alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32.Crypren/Zcrypt Ransomware Checkin"; flow:established,to_server; content:".php?computerid="; http_uri; pcre:"/\.php\?computerid=[a-fA-F0-9]{32}&(?:public|private)=\d$/U"; content:!"Referer|3a 20|"; http_header; reference:md5,7efb738c2b04aacdd3354d590cb3df47; classtype:trojan-activity; sid:2022897; rev:2; metadata:attack_target Client_Endpoint, created_at 2016_06_14, deployment Perimeter, former_category MALWARE, signature_severity Major, tag Ransomware, updated_at 2020_07_15, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)

Added 2021-10-04 19:24:46 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32.Crypren/Zcrypt Ransomware Checkin"; flow:established,to_server; content:".php?computerid="; http_uri; pcre:"/\.php\?computerid=[a-fA-F0-9]{32}&(?:public|private)=\d$/U"; content:!"Referer|3a 20|"; http_header; reference:md5,7efb738c2b04aacdd3354d590cb3df47; classtype:trojan-activity; sid:2022897; rev:2; metadata:created_at 2016_06_14, former_category MALWARE, updated_at 2020_07_15;)

Added 2020-08-05 19:12:17 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32.Crypren/Zcrypt Ransomware Checkin"; flow:established,to_server; content:".php?computerid="; http_uri; pcre:"/\.php\?computerid=[a-fA-F0-9]{32}&(?:public|private)=\d$/U"; content:!"Referer|3a 20|"; http_header; metadata: former_category MALWARE; reference:md5,7efb738c2b04aacdd3354d590cb3df47; classtype:trojan-activity; sid:2022897; rev:2; metadata:created_at 2016_06_14, updated_at 2020_07_15;)

Added 2020-07-15 18:22:44 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32.Crypren/Zcrypt Ransomware Checkin"; flow:established,to_server; content:".php?computerid="; http_uri; pcre:"/\.php\?computerid=[a-fA-F0-9]{32}&(?:public|private)=\d$/U"; content:!"Referer|3a 20|"; http_header; metadata: former_category MALWARE; reference:md5,7efb738c2b04aacdd3354d590cb3df47; classtype:trojan-activity; sid:2022897; rev:2; metadata:created_at 2016_06_14, updated_at 2016_06_14;)

Added 2019-09-26 19:58:10 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32.Crypren/Zcrypt Ransomware Checkin"; flow:established,to_server; content:".php?computerid="; http_uri; pcre:"/\.php\?computerid=[a-fA-F0-9]{32}&(?:public|private)=\d$/U"; content:!"Referer|3a 20|"; http_header; reference:md5,7efb738c2b04aacdd3354d590cb3df47; classtype:trojan-activity; sid:2022897; rev:2; metadata:created_at 2016_06_14, updated_at 2016_06_14;)

Added 2018-09-13 19:52:40 UTC


Added 2018-09-13 18:00:59 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32.Crypren/Zcrypt Ransomware Checkin"; flow:established,to_server; content:".php?computerid="; http_uri; pcre:"/\.php\?computerid=[a-fA-F0-9]{32}&(?:public|private)=\d$/U"; content:!"Referer|3a 20|"; http_header; reference:md5,7efb738c2b04aacdd3354d590cb3df47; classtype:trojan-activity; sid:2022897; rev:2; metadata:created_at 2016_06_14, updated_at 2016_06_14;)

Added 2017-08-07 21:17:54 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32.Crypren/Zcrypt Ransomware Checkin"; flow:established,to_server; content:".php?computerid="; http_uri; pcre:"/\.php\?computerid=[a-fA-F0-9]{32}&(?:public|private)=\d$/U"; content:!"Referer|3a 20|"; http_header; reference:md5,7efb738c2b04aacdd3354d590cb3df47; classtype:trojan-activity; sid:2022897; rev:2;)

Added 2016-06-15 20:19:59 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32.Crypren/Zcrypt Ransomware Checkin"; flow:established,to_server; content:".php?computerid="; http_uri; pcre:"/\.php\?computerid=[a-fA-F0-9]{32}&(?:public|private)=\d$/U"; content:!"Referer|3a 20|"; http_header; reference:md5,7efb738c2b04aacdd3354d590cb3df47; classtype:trojan-activity; sid:2022897; rev:2;)

Added 2016-06-15 20:18:30 UTC


Topic revision: r1 - 2021-10-04 - TWikiGuest
 
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