alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Ransomware Locky CnC? Beacon"; flow:established,to_server; urilen:9; content:"POST"; http_method; content:"/main.php"; http_uri; fast_pattern; pcre:"/^.{0,15}[^\x20-\x7e\r\n]/Ps"; http_header_names; content:!"Referer"; http_content_len; byte_test:0,<,110,0,string,dec; byte_test:0,>=,100,0,string,dec; http_connection; content:"Keep-Alive"; reference:md5,b06d9dd17c69ed2ae75d9e40b2631b42; classtype:trojan-activity; sid:2022538; rev:6; metadata:attack_target Client_Endpoint, created_at 2016_02_17, deployment Perimeter, former_category MALWARE, signature_severity Major, tag c2, updated_at 2020_08_20, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)

Added 2021-06-18 18:19:31 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Ransomware Locky CnC? Beacon"; flow:established,to_server; urilen:9; content:"POST"; http_method; content:"/main.php"; http_uri; fast_pattern; pcre:"/^.{0,15}[^\x20-\x7e\r\n]/Ps"; http_header_names; content:!"Referer"; http_content_len; byte_test:0,<,110,0,string,dec; byte_test:0,>=,100,0,string,dec; http_connection; content:"Keep-Alive"; reference:md5,b06d9dd17c69ed2ae75d9e40b2631b42; classtype:trojan-activity; sid:2022538; rev:6; metadata:created_at 2016_02_17, former_category MALWARE, updated_at 2020_08_20;)

Added 2020-08-20 17:55:30 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Ransomware Locky CnC? Beacon"; flow:established,to_server; urilen:9; content:"POST"; http_method; content:"/main.php"; http_uri; fast_pattern; pcre:"/^.{0,15}[^\x20-\x7e\r\n]/Ps"; http_header_names; content:!"Referer"; http_content_len; byte_test:0,<,110,0,string,dec; byte_test:0,>=,100,0,string,dec; http_connection; content:"Keep-Alive"; reference:md5,b06d9dd17c69ed2ae75d9e40b2631b42; classtype:trojan-activity; sid:2022538; rev:6; metadata:created_at 2016_02_17, former_category MALWARE, updated_at 2016_02_17;)

Added 2020-08-05 19:12:04 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Ransomware Locky CnC? Beacon"; flow:established,to_server; urilen:9; content:"POST"; http_method; content:"/main.php"; http_uri; fast_pattern; pcre:"/^.{0,15}[^\x20-\x7e\r\n]/Ps"; http_header_names; content:!"Referer"; http_content_len; byte_test:0,<,110,0,string,dec; byte_test:0,>=,100,0,string,dec; http_connection; content:"Keep-Alive"; metadata: former_category MALWARE; reference:md5,b06d9dd17c69ed2ae75d9e40b2631b42; classtype:trojan-activity; sid:2022538; rev:6; metadata:created_at 2016_02_17, updated_at 2016_02_17;)

Added 2019-09-19 19:26:36 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Ransomware Locky CnC? Beacon"; flow:established,to_server; urilen:9; content:"POST"; http_method; content:"/main.php"; http_uri; fast_pattern; pcre:"/^.{0,15}[^\x20-\x7e\r\n]/Ps"; http_header_names; content:!"Referer"; http_content_len; byte_test:0,<,110,0,string,dec; byte_test:0,>=,100,0,string,dec; http_connection; content:"Keep-Alive"; reference:md5,b06d9dd17c69ed2ae75d9e40b2631b42; classtype:trojan-activity; sid:2022538; rev:6; metadata:created_at 2016_02_17, updated_at 2016_02_17;)

Added 2018-09-13 19:52:18 UTC


Added 2018-09-13 18:00:45 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Ransomware Locky CnC? Beacon"; flow:established,to_server; urilen:9; content:"POST"; http_method; content:"/main.php"; http_uri; fast_pattern; content:!"Referer|3a|"; http_header; content:!"Accept"; http_header; content:"Content-Length|3a 20|10"; http_header; content:"|0d 0a|"; distance:1; within:2; http_header; content:"Connection|3a 20|Keep-Alive|0d 0a|"; distance:0; http_header; pcre:"/\.php$/U"; pcre:"/^.{0,15}[^\x20-\x7e\r\n]/Ps"; reference:md5,b06d9dd17c69ed2ae75d9e40b2631b42; classtype:trojan-activity; sid:2022538; rev:5; metadata:created_at 2016_02_17, updated_at 2016_02_17;)

Added 2017-08-07 21:17:27 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Ransomware Locky CnC? Beacon"; flow:established,to_server; urilen:9; content:"POST"; http_method; content:"/main.php"; http_uri; fast_pattern; content:!"Referer|3a|"; http_header; content:!"Accept"; http_header; content:"Content-Length|3a 20|10"; http_header; content:"|0d 0a|"; distance:1; within:2; http_header; content:"Connection|3a 20|Keep-Alive|0d 0a|"; distance:0; http_header; pcre:"/\.php$/U"; pcre:"/^.{0,15}[^\x20-\x7e\r\n]/Ps"; reference:md5,b06d9dd17c69ed2ae75d9e40b2631b42; classtype:trojan-activity; sid:2022538; rev:5;)

Added 2016-03-21 17:01:36 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Ransomware Locky CnC? Beacon"; flow:established,to_server; content:"POST"; http_method; content:".php"; http_uri; content:!"User-Agent|3a|"; http_header; content:!"Content-Type|3a|"; http_header; content:!"Referer|3a|"; http_header; content:!"Accept"; http_header; content:"Content-Length|3a 20|10"; http_header; fast_pattern; content:"|0d 0a|"; distance:1; within:2; http_header; content:"Connection|3a 20|Keep-Alive|0d 0a|"; distance:0; http_header; pcre:"/\.php$/U"; pcre:"/^.{0,15}[^\x20-\x7e\r\n]/Ps"; reference:md5,b06d9dd17c69ed2ae75d9e40b2631b42; classtype:trojan-activity; sid:2022538; rev:4;)

Added 2016-02-19 18:30:41 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Ransomware Locky CnC? Beacon"; flow:established,to_server; content:"POST"; http_method; content:".php"; http_uri; content:!"User-Agent|3a|"; http_header; content:!"Content-Type|3a|"; http_header; content:!"Referer|3a|"; http_header; content:!"Accept"; http_header; content:"Content-Length|3a 20|10"; http_header; fast_pattern; content:"|0d 0a|"; distance:1; within:2; http_header; content:"Connection|3a 20|Keep-Alive|0d 0a|"; distance:0; http_header; pcre:"/\.php$/U"; pcre:"/^.{0,15}[^\x20-\x7e\r\n]/Ps"; pcre:"/^Host\x3a[^\r\n]+\r\nContent-Length\x3a\x2010[01]\r\nConnection\x3a\x20Keep-Alive\r\n(?:Cache-Control|Pragma)\x3a[^\r\n]+\r\n(?:\r\n)?$/Hi"; reference:md5,b06d9dd17c69ed2ae75d9e40b2631b42; classtype:trojan-activity; sid:2022538; rev:3;)

Added 2016-02-18 20:03:00 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Ransomware Locky CnC? Beacon"; flow:established,to_server; content:"POST"; http_method; content:".php"; http_uri; content:!"User-Agent|3a|"; http_header; content:!"Content-Type|3a|"; http_header; content:!"Referer|3a|"; http_header; content:!"Accept"; http_header; content:"Content-Length|3a 20|10"; http_header; fast_pattern; content:"|0d 0a|"; distance:1; within:2; http_header; content:"Connection|3a 20|Keep-Alive|0d 0a|"; distance:0; http_header; pcre:"/\.php$/U"; pcre:"/^.{0,15}[^\x20-\x7e\r\n]/P"; pcre:"/^Host\x3a[^\r\n]+\r\nContent-Length\x3a\x2010[01]\r\nConnection\x3a\x20Keep-Alive\r\n(?:Cache-Control|Pragma)\x3a[^\r\n]+\r\n(?:\r\n)?$/Hi"; reference:md5,b06d9dd17c69ed2ae75d9e40b2631b42; classtype:trojan-activity; sid:2022538; rev:2;)

Added 2016-02-17 17:35:27 UTC


Topic revision: r1 - 2021-06-18 - TWikiGuest
 
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