alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN JavaScriptBackdoor? HTTP GET CnC? Beacon"; flow:established,to_server; content:"GET"; http_method; content:"/?action="; http_uri; fast_pattern; content:"&guid="; http_uri; content:"&version="; distance:0; http_uri; content:"WinHttp.WinHttpRequest."; http_header; content:!"Referer|3a|"; http_header; pcre:"/&version=\d+$/U"; reference:md5,154e76a480b22cf24ddac4d2d59c22fe; classtype:trojan-activity; sid:2021132; rev:3; metadata:attack_target Client_Endpoint, created_at 2015_05_21, deployment Perimeter, former_category MALWARE, signature_severity Major, tag c2, updated_at 2020_10_01, 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 -> $EXTERNAL_NET any (msg:"ET TROJAN JavaScriptBackdoor? HTTP GET CnC? Beacon"; flow:established,to_server; content:"GET"; http_method; content:"/?action="; http_uri; fast_pattern; content:"&guid="; http_uri; content:"&version="; distance:0; http_uri; content:"WinHttp.WinHttpRequest."; http_header; content:!"Referer|3a|"; http_header; pcre:"/&version=\d+$/U"; reference:md5,154e76a480b22cf24ddac4d2d59c22fe; classtype:trojan-activity; sid:2021132; rev:3; metadata:created_at 2015_05_21, former_category MALWARE, updated_at 2020_10_01;)

Added 2020-10-01 18:35:24 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN JavaScriptBackdoor? HTTP GET CnC? Beacon"; flow:established,to_server; content:"GET"; http_method; content:"/?action="; http_uri; fast_pattern; content:"&guid="; http_uri; content:"&version="; distance:0; http_uri; content:"WinHttp.WinHttpRequest."; http_header; content:!"Referer|3a|"; http_header; pcre:"/&version=\d+$/U"; reference:md5,154e76a480b22cf24ddac4d2d59c22fe; classtype:trojan-activity; sid:2021132; rev:3; metadata:created_at 2015_05_21, former_category MALWARE, updated_at 2019_10_07;)

Added 2020-08-05 19:11:14 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN JavaScriptBackdoor? HTTP GET CnC? Beacon"; flow:established,to_server; content:"GET"; http_method; content:"/?action="; http_uri; fast_pattern; content:"&guid="; http_uri; content:"&version="; distance:0; http_uri; content:"WinHttp.WinHttpRequest."; http_header; content:!"Referer|3a|"; http_header; pcre:"/&version=\d+$/U"; metadata: former_category MALWARE; reference:md5,154e76a480b22cf24ddac4d2d59c22fe; classtype:trojan-activity; sid:2021132; rev:3; metadata:created_at 2015_05_21, updated_at 2019_10_07;)

Added 2019-10-08 19:34:27 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN JavaScriptBackdoor? HTTP GET CnC? Beacon"; flow:established,to_server; content:"GET"; http_method; content:"/?action="; http_uri; fast_pattern:only; content:"&guid="; http_uri; content:"&version="; distance:0; http_uri; content:"WinHttp.WinHttpRequest."; http_header; content:!"Referer|3a|"; http_header; pcre:"/&version=\d+$/U"; metadata: former_category MALWARE; reference:md5,154e76a480b22cf24ddac4d2d59c22fe; classtype:trojan-activity; sid:2021132; rev:2; metadata:created_at 2015_05_21, updated_at 2015_05_21;)

Added 2019-09-19 19:26:22 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN JavaScriptBackdoor? HTTP GET CnC? Beacon"; flow:established,to_server; content:"GET"; http_method; content:"/?action="; http_uri; fast_pattern:only; content:"&guid="; http_uri; content:"&version="; distance:0; http_uri; content:"WinHttp.WinHttpRequest."; http_header; content:!"Referer|3a|"; http_header; pcre:"/&version=\d+$/U"; reference:md5,154e76a480b22cf24ddac4d2d59c22fe; classtype:trojan-activity; sid:2021132; rev:2; metadata:created_at 2015_05_21, updated_at 2015_05_21;)

Added 2018-09-13 19:51:14 UTC


Added 2018-09-13 18:00:05 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN JavaScriptBackdoor? HTTP GET CnC? Beacon"; flow:established,to_server; content:"GET"; http_method; content:"/?action="; http_uri; fast_pattern:only; content:"&guid="; http_uri; content:"&version="; distance:0; http_uri; content:"WinHttp.WinHttpRequest."; http_header; content:!"Referer|3a|"; http_header; pcre:"/&version=\d+$/U"; reference:md5,154e76a480b22cf24ddac4d2d59c22fe; classtype:trojan-activity; sid:2021132; rev:2; metadata:created_at 2015_05_21, updated_at 2015_05_21;)

Added 2017-08-07 21:15:46 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN JavaScriptBackdoor? HTTP GET CnC? Beacon"; flow:established,to_server; content:"GET"; http_method; content:"/?action="; http_uri; fast_pattern:only; content:"&guid="; http_uri; content:"&version="; distance:0; http_uri; content:"WinHttp.WinHttpRequest."; http_header; content:!"Referer|3a|"; http_header; pcre:"/&version=\d+$/U"; reference:md5,154e76a480b22cf24ddac4d2d59c22fe; classtype:trojan-activity; sid:2021132; rev:2;)

Added 2015-05-21 17:44:10 UTC


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