Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE [ANY.RUN] LgoogLoader Retrieving Config File"; flow:established,to_server; http.method; content:"HEAD"; http.uri; content:".CfgEncFile"; endswith; http.content_len; byte_test:0,=,0,0,string,dec; http.user_agent; content:"Chrome"; bsize: 6; http.header_names; content:!"Referer|0d 0a|"; reference:md5,d964e6ad2ec6ca6d7ecdfe964a5b10b7; reference:md5,69525fa93fd47eb3c533afe3b1baba48; reference:url,community.emergingthreats.net/t/lgoogloader-pikabot-redline-rules/597/; classtype:trojan-activity; sid:2045974; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_05_31, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_28; target:src_ip;)