Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT Possible Microsoft Edge Chakra.dll Type Confusion (CVE-2016-7200 CVE-2016-7201) Observed in SunDown EK 3"; flow:established,from_server; file_data; content:"|66 75 6e 63 74 69 6f 6e 20 54 72 69 67 67 65 72 46 69 6c 6c 46 72 6f 6d 50 72 6f 74 6f 74 79 70 65 73 42 75 67 28 6c 6f 2c 20 68 69 29|"; nocase; content:"|63 68 61 6b 72 61 42 61 73 65 2e 61 64 64|"; nocase; content:"|73 68 63 6f 64 65 41 64 64 72 2e 61 6e 64|"; nocase; classtype:exploit-kit; sid:2023699; rev:3; metadata:affected_product Microsoft_Edge_Browser, attack_target Client_Endpoint, created_at 2017_01_06, cve CVE_2016_7200, deployment Perimeter, confidence Medium, signature_severity Critical, tag Exploit_Kit_Sundown, tag CISA_KEV, updated_at 2019_07_26;)