Versions (4)
Version DetailsCurrent
Rev: 2 • Sep 15, 2015, 12:00 PMET MALWARE PE EXE or DLL Windows file download Text
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE PE EXE or DLL Windows file download Text"; flow:established,from_server; file_data; content:"4D5A"; distance:0; byte_jump:8,114,relative,multiplier 2,little,string,hex; content:"50450000"; distance:-126; within:8; classtype:trojan-activity; sid:2021774; rev:2; metadata:created_at 2015_09_15, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Sep 15, 2015, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 15, 2015, 12:00 PM
Nov 10, 2025, 10:34 PM
rules/emerging-malware.rules