $HOME_NET 50001 (msg:"ET EXPLOIT AnyDesk UDP Discovery Format String (CVE-2020-13160)"; isdataat:16; content:"|3e d1|"; depth:2; byte_test:4,>,16,11,relative,big; pcre:"/^.{11}([\xC0-\xC1]|[\xF5-\xFF]|\xE0[\x80-\x9F]|\xF0[\x80-\x8F]|[\xC2-\xDF](?![\x80-\xBF])|[\xE0-\xEF](?![\x80-\xBF]{2})|[\xF0-\xF4](?![\x80-\xBF]{3})|(?<=[\x00-\x7F\xF5-\xFF])[\x80-\xBF]|(?<![\xC2-\xDF]|[\xE0-\xEF]|[\xE0-\xEF][\x80-\xBF]|[\xF0-\xF4]|[\xF0-\xF4][\x80-\xBF]|[\xF0-\xF4][\x80-\xBF]{2})[\x80-\xBF]|(?<=[\xE0-\xEF])[\x80-\xBF](?![\x80-\xBF])|(?<=[\xF0-\xF4])[\x80-\xBF](?![\x80-\xBF]{2})|(?<=[\xF0-\xF4][\x80-\xBF])[\x80-\xBF](?![\x80-\xBF]))/R"; reference:url,devel0pment.de/?p=1881; reference:cve,2020-13160; classtype:attempted-user; sid:2030348; rev:2; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2020_06_16, cve CVE_2020_13160, deployment Perimeter, performance_impact Significant, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_16;)
Jun 16, 2020, 12:00 PM
Jun 16, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 18, 2025, 8:36 PM
rules/emerging-exploit.rules