#alert tcp $EXTERNAL_NET any -> $HOME_NET [25667,47000] (msg:"ET TROJAN XServer Backdoor Communication Setup Request"; flow:established,to_server; flowbits:set,ET.XServer.cnc; flowbits:noalert; dsize:10; content:"|05 01 00 01|"; depth:4; fast_pattern; reference:url,resources.fox-it.com/rs/170-CAK-271/images/201912_Report_Operation_Wocao.pdf; classtype:trojan-activity; sid:2029187; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2019_12_23, updated_at 2019_12_23;)

Added 2019-12-23 19:12:44 UTC

Topic revision: r1 - 2019-12-24 - TWikiGuest
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