#alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex)"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00|"; distance:9; within:25; content:"|30 09 06 03 55 04 06 13 02|CR|31|"; distance:0; fast_pattern; content:!"|55 04 08|"; distance:0; content:"|55 04 0a|"; distance:0; pcre:"/^.{2}(?!GoDaddy)[A-Z][a-z]+\s[A-Z][a-z]+\s[A-Z]/Rs"; content:"|55 04 03|"; distance:0; pcre:"/^.{2}[a-z]{5,}\.[a-z]{2}[01]/R"; reference:url,sslbl.abuse.ch; classtype:trojan-activity; sid:2022509; rev:2; metadata:attack_target Client_Endpoint, created_at 2016_02_12, deployment Perimeter, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2016_07_01;)

Added 2021-09-21 20:00:32 UTC


#alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex)"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00|"; distance:9; within:25; content:"|30 09 06 03 55 04 06 13 02|CR|31|"; distance:0; fast_pattern; content:!"|55 04 08|"; distance:0; content:"|55 04 0a|"; distance:0; pcre:"/^.{2}(?!GoDaddy)[A-Z][a-z]+\s[A-Z][a-z]+\s[A-Z]/Rs"; content:"|55 04 03|"; distance:0; pcre:"/^.{2}[a-z]{5,}\.[a-z]{2}[01]/R"; reference:url,sslbl.abuse.ch; classtype:trojan-activity; sid:2022509; rev:2; metadata:attack_target Client_Endpoint, created_at 2016_02_11, deployment Perimeter, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2016_07_01;)

Added 2020-08-05 19:12:03 UTC


#alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex)"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00|"; distance:9; within:25; content:"|30 09 06 03 55 04 06 13 02|CR|31|"; distance:0; fast_pattern; content:!"|55 04 08|"; distance:0; content:"|55 04 0a|"; distance:0; pcre:"/^.{2}(?!GoDaddy)[A-Z][a-z]+\s[A-Z][a-z]+\s[A-Z]/Rs"; content:"|55 04 03|"; distance:0; pcre:"/^.{2}[a-z]{5,}\.[a-z]{2}[01]/R"; reference:url,sslbl.abuse.ch; classtype:trojan-activity; sid:2022509; rev:2; metadata:attack_target Client_Endpoint, deployment Perimeter, tag SSL_Malicious_Cert, signature_severity Major, created_at 2016_02_11, updated_at 2016_07_01;)

Added 2020-02-24 20:11:24 UTC


alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex)"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00|"; distance:9; within:25; content:"|30 09 06 03 55 04 06 13 02|CR|31|"; distance:0; fast_pattern; content:!"|55 04 08|"; distance:0; content:"|55 04 0a|"; distance:0; pcre:"/^.{2}(?!GoDaddy)[A-Z][a-z]+\s[A-Z][a-z]+\s[A-Z]/Rs"; content:"|55 04 03|"; distance:0; pcre:"/^.{2}[a-z]{5,}\.[a-z]{2}[01]/R"; reference:url,sslbl.abuse.ch; classtype:trojan-activity; sid:2022509; rev:2; metadata:attack_target Client_Endpoint, deployment Perimeter, tag SSL_Malicious_Cert, signature_severity Major, created_at 2016_02_11, updated_at 2016_07_01;)

Added 2017-08-07 21:17:25 UTC


alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET TROJAN ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex)"; flow:established,from_server; content:"|16|"; content:"|0b|"; within:8; content:"|09 00|"; distance:9; within:25; content:"|30 09 06 03 55 04 06 13 02|CR|31|"; distance:0; fast_pattern; content:!"|55 04 08|"; distance:0; content:"|55 04 0a|"; distance:0; pcre:"/^.{2}(?!GoDaddy)[A-Z][a-z]+\s[A-Z][a-z]+\s[A-Z]/Rs"; content:"|55 04 03|"; distance:0; pcre:"/^.{2}[a-z]{5,}\.[a-z]{2}[01]/R"; reference:url,sslbl.abuse.ch; classtype:trojan-activity; sid:2022509; rev:2;)

Added 2016-02-11 17:38:30 UTC


Topic revision: r1 - 2021-09-22 - TWikiGuest
 
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