Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT Possible Firefox PDF.js Same-Origin-Bypass CVE-2015-4495 M2"; flow:established,from_server; file_data; content:"|77 69 6e 64 6f 77 73 5f 73 65 61 72 63 68 5f 61 6e 64 5f 75 70 6c 6f 61 64 5f 69 6e 5f 61 70 70 5f 64 61 74 61 5f 62 79 5f 64 69 73 6b|"; nocase; content:"|64 71 2e 61 77 61 69 74 41 6c 6c 28 63 61 6c 6c 62 61 63 6b 29|"; nocase; reference:url,nakedsecurity.sophos.com/2015/08/07/firefox-zero-day-hole-used-against-windows-and-linux-to-steal-passwords/; reference:cve,2015-4495; classtype:attempted-user; sid:2021606; rev:2; metadata:created_at 2015_08_11, cve CVE_2015_4495, confidence Medium, signature_severity Major, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)