alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN APT33/CharmingKitten Shellcode Communicating with CnC?"; flow:established,to_server; dsize:<150; content:"|16 03|"; depth:2; content:"|00|"; distance:1; within:1; content:"|01 00 00|"; distance:1; within:3; content:"|03|"; distance:1; within:1; content:"|5b e0 37|"; distance:1; within:3; fast_pattern; content:"|00|"; distance:0; content:"|00|"; distance:1; within:1; content:"|00|"; distance:1; within:1; threshold: type limit, count 1, seconds 30, track by_dst; metadata: former_category TROJAN; reference:md5,a60f127a06e5b3dcacd1ec346f7995c5; classtype:trojan-activity; sid:2026576; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag APT33_CharmingKitten, tag Shellcode, signature_severity Major, created_at 2018_11_05, malware_family Shellcode, performance_impact Low, updated_at 2018_11_05;)

Added 2018-11-05 17:05:03 UTC

Topic revision: r1 - 2018-11-05 - TWikiGuest
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