alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Chthonic CnC? Beacon 6"; flow:established,to_server; content:"POST"; http_method; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"; content:"User-Agent|3a 20|Mozilla/7."; http_header; fast_pattern; http_request_line; content:"/ HTTP/1.1"; http_header_names; content:"|0d 0a|Accept|0d 0a|User-Agent|0d 0a|Host|0d 0a|Content-Length|0d 0a|Connection|0d 0a|"; depth:56; content:!"Accept-"; content:!"Content-Type"; content:!"Referer|0d 0a|"; http_accept; content:"*/*"; depth:3; isdataat:!1,relative; http_content_len; content:!"0"; reference:md5,97369af278cc004ce390f68ae94013b6; classtype:trojan-activity; sid:2020946; rev:4; metadata:attack_target Client_Endpoint, created_at 2015_04_17, deployment Perimeter, former_category MALWARE, signature_severity Major, tag c2, updated_at 2020_10_28, 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 18:19:25 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Chthonic CnC? Beacon 6"; flow:established,to_server; content:"POST"; http_method; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"; content:"User-Agent|3a 20|Mozilla/7."; http_header; fast_pattern; http_request_line; content:"/ HTTP/1.1"; http_header_names; content:"|0d 0a|Accept|0d 0a|User-Agent|0d 0a|Host|0d 0a|Content-Length|0d 0a|Connection|0d 0a|"; depth:56; content:!"Accept-"; content:!"Content-Type"; content:!"Referer|0d 0a|"; http_accept; content:"*/*"; depth:3; isdataat:!1,relative; http_content_len; content:!"0"; reference:md5,97369af278cc004ce390f68ae94013b6; classtype:trojan-activity; sid:2020946; rev:4; metadata:created_at 2015_04_17, former_category MALWARE, updated_at 2020_10_28;)

Added 2020-10-29 17:53:24 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Chthonic CnC? Beacon 6"; flow:established,to_server; content:"POST"; http_method; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"; content:"User-Agent|3a 20|Mozilla/7."; http_header; fast_pattern; http_request_line; content:"/ HTTP/1.1"; http_header_names; content:"|0d 0a|Accept|0d 0a|User-Agent|0d 0a|Host|0d 0a|Content-Length|0d 0a|Connection|0d 0a|"; depth:56; content:!"Accept-"; content:!"Content-Type"; content:!"Referer|0d 0a|"; http_accept; content:"*/*"; depth:3; isdataat:!1,relative; http_content_len; content:!"0"; reference:md5,97369af278cc004ce390f68ae94013b6; classtype:trojan-activity; sid:2020946; rev:4; metadata:created_at 2015_04_17, former_category MALWARE, updated_at 2020_02_10;)

Added 2020-08-05 19:11:09 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Chthonic CnC? Beacon 6"; flow:established,to_server; content:"POST"; http_method; content:!"Accept-"; http_header; content:!"Content-Type|3a|"; http_header; content:!"Referer|3a|"; http_header; content:!"Content-Length|3a 20|0|0d 0a|"; http_header; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"; content:"/ HTTP/1.1"; content:"Accept|3a 20|*/*|0d 0a|User-Agent|3a 20|Mozilla/7."; depth:35; http_header; pcre:"/^[^\r\n]+\r\nHost\x3a[^\r\n]+\r\nContent-Length\x3a\x20\d+\r\nConnection\x3a\x20Keep-Alive\r\n(?:Cache-Control|Pragma)\x3a\x20no-cache\r\n(?:\r\n)?$/RHmi"; metadata: former_category MALWARE; reference:md5,97369af278cc004ce390f68ae94013b6; classtype:trojan-activity; sid:2020946; rev:3; metadata:created_at 2015_04_17, updated_at 2020_02_10;)

Added 2020-02-10 20:08:05 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Chthonic CnC? Beacon 6"; flow:established,to_server; content:"POST"; http_method; content:!"Accept-"; http_header; content:!"Content-Type|3a|"; http_header; content:!"Referer|3a|"; http_header; content:!"Content-Length|3a 20|0|0d 0a|"; http_header; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"; content:"/ HTTP/1.1"; content:"Accept|3a 20|*/*|0d 0a|User-Agent|3a 20|Mozilla/7."; depth:35; http_header; pcre:"/^[^\r\n]+\r\nHost\x3a[^\r\n]+\r\nContent-Length\x3a\x20\d+\r\nConnection\x3a\x20Keep-Alive\r\n(?:Cache-Control|Pragma)\x3a\x20no-cache\r\n(?:\r\n)?$/RHmi"; metadata: former_category MALWARE; reference:md5,97369af278cc004ce390f68ae94013b6; classtype:trojan-activity; sid:2020946; rev:3; metadata:created_at 2015_04_17, updated_at 2015_04_17;)

Added 2019-09-19 19:26:20 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Chthonic CnC? Beacon 6"; flow:established,to_server; content:"POST"; http_method; content:!"Accept-"; http_header; content:!"Content-Type|3a|"; http_header; content:!"Referer|3a|"; http_header; content:!"Content-Length|3a 20|0|0d 0a|"; http_header; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"; content:"/ HTTP/1.1"; content:"Accept|3a 20|*/*|0d 0a|User-Agent|3a 20|Mozilla/7."; depth:35; http_header; pcre:"/^[^\r\n]+\r\nHost\x3a[^\r\n]+\r\nContent-Length\x3a\x20\d+\r\nConnection\x3a\x20Keep-Alive\r\n(?:Cache-Control|Pragma)\x3a\x20no-cache\r\n(?:\r\n)?$/RHmi"; reference:md5,97369af278cc004ce390f68ae94013b6; classtype:trojan-activity; sid:2020946; rev:3; metadata:created_at 2015_04_17, updated_at 2015_04_17;)

Added 2018-09-13 19:51:03 UTC


Added 2018-09-13 17:59:58 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Chthonic CnC? Beacon 6"; flow:established,to_server; content:"POST"; http_method; content:!"Accept-"; http_header; content:!"Content-Type|3a|"; http_header; content:!"Referer|3a|"; http_header; content:!"Content-Length|3a 20|0|0d 0a|"; http_header; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"; content:"/ HTTP/1.1"; content:"Accept|3a 20|*/*|0d 0a|User-Agent|3a 20|Mozilla/7."; depth:35; http_header; pcre:"/^[^\r\n]+\r\nHost\x3a[^\r\n]+\r\nContent-Length\x3a\x20\d+\r\nConnection\x3a\x20Keep-Alive\r\n(?:Cache-Control|Pragma)\x3a\x20no-cache\r\n(?:\r\n)?$/RHmi"; reference:md5,97369af278cc004ce390f68ae94013b6; classtype:trojan-activity; sid:2020946; rev:3; metadata:created_at 2015_04_17, updated_at 2015_04_17;)

Added 2017-08-07 21:15:33 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Chthonic CnC? Beacon 6"; flow:established,to_server; content:"POST"; http_method; content:!"Accept-"; http_header; content:!"Content-Type|3a|"; http_header; content:!"Referer|3a|"; http_header; content:!"Content-Length|3a 20|0|0d 0a|"; http_header; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"; content:"/ HTTP/1.1"; content:"Accept|3a 20|*/*|0d 0a|User-Agent|3a 20|Mozilla/7."; depth:35; http_header; pcre:"/^[^\r\n]+\r\nHost\x3a[^\r\n]+\r\nContent-Length\x3a\x20\d+\r\nConnection\x3a\x20Keep-Alive\r\n(?:Cache-Control|Pragma)\x3a\x20no-cache\r\n(?:\r\n)?$/RHmi"; reference:md5,97369af278cc004ce390f68ae94013b6; classtype:trojan-activity; sid:2020946; rev:3;)

Added 2015-06-03 17:17:32 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Win32/Spy.Zbot.YW CnC? Beacon 2"; flow:established,to_server; content:"POST"; http_method; content:!"Accept-"; http_header; content:!"Content-Type|3a|"; http_header; content:!"Referer|3a|"; http_header; content:!"Content-Length|3a 20|0|0d 0a|"; http_header; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"; content:"/ HTTP/1.1"; content:"Accept|3a 20|*/*|0d 0a|User-Agent|3a 20|Mozilla/7."; depth:35; http_header; pcre:"/^[^\r\n]+\r\nHost\x3a[^\r\n]+\r\nContent-Length\x3a\x20\d+\r\nConnection\x3a\x20Keep-Alive\r\n(?:Cache-Control|Pragma)\x3a\x20no-cache\r\n(?:\r\n)?$/RHmi"; reference:md5,97369af278cc004ce390f68ae94013b6; classtype:trojan-activity; sid:2020946; rev:3;)

Added 2015-04-20 20:32:49 UTC


#alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Win32/Spy.Zbot.YW CnC? Beacon 2"; flow:established,to_server; content:"POST"; http_method; content:!"Accept-"; http_header; content:!"Content-Type|3a|"; http_header; content:!"Referer|3a|"; http_header; content:!"Content-Length|3a 20|0|0d 0a|"; http_header; pcre:"/^[\x20-\x7e\r\n]{0,20}[^\x20-\x7e\r\n]/P"; content:"/ HTTP/1.1"; content:"Accept|3a 20|*/*|0d 0a|User-Agent|3a 20|Mozilla/7."; depth:35; http_header; pcre:"/^[^\r\n]+\r\nHost\x3a[^\r\n]+\r\nContent-Length\x3a\x20\d+\r\nConnection\x3a\x20Keep-Alive\r\n(?:Cache-Control|Pragma)\x3a\x20no-cache\r\n(?:\r\n)?$/RHmi"; reference:md5,97369af278cc004ce390f68ae94013b6; classtype:trojan-activity; sid:2020946; rev:3;)

Added 2015-04-17 23:19:04 UTC


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