alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Lets Encrypt Free SSL Cert Observed with IDN/Punycode Domain - Possible Phishing"; flow:established,from_server; content:"|55 04 0a|"; content:"|0d|Let|27|s Encrypt"; distance:1; within:14; fast_pattern; content:"|55 04 03|"; distance:0; content:"|78 6e 2d 2d|"; within:25; nocase; reference:url,isc.sans.edu/forums/diary/Tool+to+Detect+Active+Phishing+Attacks+Using+Unicode+LookAlike+Domains/22310/; reference:url,letsencrypt.org/about/; classtype:policy-violation; sid:2024227; rev:2;)

Added 2017-05-05 16:59:06 UTC


alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Lets Encrypt Free SSL Cert Observed with IDN/Punycode Domain - Possible Phishing"; flow:established,from_server; content:"|55 04 0a|"; content:"|0d|Let|27|s Encrypt"; distance:1; within:14; fast_pattern; content:"|55 04 03|"; distance:0; content:"|78 6e 2d 2d|"; within:25; nocase; metadata: former_category INFO; reference:url,isc.sans.edu/forums/diary/Tool+to+Detect+Active+Phishing+Attacks+Using+Unicode+LookAlike+Domains/22310/; reference:url,letsencrypt.org/about/; classtype:policy-violation; sid:2024227; rev:2;)

Added 2017-05-03 17:35:59 UTC


alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Lets Encrypt Free SSL Cert Observed with IDN/Punycode Domain - Possible Phishing"; flow:established,from_server; content:"|55 04 0a|"; content:"|0d|Let|27|s Encrypt"; distance:1; within:14; fast_pattern; content:"|55 04 03|"; distance:0; content:"|78 6e 2d 2d|"; within:25; nocase; reference:url,isc.sans.edu/forums/diary/Tool+to+Detect+Active+Phishing+Attacks+Using+Unicode+LookAlike+Domains/22310/; reference:url,letsencrypt.org/about/; classtype:policy-violation; sid:2024227; rev:2;)

Added 2017-04-20 17:48:43 UTC


Topic revision: r1 - 2017-05-05 - TWikiGuest
 
This site is powered by the TWiki collaboration platform Powered by Perl This site is powered by the TWiki collaboration platformCopyright © Emerging Threats