Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Generik.NWVMNHQ Variant Exfil (POST)"; flow:to_server,established; http.method; content:"POST"; http.user_agent; content:"python-requests"; startswith; http.connection; content:"keep-alive"; http.content_type; content:"application/json"; http.request_body; content:"|7b 22|architecture|22 3a 20 22|"; startswith; fast_pattern; content:"|22 2c 20 22|ram|22 3a 20|"; distance:0; content:"|22|cpu|22 3a 20 7b 22|module|22 3a 20 22|"; distance:0; content:"|22 2c 20 22|cores|22 3a 20|"; distance:0; content:"|7d 7d|"; endswith; reference:md5,51c91efa24749ba015039099df44b7e9; reference:url,twitter.com/1ZRR4H/status/1611013038987005954; classtype:trojan-activity; sid:2043235; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_01_06, deployment Perimeter, deployment SSLDecrypt, malware_family Win32_Generik_NWVMNHQ, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_01_06, reviewed_at 2025_10_24;)