alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Sharik/Smoke CnC? Beacon 12"; flow:established,to_server; content:"POST"; http_method; urilen:<6; content:"/"; http_uri; isdataat:!1,relative; content:!"."; http_uri; content:!"&"; http_uri; pcre:"/(?:MSIE|rv\x3a)/V"; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"; http_content_len; content:"63"; fast_pattern; depth:2; isdataat:!1,relative; http_content_type; content:"application/x-www-form-urlencoded"; http_connection; content:"keep-alive"; nocase; http_header_names; content:"|0d 0a|Content-Type|0d 0a|Accept|0d 0a|Host|0d 0a|Referer|0d 0a|User-Agent"; metadata: former_category TROJAN; reference:md5,6ccf5004f5bd1ffd26a428961a4baf6e; classtype:trojan-activity; sid:2026555; 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 2018_10_25, malware_family Sharik, malware_family SmokeLoader?, performance_impact Low, updated_at 2018_10_25;)

Added 2018-11-07 17:35:31 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Sharik/Smoke CnC? Beacon 12"; flow:established,to_server; content:"POST"; http_method; urilen:3; content:"/"; http_uri; content:"/"; http_uri; distance:1; within:1; pcre:"/(?:MSIE|rv\x3a)/V"; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"; http_content_len; content:"63"; fast_pattern; http_content_type; content:"application/x-www-form-urlencoded"; http_connection; content:"keep-alive"; nocase; http_header_names; content:"|0d 0a|Content-Type|0d 0a|Accept|0d 0a|Host|0d 0a|Referer|0d 0a|User-Agent"; metadata: former_category TROJAN; reference:md5,6ccf5004f5bd1ffd26a428961a4baf6e; classtype:trojan-activity; sid:2026555; 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 2018_10_25, malware_family Sharik, malware_family SmokeLoader?, performance_impact Low, updated_at 2018_10_25;)

Added 2018-10-25 18:06:39 UTC


Topic revision: r1 - 2018-11-07 - TWikiGuest
 
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