alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Locky CnC? Checkin HTTP Pattern"; flow:to_server,established; content:"POST"; http_method; content:"x-requested-with|3a 20|XMLHttpRequest|0d 0a|"; http_header; fast_pattern; content:"www-form-urlencoded|0d 0a|"; http_header; pcre:"/^Referer\x3a\x20http\x3a\x2f\x2f\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\x2f\r?$/Hm"; pcre:"/^(?:[A-Za-z]{1,10}=(?=[A-Za-z0-9_+\x2d\x2e%]*%[A-F0-9]{2}%[A-F0-9]{2}%[A-F0-9]{2})[A-Za-z0-9_+\x2d\x2e%]+&)+(?=[a-z]{0,9}[A-Z])(?=[A-Z]{0,9}[a-z])[A-Za-z]{1,10}=(?=[A-Za-z0-9_+\x2d\x2e%]*%[A-F0-9]{2}%[A-F0-9]{2}%[A-F0-9]{2})[A-Za-z0-9_+\x2d\x2e%]+\s*$/P"; metadata: former_category MALWARE; classtype:trojan-activity; sid:2023577; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2016_12_05, malware_family Locky, performance_impact Low, updated_at 2019_10_07;)

Added 2019-10-08 19:34:41 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Locky CnC? Checkin HTTP Pattern"; flow:to_server,established; content:"POST"; http_method; content:"x-requested-with|3a 20|XMLHttpRequest|0d 0a|"; http_header; fast_pattern:only; content:"www-form-urlencoded|0d 0a|"; http_header; pcre:"/^Referer\x3a\x20http\x3a\x2f\x2f\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\x2f\r?$/Hm"; pcre:"/^(?:[A-Za-z]{1,10}=(?=[A-Za-z0-9_+\x2d\x2e%]*%[A-F0-9]{2}%[A-F0-9]{2}%[A-F0-9]{2})[A-Za-z0-9_+\x2d\x2e%]+&)+(?=[a-z]{0,9}[A-Z])(?=[A-Z]{0,9}[a-z])[A-Za-z]{1,10}=(?=[A-Za-z0-9_+\x2d\x2e%]*%[A-F0-9]{2}%[A-F0-9]{2}%[A-F0-9]{2})[A-Za-z0-9_+\x2d\x2e%]+\s*$/P"; metadata: former_category MALWARE; classtype:trojan-activity; sid:2023577; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2016_12_05, malware_family Locky, performance_impact Low, updated_at 2016_12_05;)

Added 2019-09-19 19:26:44 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Locky CnC? Checkin HTTP Pattern"; flow:to_server,established; content:"POST"; http_method; content:"x-requested-with|3a 20|XMLHttpRequest|0d 0a|"; http_header; fast_pattern:only; content:"www-form-urlencoded|0d 0a|"; http_header; pcre:"/^Referer\x3a\x20http\x3a\x2f\x2f\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\x2f\r?$/Hm"; pcre:"/^(?:[A-Za-z]{1,10}=(?=[A-Za-z0-9_+\x2d\x2e%]*%[A-F0-9]{2}%[A-F0-9]{2}%[A-F0-9]{2})[A-Za-z0-9_+\x2d\x2e%]+&)+(?=[a-z]{0,9}[A-Z])(?=[A-Z]{0,9}[a-z])[A-Za-z]{1,10}=(?=[A-Za-z0-9_+\x2d\x2e%]*%[A-F0-9]{2}%[A-F0-9]{2}%[A-F0-9]{2})[A-Za-z0-9_+\x2d\x2e%]+\s*$/P"; classtype:trojan-activity; sid:2023577; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2016_12_05, malware_family Locky, performance_impact Low, updated_at 2016_12_05;)

Added 2018-09-13 19:53:12 UTC


Added 2018-09-13 18:01:17 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Locky CnC? Checkin HTTP Pattern"; flow:to_server,established; content:"POST"; http_method; content:"x-requested-with|3a 20|XMLHttpRequest|0d 0a|"; http_header; fast_pattern:only; content:"www-form-urlencoded|0d 0a|"; http_header; pcre:"/^Referer\x3a\x20http\x3a\x2f\x2f\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\x2f\r?$/Hm"; pcre:"/^(?:[A-Za-z]{1,10}=(?=[A-Za-z0-9_+\x2d\x2e%]*%[A-F0-9]{2}%[A-F0-9]{2}%[A-F0-9]{2})[A-Za-z0-9_+\x2d\x2e%]+&)+(?=[a-z]{0,9}[A-Z])(?=[A-Z]{0,9}[a-z])[A-Za-z]{1,10}=(?=[A-Za-z0-9_+\x2d\x2e%]*%[A-F0-9]{2}%[A-F0-9]{2}%[A-F0-9]{2})[A-Za-z0-9_+\x2d\x2e%]+\s*$/P"; classtype:trojan-activity; sid:2023577; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2016_12_05, malware_family Locky, performance_impact Low, updated_at 2016_12_05;)

Added 2017-08-07 21:18:45 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Locky CnC? Checkin HTTP Pattern"; flow:to_server,established; content:"POST"; http_method; content:"x-requested-with|3a 20|XMLHttpRequest|0d 0a|"; http_header; fast_pattern:only; content:"www-form-urlencoded|0d 0a|"; http_header; pcre:"/^Referer\x3a\x20http\x3a\x2f\x2f\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\x2f\r?$/Hm"; pcre:"/^(?:[A-Za-z]{1,10}=(?=[A-Za-z0-9_+\x2d\x2e%]*%[A-F0-9]{2}%[A-F0-9]{2}%[A-F0-9]{2})[A-Za-z0-9_+\x2d\x2e%]+&)+(?=[a-z]{0,9}[A-Z])(?=[A-Z]{0,9}[a-z])[A-Za-z]{1,10}=(?=[A-Za-z0-9_+\x2d\x2e%]*%[A-F0-9]{2}%[A-F0-9]{2}%[A-F0-9]{2})[A-Za-z0-9_+\x2d\x2e%]+\s*$/P"; classtype:trojan-activity; sid:2023577; rev:2;)

Added 2016-12-05 17:06:58 UTC


Topic revision: r1 - 2019-10-08 - TWikiGuest
 
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