alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Citadel Checkin"; flow:established,to_server; content:"POST"; http_method; content:"/file.php"; fast_pattern; http_uri; content:"Content-Length|3a 20|128|0d 0a|"; nocase; http_header; content:!"Referer"; http_header; content:"Accept|3a 20|*/*|0d 0a|User-Agent|3a 20|"; http_header; depth:25; pcre:"/^\/[A-Za-z0-9]+?\/file\.php$/U"; flowbits:set,et.citadel; metadata: former_category MALWARE; reference:md5,280ffd0653d150906a65cd513fcafc27; reference:md5,f1c8cc93d4e0aabd4713621fe271abc8; reference:url,arbornetworks.com/asert/2014/06/the-citadel-and-gameover-campaigns-of-5cb682c10440b2ebaf9f28c1fe438468/; classtype:trojan-activity; sid:2018598; rev:4; metadata:created_at 2014_06_24, updated_at 2019_10_07;)

Added 2019-10-08 19:34:11 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Citadel Checkin"; flow:established,to_server; content:"POST"; http_method; content:"/file.php"; fast_pattern:only; http_uri; content:"Content-Length|3a| 128|0d 0a|"; nocase; http_header; content:!"Referer"; http_header; content:"Accept|3a 20|*/*|0d 0a|User-Agent|3a 20|"; http_header; depth:25; pcre:"/^\/[A-Za-z0-9]+?\/file\.php$/U"; flowbits:set,et.citadel; metadata: former_category MALWARE; reference:md5,280ffd0653d150906a65cd513fcafc27; reference:md5,f1c8cc93d4e0aabd4713621fe271abc8; reference:url,arbornetworks.com/asert/2014/06/the-citadel-and-gameover-campaigns-of-5cb682c10440b2ebaf9f28c1fe438468/; classtype:trojan-activity; sid:2018598; rev:3; metadata:created_at 2014_06_24, updated_at 2014_06_24;)

Added 2019-09-26 19:57:39 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Citadel Checkin"; flow:established,to_server; content:"POST"; http_method; content:"/file.php"; fast_pattern:only; http_uri; content:"Content-Length|3a| 128|0d 0a|"; nocase; http_header; content:!"Referer"; http_header; content:"Accept|3a 20|*/*|0d 0a|User-Agent|3a 20|"; http_header; depth:25; pcre:"/^\/[A-Za-z0-9]+?\/file\.php$/U"; flowbits:set,et.citadel; reference:md5,280ffd0653d150906a65cd513fcafc27; reference:md5,f1c8cc93d4e0aabd4713621fe271abc8; reference:url,arbornetworks.com/asert/2014/06/the-citadel-and-gameover-campaigns-of-5cb682c10440b2ebaf9f28c1fe438468/; classtype:trojan-activity; sid:2018598; rev:3; metadata:created_at 2014_06_24, updated_at 2014_06_24;)

Added 2018-09-13 19:48:54 UTC


Added 2018-09-13 17:58:44 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Citadel Checkin"; flow:established,to_server; content:"POST"; http_method; content:"/file.php"; fast_pattern:only; http_uri; content:"Content-Length|3a| 128|0d 0a|"; nocase; http_header; content:!"Referer"; http_header; content:"Accept|3a 20|*/*|0d 0a|User-Agent|3a 20|"; http_header; depth:25; pcre:"/^\/[A-Za-z0-9]+?\/file\.php$/U"; flowbits:set,et.citadel; reference:md5,280ffd0653d150906a65cd513fcafc27; reference:md5,f1c8cc93d4e0aabd4713621fe271abc8; reference:url,arbornetworks.com/asert/2014/06/the-citadel-and-gameover-campaigns-of-5cb682c10440b2ebaf9f28c1fe438468/; classtype:trojan-activity; sid:2018598; rev:3; metadata:created_at 2014_06_24, updated_at 2014_06_24;)

Added 2017-08-07 21:12:42 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Citadel Checkin"; flow:established,to_server; content:"POST"; http_method; content:"/file.php"; fast_pattern:only; http_uri; content:"Content-Length|3a| 128|0d 0a|"; nocase; http_header; content:!"Referer"; http_header; content:"Accept|3a 20|*/*|0d 0a|User-Agent|3a 20|"; http_header; depth:25; pcre:"/^\/[A-Za-z0-9]+?\/file\.php$/U"; flowbits:set,et.citadel; reference:md5,280ffd0653d150906a65cd513fcafc27; reference:md5,f1c8cc93d4e0aabd4713621fe271abc8; reference:url,arbornetworks.com/asert/2014/06/the-citadel-and-gameover-campaigns-of-5cb682c10440b2ebaf9f28c1fe438468/; classtype:trojan-activity; sid:2018598; rev:3;)

Added 2016-10-18 11:42:26 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Citadel Checkin"; flow:established,to_server; content:"POST"; http_method; content:"/file.php"; fast_pattern:only; http_uri; content:"Content-Length|3a| 128|0d 0a|"; nocase; http_header; content:!"Referer"; http_header; content:"Accept|3a 20|*/*|0d 0a|User-Agent|3a 20|"; http_header; depth:25; pcre:"/^\/[A-Za-z0-9]+?\/file\.php$/U"; flowbits:set,et.citadel; reference:md5,280ffd0653d150906a65cd513fcafc27; reference:md5,f1c8cc93d4e0aabd4713621fe271abc8; reference:url,arbornetworks.com/asert/2014/06/the-citadel-and-gameover-campaigns-of-5cb682c10440b2ebaf9f28c1fe438468/; classtype:trojan-activity; sid:2018598; rev:3;)

Added 2016-10-18 11:39:20 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Citadel Checkin"; flow:established,to_server; content:"POST"; http_method; content:"/file.php"; fast_pattern:only; http_uri; content:"Content-Length|3a| 128|0d 0a|"; nocase; http_header; content:!"Referer"; http_header; pcre:"/^\/[A-Za-z0-9]+?\/file\.php$/U"; flowbits:set,et.citadel; reference:md5,280ffd0653d150906a65cd513fcafc27; reference:md5,f1c8cc93d4e0aabd4713621fe271abc8; reference:url,arbornetworks.com/asert/2014/06/the-citadel-and-gameover-campaigns-of-5cb682c10440b2ebaf9f28c1fe438468/; classtype:trojan-activity; sid:2018598; rev:2;)

Added 2014-06-24 18:44:39 UTC


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