alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO PowerShell? Base64 Encoded Content Command Common In Powershell Stagers M1"; flow:established,from_server; file_data; content:"powershell"; fast_pattern; nocase; content:"|20|-e"; nocase; distance:0; pcre:"/^(?:nc)?\s*(?:[A-Z0-9+\/]{4})*(?:[A-Z0-9+\/]{2}==|[A-Z0-9+\/]{3}=)/Ri"; metadata: former_category INFO; classtype:trojan-activity; sid:2026992; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, tag PowerShell?, signature_severity Major, created_at 2019_02_28, performance_impact Low, updated_at 2019_03_05;)

Added 2019-03-05 19:34:00 UTC


alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO PowerShell? Base64 Encoded Content Command Common In Powershell Stagers M1"; flow:established,from_server; file_data; content:"powershell"; fast_pattern; nocase; content:"-e"; nocase; distance:0; pcre:"/^(?:nc)?\s*(?:[A-Z0-9+\/]{4})*(?:[A-Z0-9+\/]{2}==|[A-Z0-9+\/]{3}=)?/Ri"; metadata: former_category INFO; classtype:trojan-activity; sid:2026992; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, tag PowerShell?, signature_severity Major, created_at 2019_02_28, performance_impact Low, updated_at 2019_02_28;)

Added 2019-02-28 17:55:14 UTC



This topic: Main > 2026992
Topic revision: r1 - 2019-03-06 - TWikiGuest
 
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