Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT SUSPICIOUS Grey Advertising Often Leading to EK"; flow:established,from_server; file_data; content:"|69 66 20 28 62 65 66 6f 72 65 53 63 72 69 70 74 53 72 63 20 26 26 20 74 79 70 65 6f 66 20 62 65 66 6f 72 65 53 63 72 69 70 74 53 72 63 20 3d 3d 3d 20 27 73 74 72 69 6e 67 27 29|"; content:"|66 75 6e 63 74 69 6f 6e 20 28 73 72 63 2c 20 61 73 79 6e 63 2c 20 62 65 66 6f 72 65 53 63 72 69 70 74 53 72 63 2c 20 63 61 6c 6c 62 61 63 6b 29|"; reference:url,www.mysonicwall.com/sonicalert/searchresults.aspx?ev=article&id=854; classtype:exploit-kit; sid:2021763; rev:3; metadata:created_at 2015_09_12, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)