Versions (4)
Version DetailsCurrent
Rev: 2 • Nov 27, 2019, 12:00 PMET MALWARE Legion Loader Activity Observed (legion)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Legion Loader Activity Observed (legion)"; flow:established,to_server; http.user_agent; content:"legion"; fast_pattern; startswith; http.accept; content:"text/*"; depth:6; endswith; http.header_names; content:"|0d 0a|Accept|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|"; depth:30; classtype:trojan-activity; sid:2029066; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_11_27, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_23;)
Nov 27, 2019, 12:00 PM
Oct 23, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 22, 2025, 9:34 PM
rules/emerging-malware.rules