alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET TROJAN FlawedGrace? CnC? Activity"; flow:to_server,established; dsize:14; content:"|47 43 52 47|"; offset:4; depth:4; threshold: type both, track by_src, count 10, seconds 60; metadata: former_category TROJAN; reference:md5,2b1215fb65d33fc6206ab227a3b7e75a; classtype:trojan-activity; sid:2026773; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2017_11_01, updated_at 2018_10_16;)

Added 2019-01-10 18:41:40 UTC

Topic revision: r1 - 2019-01-10 - TWikiGuest
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