alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Sharik/Smoke CnC? Beacon 8"; flow:established,to_server; content:"POST"; http_method; content:"/"; http_uri; isdataat:!1,relative; content:"Mozilla/5.0 (Windows NT 6.1|3b 20|WOW64|3b 20|Trident/7.0|3b 20|rv:11.0) like Gecko"; http_user_agent; isdataat:!1,relative; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"; http_content_len; byte_test:0,<,100,0,string,dec; http_content_type; content:"application/x-www-form-urlencoded"; http_connection; content:"keep-alive"; nocase; http_header_names; content:"|0d 0a|Cache-Control|0d 0a|Connection|0d 0a|Pragma|0d 0a|Content-Type|0d 0a|"; depth:51; fast_pattern; metadata: former_category TROJAN; reference:md5,5b0e06e3e896d541264a03abef5f30c7; classtype:trojan-activity; sid:2025142; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag Smoke_Loader, signature_severity Major, created_at 2017_12_07, updated_at 2017_12_07;)

Added 2017-12-07 16:36:02 UTC


Topic revision: r1 - 2017-12-07 - TWikiGuest
 
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