alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Win32/Vidar Variant/Mars Stealer Resources Download"; flow:established,to_client; http.stat_code; content:"200"; http.response_body; content:"|50 4b|"; startswith; content:"softokn3.dll"; distance:28; within:12; fast_pattern; bsize:>15000; reference:md5,880924e5583978c615dd03ff89648093; reference:url,twitter.com/X__Junior/status/1528046444963323904; classtype:trojan-activity; sid:2036654; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_05_23, deployment Perimeter, malware_family Win32_Vidar, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_23, reviewed_at 2024_12_02;)