alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Linux/SSHDoor.A Reporting Backdoor CnC? Beacon"; flow:established,to_server; content:"port="; http_uri; content:"|3A|"; http_uri; content:"&uname="; http_uri; pcre:"/port\x3D[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x3A[0-9]{1,5}/U"; reference:url,blog.eset.com/2013/01/24/linux-sshdoor-a-backdoored-ssh-daemon-that-steals-passwords; classtype:trojan-activity; sid:2016314; rev:2; metadata:attack_target Client_Endpoint, created_at 2013_01_29, deployment Perimeter, former_category MALWARE, signature_severity Major, tag c2, updated_at 2020_04_23, 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 18:19:12 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Linux/SSHDoor.A Reporting Backdoor CnC? Beacon"; flow:established,to_server; content:"port="; http_uri; content:"|3A|"; http_uri; content:"&uname="; http_uri; pcre:"/port\x3D[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x3A[0-9]{1,5}/U"; reference:url,blog.eset.com/2013/01/24/linux-sshdoor-a-backdoored-ssh-daemon-that-steals-passwords; classtype:trojan-activity; sid:2016314; rev:2; metadata:created_at 2013_01_29, former_category MALWARE, updated_at 2020_04_23;)

Added 2020-08-05 19:08:47 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Linux/SSHDoor.A Reporting Backdoor CnC? Beacon"; flow:established,to_server; content:"port="; http_uri; content:"|3A|"; http_uri; content:"&uname="; http_uri; pcre:"/port\x3D[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x3A[0-9]{1,5}/U"; metadata: former_category MALWARE; reference:url,blog.eset.com/2013/01/24/linux-sshdoor-a-backdoored-ssh-daemon-that-steals-passwords; classtype:trojan-activity; sid:2016314; rev:2; metadata:created_at 2013_01_29, updated_at 2020_04_23;)

Added 2020-04-23 18:34:01 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Linux/SSHDoor.A Reporting Backdoor CnC? Beacon"; flow:established,to_server; content:"port="; http_uri; content:"|3A|"; http_uri; content:"&uname="; http_uri; pcre:"/port\x3D[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x3A[0-9]{1,5}/U"; metadata: former_category MALWARE; reference:url,blog.eset.com/2013/01/24/linux-sshdoor-a-backdoored-ssh-daemon-that-steals-passwords; classtype:trojan-activity; sid:2016314; rev:2; metadata:created_at 2013_01_29, updated_at 2013_01_29;)

Added 2019-09-19 19:25:53 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Linux/SSHDoor.A Reporting Backdoor CnC? Beacon"; flow:established,to_server; content:"port="; http_uri; content:"|3A|"; http_uri; content:"&uname="; http_uri; pcre:"/port\x3D[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x3A[0-9]{1,5}/U"; reference:url,blog.eset.com/2013/01/24/linux-sshdoor-a-backdoored-ssh-daemon-that-steals-passwords; classtype:trojan-activity; sid:2016314; rev:2; metadata:created_at 2013_01_29, updated_at 2013_01_29;)

Added 2018-09-13 19:46:16 UTC


Added 2018-09-13 17:57:16 UTC


alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN Linux/SSHDoor.A Reporting Backdoor CnC? Beacon"; flow:established,to_server; content:"port="; http_uri; content:"|3A|"; http_uri; content:"&uname="; http_uri; pcre:"/port\x3D[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x3A[0-9]{1,5}/U"; reference:url,blog.eset.com/2013/01/24/linux-sshdoor-a-backdoored-ssh-daemon-that-steals-passwords; classtype:trojan-activity; sid:2016314; rev:2; metadata:created_at 2013_01_29, updated_at 2013_01_29;)

Added 2017-08-07 21:10:01 UTC


alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"ET TROJAN Linux/SSHDoor.A Reporting Backdoor CnC? Beacon"; flow:established,to_server; content:"port="; http_uri; content:"|3A|"; http_uri; content:"&uname="; http_uri; pcre:"/port\x3D[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x2E[0-9]{1,3}\x3A[0-9]{1,5}/U"; reference:url,blog.eset.com/2013/01/24/linux-sshdoor-a-backdoored-ssh-daemon-that-steals-passwords; classtype:trojan-activity; sid:2016314; rev:1;)

Added 2013-01-29 23:10:07 UTC


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