Rule History

SID: 2023700 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2 • Jan 6, 2017, 12:00 PM

Message:

ET EXPLOIT Possible Microsoft Edge Chakra.dll Type Confusion (CVE-2016-7200 CVE-2016-7201) Observed in SunDown EK 1

Rule:

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 1"; flow:established,to_client; file_data; content:"0x1DA2F5"; fast_pattern; nocase; content:"0x1DA2CB"; nocase; distance:0; content:"getPrototypeOf"; nocase; content:".__proto__"; nocase; content:"Symbol.species"; reference:cve,2016-7200; reference:url,malware.dontneedcoffee.com/2017/01/CVE-2016-7200-7201.html; classtype:attempted-user; sid:2023700; rev:2; 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;)

Created:

Jan 6, 2017, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-exploit.rules