alert dns $HOME_NET any -> any any (msg:"ET TROJAN Generic DNS Query for Suspicious CryptoWall? (crpt) Domains"; dns_query; content:"crpt"; fast_pattern; depth:4; pcre:"/^[a-zA-Z0-9]{12}\.onion/R"; reference:url,blogs.cisco.com/security/talos/cryptowall-2; reference:url,researchcenter.paloaltonetworks.com/2014/10/tracking-new-ransomware-cryptowall-2-0/; classtype:misc-activity; sid:2020292; rev:4; metadata:created_at 2015_01_23, updated_at 2021_11_23;)

Added 2021-11-23 22:01:10 UTC


alert dns $HOME_NET any -> any any (msg:"ET TROJAN Generic DNS Query for Suspicious CryptoWall? (crpt) Domains"; dns_query; content:"crpt"; fast_pattern; depth:4; pcre:"/^[a-zA-Z0-9]{12}/R"; reference:url,blogs.cisco.com/security/talos/cryptowall-2; reference:url,researchcenter.paloaltonetworks.com/2014/10/tracking-new-ransomware-cryptowall-2-0/; classtype:misc-activity; sid:2020292; rev:3; metadata:created_at 2015_01_23, updated_at 2020_09_01;)

Added 2021-09-21 19:59:54 UTC


alert dns $HOME_NET any -> any any (msg:"ET TROJAN Generic DNS Query for Suspicious CryptoWall? (crpt) Domains"; dns_query; content:"crpt"; fast_pattern; depth:4; pcre:"/^[a-zA-Z0-9]{12}/R"; reference:url,blogs.cisco.com/security/talos/cryptowall-2; reference:url,researchcenter.paloaltonetworks.com/2014/10/tracking-new-ransomware-cryptowall-2-0/; classtype:misc-activity; sid:2020292; rev:3; metadata:created_at 2015_01_22, updated_at 2020_09_01;)

Added 2020-09-01 18:11:23 UTC


alert dns $HOME_NET any -> any any (msg:"ET TROJAN Generic DNS Query for Suspicious CryptoWall? (crpt) Domains"; dns_query; content:"crpt"; fast_pattern; depth:4; pcre:"/^[a-zA-Z0-9]{12}/R"; reference:url,blogs.cisco.com/security/talos/cryptowall-2; reference:url,researchcenter.paloaltonetworks.com/2014/10/tracking-new-ransomware-cryptowall-2-0/; classtype:misc-activity; sid:2020292; rev:3; metadata:created_at 2015_01_22, updated_at 2019_08_30;)

Added 2019-08-30 19:36:35 UTC


alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET TROJAN Generic DNS Query for Suspicious CryptoWall? (crpt) Domains"; content:"|01|"; offset:2; depth:1; content:"|00 01 00 00 00 00 00|"; distance:1; within:7; content:"|10|crpt"; fast_pattern; distance:0; pcre:"/^[a-zA-Z0-9]{12}/R"; reference:url,blogs.cisco.com/security/talos/cryptowall-2; reference:url,researchcenter.paloaltonetworks.com/2014/10/tracking-new-ransomware-cryptowall-2-0/; classtype:misc-activity; sid:2020292; rev:2; metadata:created_at 2015_01_22, updated_at 2019_08_29;)

Added 2019-08-29 17:59:37 UTC


alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET TROJAN Generic DNS Query for Suspicious CryptoWall? (crpt) Domains"; content:"|01|"; offset:2; depth:1; content:"|00 01 00 00 00 00 00|"; distance:1; within:7; content:"|10|crpt"; fast_pattern; distance:0; pcre:"/^[a-zA-Z0-9]{12}/R"; reference:url,blogs.cisco.com/security/talos/cryptowall-2; reference:url,researchcenter.paloaltonetworks.com/2014/10/tracking-new-ransomware-cryptowall-2-0/; classtype:misc-activity; sid:2020292; rev:2; metadata:created_at 2015_01_22, updated_at 2019_08_28;)

Added 2019-08-28 19:01:20 UTC


alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET TROJAN Generic DNS Query for Suspicious CryptoWall? (crpt) Domains"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; content:"|10|crpt"; fast_pattern; distance:0; pcre:"/^[a-zA-Z0-9]{12}/R"; reference:url,blogs.cisco.com/security/talos/cryptowall-2; reference:url,researchcenter.paloaltonetworks.com/2014/10/tracking-new-ransomware-cryptowall-2-0/; classtype:misc-activity; sid:2020292; rev:1; metadata:created_at 2015_01_22, updated_at 2015_01_22;)

Added 2018-09-13 19:50:28 UTC


Added 2018-09-13 17:59:38 UTC


alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET TROJAN Generic DNS Query for Suspicious CryptoWall? (crpt) Domains"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; content:"|10|crpt"; fast_pattern; distance:0; pcre:"/^[a-zA-Z0-9]{12}/R"; reference:url,blogs.cisco.com/security/talos/cryptowall-2; reference:url,researchcenter.paloaltonetworks.com/2014/10/tracking-new-ransomware-cryptowall-2-0/; classtype:misc-activity; sid:2020292; rev:1; metadata:created_at 2015_01_22, updated_at 2015_01_22;)

Added 2017-08-07 21:14:45 UTC


alert udp $HOME_NET any -> $EXTERNAL_NET 53 (msg:"ET TROJAN Generic DNS Query for Suspicious CryptoWall? (crpt) Domains"; content:"|01 00 00 01 00 00 00 00 00 00|"; depth:10; offset:2; content:"|10|crpt"; fast_pattern; distance:0; pcre:"/^[a-zA-Z0-9]{12}/R"; reference:url,blogs.cisco.com/security/talos/cryptowall-2; reference:url,researchcenter.paloaltonetworks.com/2014/10/tracking-new-ransomware-cryptowall-2-0/; classtype:misc-activity; sid:2020292; rev:1;)

Added 2015-01-22 19:15:30 UTC


Topic revision: r1 - 2021-11-24 - TWikiGuest
 
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