Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Godlua Backdoor Downloading Encrypted Lua"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".png"; http.user_agent; content:"Mozilla|2f|5.0|20 28|"; pcre:"/^(?:i686|x86_64|arm|mipsel)\-(?:static-linux|w64|iamsatan)\-(?:mingw32|uclibc(?:gnueabi)?)/R"; content:"|29 20|Chrome|2f|20"; within:11; http.referer; content:"https://www.google.com"; endswith; fast_pattern; http.header_names; content:"|0d 0a|Host|0d 0a|Accept|0d 0a|User-Agent|0d 0a|Referer|0d 0a 0d 0a|"; reference:url,blog.netlab.360.com/an-analysis-of-godlua-backdoor-en/; classtype:trojan-activity; sid:2027677; rev:6; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Linux, attack_target Client_Endpoint, created_at 2019_07_03, deployment Perimeter, malware_family Godlua, performance_impact Moderate, confidence High, signature_severity Major, tag Backdoor, updated_at 2020_11_19;)