Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Possible IE MSMXL Detection of Local DLL (Likely Malicious)"; flow:established,from_server; file_data; content:"res|3a|"; nocase; content:"loadXML"; nocase; content:"parseError"; nocase; content:"errorCode"; nocase; content:"-2147023083"; fast_pattern; content:".dll"; classtype:trojan-activity; sid:2021429; rev:3; metadata:created_at 2015_07_16, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_08;)