alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Citadel.Arx Variant CnC? Beacon 1"; flow:established,to_server; content:"/rssfeed.php?a="; http_uri; pcre:"/rssfeed\.php\?a=[^&]+?&\d+$/U"; content:!"Referer|3a|"; http_header; reference:url,botnetlegalnotice.com/citadel/files/Patel_Decl_Ex20.pdf; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/11/the-dual-use-exploit-cve-2013-3906-used-in-both-targeted-attacks-and-crimeware-campaigns.html; classtype:trojan-activity; sid:2017690; rev:2; metadata:attack_target Client_Endpoint, created_at 2013_11_07, deployment Perimeter, former_category MALWARE, signature_severity Major, tag c2, updated_at 2020_04_27, 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 18:19:14 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Citadel.Arx Variant CnC? Beacon 1"; flow:established,to_server; content:"/rssfeed.php?a="; http_uri; pcre:"/rssfeed\.php\?a=[^&]+?&\d+$/U"; content:!"Referer|3a|"; http_header; reference:url,botnetlegalnotice.com/citadel/files/Patel_Decl_Ex20.pdf; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/11/the-dual-use-exploit-cve-2013-3906-used-in-both-targeted-attacks-and-crimeware-campaigns.html; classtype:trojan-activity; sid:2017690; rev:2; metadata:created_at 2013_11_07, former_category MALWARE, updated_at 2020_04_27;)

Added 2020-08-05 19:09:25 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Citadel.Arx Variant CnC? Beacon 1"; flow:established,to_server; content:"/rssfeed.php?a="; http_uri; pcre:"/rssfeed\.php\?a=[^&]+?&\d+$/U"; content:!"Referer|3a|"; http_header; metadata: former_category MALWARE; reference:url,botnetlegalnotice.com/citadel/files/Patel_Decl_Ex20.pdf; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/11/the-dual-use-exploit-cve-2013-3906-used-in-both-targeted-attacks-and-crimeware-campaigns.html; classtype:trojan-activity; sid:2017690; rev:2; metadata:created_at 2013_11_07, updated_at 2020_04_27;)

Added 2020-04-27 19:10:25 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Citadel.Arx Variant CnC? Beacon 1"; flow:established,to_server; content:"/rssfeed.php?a="; http_uri; pcre:"/rssfeed\.php\?a=[^&]+?&\d+$/U"; content:!"Referer|3a|"; http_header; metadata: former_category MALWARE; reference:url,botnetlegalnotice.com/citadel/files/Patel_Decl_Ex20.pdf; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/11/the-dual-use-exploit-cve-2013-3906-used-in-both-targeted-attacks-and-crimeware-campaigns.html; classtype:trojan-activity; sid:2017690; rev:2; metadata:created_at 2013_11_07, updated_at 2013_11_07;)

Added 2019-09-19 19:25:59 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Citadel.Arx Variant CnC? Beacon 1"; flow:established,to_server; content:"/rssfeed.php?a="; http_uri; pcre:"/rssfeed\.php\?a=[^&]+?&\d+$/U"; content:!"Referer|3a|"; http_header; reference:url,botnetlegalnotice.com/citadel/files/Patel_Decl_Ex20.pdf; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/11/the-dual-use-exploit-cve-2013-3906-used-in-both-targeted-attacks-and-crimeware-campaigns.html; classtype:trojan-activity; sid:2017690; rev:2; metadata:created_at 2013_11_07, updated_at 2013_11_07;)

Added 2018-09-13 19:47:59 UTC


Added 2018-09-13 17:58:10 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN W32/Citadel.Arx Variant CnC? Beacon 1"; flow:established,to_server; content:"/rssfeed.php?a="; http_uri; pcre:"/rssfeed\.php\?a=[^&]+?&\d+$/U"; content:!"Referer|3a|"; http_header; reference:url,botnetlegalnotice.com/citadel/files/Patel_Decl_Ex20.pdf; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/11/the-dual-use-exploit-cve-2013-3906-used-in-both-targeted-attacks-and-crimeware-campaigns.html; classtype:trojan-activity; sid:2017690; rev:2; metadata:created_at 2013_11_07, updated_at 2013_11_07;)

Added 2017-08-07 21:11:37 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN W32/Citadel.Arx Variant CnC? Beacon 1"; flow:established,to_server; content:"/rssfeed.php?a="; http_uri; pcre:"/rssfeed\.php\?a=[^&]+?&\d+$/U"; content:!"Referer|3a|"; http_header; reference:url,botnetlegalnotice.com/citadel/files/Patel_Decl_Ex20.pdf; reference:url,www.fireeye.com/blog/technical/cyber-exploits/2013/11/the-dual-use-exploit-cve-2013-3906-used-in-both-targeted-attacks-and-crimeware-campaigns.html; classtype:trojan-activity; sid:2017690; rev:1;)

Added 2013-11-07 16:21:17 UTC


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