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- #
- # This script was written by Renaud Deraison <deraison@cvs.nessus.org>
- #
- # See the Nessus Scripts License for details
- #
-
- if(description)
- {
- script_id(10024);
- script_version ("$Revision: 1.17 $");
- script_cve_id("CAN-1999-0660");
- name["english"] = "BackOrifice";
- name["francais"] = "BackOrifice";
- script_name(english:name["english"], francais:name["francais"]);
-
- desc["english"] = "
- This host seems to be running a passwordless
- BackOrifice 1.x on this port.
-
- BackOrifice is trojan which allows an intruder to take
- the control of the remote computer.
-
- An attacker may use it to steal your passwords, modify
- your data, and preventing you from working properly.
-
- Solution : reinstall your system
- Risk factor : High";
-
-
- desc["francais"] = "
- Cette machine semble faire tourner BackOrifice 1.x
- sans mot de passe sur ce port.
-
- BackOrifice est un cheval de troie qui
- permet α un intrus de prendre le controle de
- ce poste α distance.
-
- Un pirate peut l'utiliser pour voler vos mots de passe,
- modifier vos donnΘes, et vous empecher de travailler
- correctement.
-
- Solution : rΘinstallez le systΦme
- Facteur de risque : ElevΘ";
-
- script_description(english:desc["english"], francais:desc["francais"]);
-
- summary["english"] = "Determines the presence of BackOrifice";
- summary["francais"] = "DΘtermine la prΘsence de BackOrifice";
- script_summary(english:summary["english"], francais:summary["francais"]);
-
- script_category(ACT_GATHER_INFO);
-
-
- script_copyright(english:"This script is Copyright (C) 1999 Renaud Deraison",
- francais:"Ce script est Copyright (C) 1999 Renaud Deraison");
- family["english"] = "Backdoors";
- family["francais"] = "Backdoors";
- script_family(english:family["english"], francais:family["francais"]);
- script_dependencie("os_fingerprint.nasl");
-
- exit(0);
- }
-
- #
- # The script code starts here
- #
-
- os = get_kb_item("Host/OS/icmp");
- if(os)
- {
- if("Windows" >!< os)exit(0);
- }
-
- if(!(get_udp_port_state(31337)))exit(0);
-
- #
- # Reverse-engineered data. Not very meaningful.
- # This is a 'ping' request for BackOrifice
- #
-
- s = raw_string(0xCE, 0x63, 0xD1, 0xD2, 0x16, 0xE7,
- 0x13, 0xCF, 0x39, 0xA5, 0xA5, 0x86,
- 0x4D, 0x8A, 0xB4, 0x66, 0xAA, 0x32);
-
- soc = open_sock_udp(31337);
- send(socket:soc, data:s, length:18);
- r = recv(socket:soc, length:10);
- if(r)security_hole(31337);
- close(soc);
-