Versions (5)
Version DetailsCurrent
Rev: 4 • Apr 9, 2014, 12:00 PMET EXPLOIT Possible OpenSSL HeartBleed Large HeartBeat Response (Client Init Vuln Server)
alert tcp $HOME_NET any -> any any (msg:"ET EXPLOIT Possible OpenSSL HeartBleed Large HeartBeat Response (Client Init Vuln Server)"; flow:established,to_client; content:"|18 03|"; depth:2; byte_test:1,<,4,2; flowbits:isset,ET.HB.Request.CI; flowbits:isnotset,ET.HB.Response.CI; flowbits:set,ET.HB.Response.CI; flowbits:unset,ET.HB.Request.CI; byte_test:2,>,150,3; threshold:type limit,track by_src,count 1,seconds 120; reference:cve,2014-0160; reference:url,blog.inliniac.net/2014/04/08/detecting-openssl-heartbleed-with-suricata/; reference:url,heartbleed.com/; reference:url,blog.fox-it.com/2014/04/08/openssl-heartbleed-bug-live-blog/; classtype:bad-unknown; sid:2018377; rev:4; metadata:created_at 2014_04_09, cve CVE_2014_0160, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_08_16;)
Apr 9, 2014, 12:00 PM
Aug 16, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Nov 4, 2025, 10:34 PM
rules/emerging-exploit.rules