alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Felismus CnC? Beacon 2"; flow:established,to_server; content:"POST"; http_method; content:"/products.php?"; http_uri; fast_pattern; content:!"Content-Type|3a|"; http_header; content:"Referer|3a|"; http_header; content:"/products.php|0d 0a|"; distance:0; http_header; pcre:"/\.php\?[a-z]{15,}$/U"; pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/P"; threshold:type limit, track by_src, count 1, seconds 600; metadata: former_category MALWARE; reference:url,blogs.forcepoint.com/security-labs/playing-cat-mouse-introducing-felismus-malware; reference:md5,8de3f20d94611e0200c484e42093f447; classtype:trojan-activity; sid:2024177; rev:4; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag Felismus, signature_severity Major, created_at 2017_04_04, malware_family Felismus, performance_impact Low, updated_at 2019_10_07;)

Added 2019-10-08 19:34:44 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Felismus CnC? Beacon 2"; flow:established,to_server; content:"POST"; http_method; content:"/products.php?"; http_uri; fast_pattern:only; content:!"Content-Type|3a|"; http_header; content:"Referer|3a|"; http_header; content:"/products.php|0d 0a|"; distance:0; http_header; pcre:"/\.php\?[a-z]{15,}$/U"; pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/P"; threshold:type limit, track by_src, count 1, seconds 600; metadata: former_category MALWARE; reference:url,blogs.forcepoint.com/security-labs/playing-cat-mouse-introducing-felismus-malware; reference:md5,8de3f20d94611e0200c484e42093f447; classtype:trojan-activity; sid:2024177; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag Felismus, signature_severity Major, created_at 2017_04_04, malware_family Felismus, performance_impact Low, updated_at 2019_09_27;)

Added 2019-09-27 18:53:52 UTC


alert http $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Felismus CnC? Beacon 2"; flow:established,to_server; content:"POST"; http_method; content:"/products.php?"; http_uri; fast_pattern:only; content:!"Content-Type|3a|"; http_header; content:"Referer|3a|"; http_header; content:"/products.php|0d 0a|"; distance:0; http_header; pcre:"/\.php\?[a-z]{15,}$/U"; pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/P"; threshold:type limit, track by_src, count 1, seconds 600; metadata: former_category MALWARE; reference:url,blogs.forcepoint.com/security-labs/playing-cat-mouse-introducing-felismus-malware; reference:md5,8de3f20d94611e0200c484e42093f447; classtype:trojan-activity; sid:2024177; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag Felismus, signature_severity Major, created_at 2017_04_04, malware_family Felismus, performance_impact Low, updated_at 2017_04_04;)

Added 2019-09-19 19:26:47 UTC


alert http $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Felismus CnC? Beacon 2"; flow:established,to_server; content:"POST"; http_method; content:"/products.php?"; http_uri; fast_pattern:only; content:!"Content-Type|3a|"; http_header; content:"Referer|3a|"; http_header; content:"/products.php|0d 0a|"; distance:0; http_header; pcre:"/\.php\?[a-z]{15,}$/U"; pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/P"; threshold:type limit, track by_src, count 1, seconds 600; metadata: former_category TROJAN; reference:url,blogs.forcepoint.com/security-labs/playing-cat-mouse-introducing-felismus-malware; reference:md5,8de3f20d94611e0200c484e42093f447; classtype:trojan-activity; sid:2024177; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, tag Felismus, signature_severity Major, created_at 2017_04_04, malware_family Felismus, performance_impact Low, updated_at 2017_04_04;)

Added 2017-08-07 21:19:30 UTC


alert http $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Felismus CnC? Beacon 2"; flow:established,to_server; content:"POST"; http_method; content:"/products.php?"; http_uri; fast_pattern:only; content:!"Content-Type|3a|"; http_header; content:"Referer|3a|"; http_header; content:"/products.php|0d 0a|"; distance:0; http_header; pcre:"/\.php\?[a-z]{15,}$/U"; pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/P"; threshold:type limit, track by_src, count 1, seconds 600; reference:url,blogs.forcepoint.com/security-labs/playing-cat-mouse-introducing-felismus-malware; reference:md5,8de3f20d94611e0200c484e42093f447; classtype:trojan-activity; sid:2024177; rev:2;)

Added 2017-05-05 16:59:04 UTC


alert http $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Felismus CnC? Beacon 2"; flow:established,to_server; content:"POST"; http_method; content:"/products.php?"; http_uri; fast_pattern:only; content:!"Content-Type|3a|"; http_header; content:"Referer|3a|"; http_header; content:"/products.php|0d 0a|"; distance:0; http_header; pcre:"/\.php\?[a-z]{15,}$/U"; pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/P"; threshold:type limit, track by_src, count 1, seconds 600; metadata: former_category TROJAN; reference:url,blogs.forcepoint.com/security-labs/playing-cat-mouse-introducing-felismus-malware; reference:md5,8de3f20d94611e0200c484e42093f447; classtype:trojan-activity; sid:2024177; rev:2;)

Added 2017-05-03 17:35:48 UTC


alert http $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Felismus CnC? Beacon 2"; flow:established,to_server; content:"POST"; http_method; content:"/products.php?"; http_uri; fast_pattern:only; content:!"Content-Type|3a|"; http_header; content:"Referer|3a|"; http_header; content:"/products.php|0d 0a|"; distance:0; http_header; pcre:"/\.php\?[a-z]{15,}$/U"; pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/P"; threshold:type limit, track by_src, count 1, seconds 600; reference:url,blogs.forcepoint.com/security-labs/playing-cat-mouse-introducing-felismus-malware; reference:md5,8de3f20d94611e0200c484e42093f447; classtype:trojan-activity; sid:2024177; rev:2;)

Added 2017-04-04 18:14:34 UTC



This topic: Main > 2024177
Topic revision: r1 - 2019-10-08 - TWikiGuest
 
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