Gentoo Archives: gentoo-user

From: Alexander Kapshuk <alexander.kapshuk@×××××.com>
To: Gentoo mailing list <gentoo-user@l.g.o>
Subject: Re: [gentoo-user] Re: ADSL+WiFi modem router possibly compromised
Date: Mon, 03 Feb 2014 20:24:38
Message-Id: CAJ1xhMVRugz-1evitin1VJqHdFUtfEnTpyt5DcVy04T+XGLtQg@mail.gmail.com
In Reply to: [gentoo-user] Re: ADSL+WiFi modem router possibly compromised by walt
1 On Feb 3, 2014 10:02 PM, "walt" <w41ter@×××××.com> wrote:
2 >
3 > On 02/03/2014 10:25 AM, Alexander Kapshuk wrote:
4 > > Howdy,
5 > >
6 > > I connect to the Internet via a TP-LINK TD-W8101G Wireles ADSL2+ model
7 > > router. It has been set up to acquire IP addresses via DHCP. My
8 > > '/etc/resolve.conf' has been getting populated like so from the word go:
9 > > cat /etc/resolv.conf
10 > > # Generated by dhcpcd from enp4s0
11 > > # /etc/resolv.conf.head can replace this line
12 > > nameserver 192.168.1.1
13 > > # /etc/resolv.conf.tail can replace this line
14 > >
15 > > This morning, I discovered that the nameserver IP address in my
16 > > '/etc/resolve.conf' had changed:
17 > > cat /etc/resolv.conf
18 > > # Generated by dhcpcd from enp4s0
19 > > # /etc/resolv.conf.head can replace this line
20 > > nameserver 5.45.75.11
21 > > # /etc/resolv.conf.tail can replace this line
22 > >
23 > > I contacted my ISP about it. They said the nameserver in question was
24 > > not theirs.
25 > >
26 > > The whole thing began to smell fishy.
27 > >
28 > > What I've done so far is, I've reset my router to the default settings
29 > > and set it up again.
30 > > I've also changed the admin console password, as well as the WiFi access
31 > > point password.
32 > >
33 > > As a result, my nameserver IP address has been defined as 192.168.1.1.
34 > >
35 > > Anything else I can do to ensure my system has not been compromised?
36 >
37 > Google the number 32764 and you'll find a lot of info on a particular
38 > router bug. You'll see a link to Steve Gibson's grc.com, where you can
39 > scan for port 32764 on your router to see if it's listening.
40 >
41 >
42 >
43 Thanks. I'll look into that.