#alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET CURRENT_EVENTS Potential W32/Dridex Alphanumeric Download Pattern"; flow:established,to_server; urilen:9<>47; content:"GET"; http_method; content:".exe"; http_uri; offset:6; fast_pattern; content:!"Referer|3A|"; http_header; content:"Accept|3a|"; http_header; pcre:"/^\/(?=[a-z\d]{0,18}(?:[a-z]\d|\d[a-z]|~[a-z])[a-z\d]{0,18}(?:\/[a-z\d]{0,18}(?:[a-z]\d|\d[a-z])[a-z\d]{0,18}){1,2}\.exe$)(?=[a-f\d\x2f\x7e]{0,40}[g-z])[a-z0-9~]{2,20}(?:\/[a-z0-9]{2,20}){1,2}\.exe$/U"; pcre:"/^User-Agent\x3a\x20[^\r\n]+?(?:MSIE|rv\x3a11\.0)/Hmi"; metadata: former_category CURRENT_EVENTS; reference:md5,03c5bfb5c0c7a936ad62ebe03019edd0; classtype:trojan-activity; sid:2021607; rev:6; metadata:created_at 2015_08_10, updated_at 2015_08_10;)

Added 2019-03-05 19:33:58 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET CURRENT_EVENTS Potential W32/Dridex Alphanumeric Download Pattern"; flow:established,to_server; urilen:9<>47; content:"GET"; http_method; content:".exe"; http_uri; offset:6; fast_pattern; content:!"Referer|3A|"; http_header; content:"Accept|3a|"; http_header; pcre:"/^\/(?=[a-z\d]{0,18}(?:[a-z]\d|\d[a-z]|~[a-z])[a-z\d]{0,18}(?:\/[a-z\d]{0,18}(?:[a-z]\d|\d[a-z])[a-z\d]{0,18}){1,2}\.exe$)(?=[a-f\d\x2f\x7e]{0,40}[g-z])[a-z0-9~]{2,20}(?:\/[a-z0-9]{2,20}){1,2}\.exe$/U"; pcre:"/^User-Agent\x3a\x20[^\r\n]+?(?:MSIE|rv\x3a11\.0)/Hmi"; reference:md5,03c5bfb5c0c7a936ad62ebe03019edd0; classtype:trojan-activity; sid:2021607; rev:6; metadata:created_at 2015_08_10, updated_at 2015_08_10;)

Added 2018-09-13 19:51:33 UTC


Added 2018-09-13 18:00:17 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET CURRENT_EVENTS Potential W32/Dridex Alphanumeric Download Pattern"; flow:established,to_server; urilen:9<>47; content:"GET"; http_method; content:".exe"; http_uri; offset:6; fast_pattern; content:!"Referer|3A|"; http_header; content:"Accept|3a|"; http_header; pcre:"/^\/(?=[a-z\d]{0,18}(?:[a-z]\d|\d[a-z]|~[a-z])[a-z\d]{0,18}(?:\/[a-z\d]{0,18}(?:[a-z]\d|\d[a-z])[a-z\d]{0,18}){1,2}\.exe$)(?=[a-f\d\x2f\x7e]{0,40}[g-z])[a-z0-9~]{2,20}(?:\/[a-z0-9]{2,20}){1,2}\.exe$/U"; pcre:"/^User-Agent\x3a\x20[^\r\n]+?(?:MSIE|rv\x3a11\.0)/Hmi"; reference:md5,03c5bfb5c0c7a936ad62ebe03019edd0; classtype:trojan-activity; sid:2021607; rev:6; metadata:created_at 2015_08_10, updated_at 2015_08_10;)

Added 2017-08-07 21:16:18 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET CURRENT_EVENTS Potential W32/Dridex Alphanumeric Download Pattern"; flow:established,to_server; urilen:9<>47; content:"GET"; http_method; content:".exe"; http_uri; offset:6; fast_pattern; content:!"Referer|3A|"; http_header; content:"Accept|3a|"; http_header; pcre:"/^\/(?=[a-z\d]{0,18}(?:[a-z]\d|\d[a-z]|~[a-z])[a-z\d]{0,18}(?:\/[a-z\d]{0,18}(?:[a-z]\d|\d[a-z])[a-z\d]{0,18}){1,2}\.exe$)(?=[a-f\d\x2f\x7e]{0,40}[g-z])[a-z0-9~]{2,20}(?:\/[a-z0-9]{2,20}){1,2}\.exe$/U"; pcre:"/^User-Agent\x3a\x20[^\r\n]+?(?:MSIE|rv\x3a11\.0)/Hmi"; reference:md5,03c5bfb5c0c7a936ad62ebe03019edd0; classtype:trojan-activity; sid:2021607; rev:6;)

Added 2015-11-16 17:43:06 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET CURRENT_EVENTS Potential W32/Dridex Alphanumeric Download Pattern"; flow:established,to_server; urilen:9<>47; content:"GET"; http_method; content:".exe"; http_uri; offset:6; fast_pattern; content:!"Referer|3A|"; http_header; content:!"Accept-Language|3A|"; http_header; content:"Accept|3a|"; http_header; pcre:"/^\/(?=[a-z\d]{0,18}(?:[a-z]\d|\d[a-z]|~[a-z])[a-z\d]{0,18}(?:\/[a-z\d]{0,18}(?:[a-z]\d|\d[a-z])[a-z\d]{0,18}){1,2}\.exe$)(?=[a-f\d\x2f\x7e]{0,40}[g-z])[a-z0-9~]{2,20}(?:\/[a-z0-9]{2,20}){1,2}\.exe$/U"; pcre:"/^User-Agent\x3a\x20[^\r\n]+?(?:MSIE|rv\x3a11\.0)/Hmi"; reference:md5,03c5bfb5c0c7a936ad62ebe03019edd0; classtype:trojan-activity; sid:2021607; rev:5;)

Added 2015-10-26 17:50:23 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET CURRENT_EVENTS Potential W32/Dridex Alphanumeric Download Pattern"; flow:established,to_server; urilen:9<>47; content:"GET"; http_method; content:".exe"; http_uri; offset:6; fast_pattern; content:!"Referer|3A|"; http_header; content:!"Accept-Language|3A|"; http_header; content:"Accept|3a|"; http_header; pcre:"/^\/(?=[a-z\d]{0,18}(?:[a-z]\d|\d[a-z])[a-z\d]{0,18}\/[a-z\d]{0,18}(?:[a-z]\d|\d[a-z])[a-z\d]{0,18}\.exe$)(?=[a-f\d\x2f]{0,40}[g-z])[a-z0-9]{2,20}\/[a-z0-9]{2,20}\.exe$/U"; pcre:"/^User-Agent\x3a\x20[^\r\n]+?(?:MSIE|rv\x3a11\.0)/Hmi"; reference:md5,03c5bfb5c0c7a936ad62ebe03019edd0; classtype:trojan-activity; sid:2021607; rev:4;)

Added 2015-10-13 18:02:06 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET CURRENT_EVENTS Potential W32/Dridex Alphanumeric Download Pattern"; flow:established,to_server; urilen:9<>21; content:"GET"; http_method; content:".exe"; http_uri; offset:6; depth:14; content:!"Referer|3A|"; http_header; content:"Accept|3a|"; http_header; pcre:"/^\/(?=[a-z\d]{0,5}[a-z]\d[a-z\d]{0,5}\/[a-z\d]{0,5}[a-z]\d[a-z\d]{0,5}\.exe$)[a-z0-9]{2,7}\/[a-z0-9]{2,7}\.exe$/U"; reference:md5,03c5bfb5c0c7a936ad62ebe03019edd0; classtype:trojan-activity; sid:2021607; rev:2;)

Added 2015-08-10 20:21:43 UTC


Topic revision: r1 - 2019-03-06 - TWikiGuest
 
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