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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(10288);
script_cve_id("CAN-2000-0138");
name["english"] = "Trin00 Detect";
name["francais"] = "Detection de Trin00";
script_name(english:name["english"], francais:name["francais"]);
desc["english"] = "
The remote host appears to be running
Trin00, which is a trojan that can be
used to control your system or make it
attack another network (this is
actually called a distributed denial
of service attack tool)
It is very likely that this host
has been compromised
Solution : Restore your system from backups,
contact CERT and your local
authorities
Risk factor : Critical";
desc["francais"] = "
Le systeme distant semble faire tourner
trin00 qui peut etre utilis pour prendre
le controle de celui-ci ou pour attaquer un
autre rseau (outil de dni de service
distribu)
Il est trs probable que ce systeme a t
compromis
Solution : reinstallez votre systme partir
des sauvegardes, et contactez le CERT
et les autorits locales
Facteur de risque : Critique";
script_description(english:desc["english"], francais:desc["francais"]);
summary["english"] = "Detects the presence of trin00";
summary["francais"] = "Detecte la prsence de trin00";
script_summary(english:summary["english"], francais:summary["francais"]);
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2000 Renaud Deraison",
francais:"Ce script est Copyright (C) 2000 Renaud Deraison");
family["english"] = "Backdoors";
family["francais"] = "Backdoors";
script_family(english:family["english"], francais:family["francais"]);
exit(0);
}
#
# The script code starts here
#
command = string("png l44adsl");
pong = string("PONG");
ip = forge_ip_packet(ip_hl:5, ip_v:4, ip_off:0,
ip_id:9, ip_tos:0, ip_p : IPPROTO_UDP,
ip_len : 20, ip_src : this_host(),
ip_ttl : 255);
length = 8 + strlen(command);
udpip = forge_udp_packet(ip : ip,
uh_sport : 1024,
uh_dport : 27444,
uh_ulen : length,
data : command);
trg = get_host_ip();
me = this_host();
pf = string("udp and src host ", trg, " and dst host ", me, " and port 31335");
rep = send_packet(udpip, pcap_filter:pf, pcap_active:TRUE);
if(rep)
{
if(islocalhost())
{
dstport = get_udp_element(udp:rep, element:"uh_dport");
if(dstport == 31335)
{
security_hole(port:27444, protocol:"udp");
}
exit(0);
}
else security_hole(port:27444, protocol:"udp");
}
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