alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC?)"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00|"; within:30; content:"|55 04 0a|"; distance:0; content:"|0f|Global Security"; distance:1; within:16; fast_pattern; content:"|55 04 0b|"; distance:0; content:"|0d|IT Department"; distance:1; within:14; content:"|55 04 03|"; distance:0; content:"|0b|example."; distance:1; within:9; metadata: former_category TROJAN; reference:url,sslbl.abuse.ch; classtype:trojan-activity; sid:2021013; rev:7; metadata:attack_target Client_Endpoint, deployment Perimeter, tag SSL_Malicious_Cert, signature_severity Major, created_at 2015_04_27, updated_at 2018_05_17;)

Added 2018-05-18 16:58:43 UTC


alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC?)"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00|"; within:30; content:"|55 04 0a|"; distance:0; content:"|0f|Global Security"; distance:1; within:16; fast_pattern; content:"|55 04 0b|"; distance:0; content:"|0d|IT Department"; distance:1; within:14; content:"|55 04 03|"; distance:0; content:"|0b|example."; distance:1; within:9; metadata: former_category TROJAN; reference:url,sslbl.abuse.ch; classtype:trojan-activity; sid:2021013; rev:6; metadata:attack_target Client_Endpoint, deployment Perimeter, tag SSL_Malicious_Cert, signature_severity Major, created_at 2015_04_27, updated_at 2018_05_17;)

Added 2018-05-17 17:09:08 UTC


alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex CnC?)"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00|"; within:30; content:"|55 04 0a|"; distance:0; content:"|0f|Global Security"; distance:1; within:16; fast_pattern; content:"|55 04 0b|"; distance:0; content:"|0d|IT Department"; distance:1; within:14; content:"|55 04 03|"; distance:0; content:"|0b|example."; distance:1; within:9; reference:url,sslbl.abuse.ch; classtype:trojan-activity; sid:2021013; rev:6; metadata:attack_target Client_Endpoint, deployment Perimeter, tag SSL_Malicious_Cert, signature_severity Major, created_at 2015_04_27, updated_at 2016_07_01;)

Added 2017-08-07 21:15:38 UTC


alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex CnC?)"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00|"; within:30; content:"|55 04 0a|"; distance:0; content:"|0f|Global Security"; distance:1; within:16; fast_pattern; content:"|55 04 0b|"; distance:0; content:"|0d|IT Department"; distance:1; within:14; content:"|55 04 03|"; distance:0; content:"|0b|example."; distance:1; within:9; reference:url,sslbl.abuse.ch; classtype:trojan-activity; sid:2021013; rev:6;)

Added 2015-05-13 20:38:20 UTC


alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN Likely Dridex Generic SSL Cert"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00|"; within:30; content:"|55 04 0a|"; distance:0; content:"|0f|Global Security"; distance:1; within:16; fast_pattern; content:"|55 04 0b|"; distance:0; content:"|0d|IT Department"; distance:1; within:14; content:"|55 04 03|"; distance:0; content:"|0b|example.com"; distance:1; within:12; classtype:trojan-activity; sid:2021013; rev:3;)

Added 2015-04-27 18:40:13 UTC


Topic revision: r1 - 2018-05-18 - TWikiGuest
 
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