Versions (4)
Version DetailsCurrent
Rev: 4 • Sep 12, 2019, 12:00 PMET MALWARE Win32/Filecoder.STOP Variant Public Key Download
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Win32/Filecoder.STOP Variant Public Key Download"; flow:established,to_client; http.stat_code; content:"200"; http.response_body; content:"|7b 22|public_key|22 3a 22|-----BEGIN|26 23 31 36 30 3b|PUBLIC|26 23 31 36 30 3b|KEY-----"; depth:51; fast_pattern; content:"-----END|26 23 31 36 30 3b|PUBLIC|26 23 31 36 30 3b|KEY-----"; content:"|22 2c 22|id|22 3a 22|"; within:12; reference:md5,13f04ff944fa65eddd3e911740837a8a; reference:md5,c0672f0359afba1c24ab0f90f568bdc0; classtype:trojan-activity; sid:2036335; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_09_12, deployment Perimeter, malware_family Win32_Filecoder_STOP, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2020_11_19;)
Sep 12, 2019, 12:00 PM
Nov 19, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules