alert tcp $HOME_NET any -> $EXTERNAL_NET [445,139] (msg:"ET TROJAN Possible CryptXXX? Ransomware Renaming Encrypted File SMB v2"; flow:to_server,established; content:"|FE|SMB"; offset:4; depth:4; content:"|11 00|"; distance:8; within:2; content:"|00|.|00|c|00|r|00|y|00|p|00|t|00|"; nocase; distance:0; fast_pattern; pcre:"/^[^A-Za-z0-9]/R"; classtype:trojan-activity; sid:2022840; rev:2; metadata:attack_target Client_Endpoint, created_at 2016_05_25, deployment Perimeter, former_category MALWARE, signature_severity Major, tag Ransomware, updated_at 2016_05_25, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;)

Added 2021-10-04 19:24:45 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET [445,139] (msg:"ET TROJAN Possible CryptXXX? Ransomware Renaming Encrypted File SMB v2"; flow:to_server,established; content:"|FE|SMB"; offset:4; depth:4; content:"|11 00|"; distance:8; within:2; content:"|00|.|00|c|00|r|00|y|00|p|00|t|00|"; nocase; distance:0; fast_pattern; pcre:"/^[^A-Za-z0-9]/R"; classtype:trojan-activity; sid:2022840; rev:2; metadata:created_at 2016_05_25, updated_at 2016_05_25;)

Added 2018-09-13 19:52:36 UTC


Added 2018-09-13 18:00:56 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET [445,139] (msg:"ET TROJAN Possible CryptXXX? Ransomware Renaming Encrypted File SMB v2"; flow:to_server,established; content:"|FE|SMB"; offset:4; depth:4; content:"|11 00|"; distance:8; within:2; content:"|00|.|00|c|00|r|00|y|00|p|00|t|00|"; nocase; distance:0; fast_pattern; pcre:"/^[^A-Za-z0-9]/R"; classtype:trojan-activity; sid:2022840; rev:2; metadata:created_at 2016_05_25, updated_at 2016_05_25;)

Added 2017-08-07 21:17:50 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET [445,139] (msg:"ET TROJAN Possible CryptXXX? Ransomware Renaming Encrypted File SMB v2"; flow:to_server,established; content:"|FE|SMB"; offset:4; depth:4; content:"|11 00|"; distance:8; within:2; content:"|00|.|00|c|00|r|00|y|00|p|00|t|00|"; nocase; distance:0; fast_pattern; pcre:"/^[^A-Za-z0-9]/R"; classtype:trojan-activity; sid:2022840; rev:2;)

Added 2017-06-01 15:36:37 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET [445,139] (msg:"ET TROJAN Possible CryptXXX? Ransomware Renaming Encrypted File SMB v2"; flow:to_server,established; content:"|FE|SMB"; offset:4; depth:4; content:"|11 00|"; distance:8; within:2; content:"|00|.|00|c|00|r|00|y|00|p|00|t|00|"; nocase; distance:0; fast_pattern; pcre:"/^[^A-Za-z0-9]/R"; classtype:trojan-activity; sid:2022840; rev:2;)

Added 2017-05-31 17:12:35 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET [445,139] (msg:"ET TROJAN Possible CryptXXX? Ransomware Renaming Encrypted File SMB v2"; flow:to_server,established; content:"|FE|SMB"; offset:4; depth:4; content:"|11 00|"; distance:8; within:2; content:"|00|.|00|c|00|r|00|y|00|p|00|t|00|"; nocase; distance:0; fast_pattern; classtype:trojan-activity; sid:2022840; rev:1;)

Added 2016-05-25 19:02:07 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET [445,139] (msg:"ET TROJAN Possible CryptXXX? Ransomware Renaming Encrypted File SMB v2"; flow:to_server,established; content:"|FE|SMB"; offset:4; depth:4; content:"|11 00|"; distance:8; within:2; content:"|00|.|00|c|00|r|00|y|00|p|00|t|00|"; nocase; distance:0; fast_pattern; classtype:trojan-activity; sid:2022840; rev:1;)

Added 2016-05-25 17:50:12 UTC



This topic: Main > 2022840
Topic revision: r1 - 2021-10-04 - TWikiGuest
 
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