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1
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1answer
67 views

Find a script which writes in /var/tmp [duplicate]

I discover that one of my partition was full. rootfs 20G 1,8G 17G 10% / /dev/root 20G 1,8G 17G 10% / devtmpfs 7,8G 184K 7,8G 1% /dev none ...
0
votes
0answers
72 views

rkhunter reports suspicious activity /bin/usr/wget and killall permissions changed

Sorry about the long post but please bear with me. I'm wondering if my system has been compromised. I've had issues in the past on this VM server with a Linux.BackDoor.Gates.5 Trojan that was DDoSing ...
2
votes
1answer
81 views

What to do if rkhunter finds a possible rootkit?

ran rkhunter tonight, and I got this for the results: [04:17:34] System checks summary [04:17:34] ===================== [04:17:34] [04:17:34] File properties checks... [04:17:34] Files checked: 133 ...
0
votes
1answer
82 views

Strange ports on default install of W7

I have a base new install of windows 7, and when I went to look for something else I saw the attached netstat output. What concerns me is that this is Windows + Truecrypt + drivers, nothing else ...
1
vote
1answer
71 views

Check all debian binaries against the checksum of the original

I would like to check all binaries on my server against dpkg -e <path_to_deb_package> <destination> (for example rkhunter could do this check against the originals when doing ...
1
vote
1answer
521 views

Suspicious file types found in /dev ASCII text

rkhunter complains about this: Warning: Suspicious file types found in /dev: /dev/.udev/queue.bin: data /dev/.udev/data/c13:66: ASCII text /dev/.udev/data/c13:64: ASCII ...
2
votes
1answer
80 views

RKHunter reports change in file properties, but different hash length

RKHunter reports change in file properties, but the strange thing is that the hash length is different in the current hash an in the stored hash. [11:47:13] Warning: The file properties have changed: ...
0
votes
1answer
636 views

How can I remove SHV4 / SHV5 rootkits? [duplicate]

I've seen that my system has a two kind of rootkits: SHV4 / SHV5. (I'm going to add a log here) I tried to remove it but I could not. Can anybody recommend me any way to do it? [ Rootkit Hunter ...
3
votes
2answers
908 views

Rootkit Revealer is failing to run, why? [duplicate]

On a user's laptop (Windows 7 x64), terrible performance led me to suspect a rootkit after ruling almost everything else out. I checked boot entries with Autoruns and ran a full scan with ...
1
vote
1answer
697 views

Rkhunter triggered last night warning for a possible infection. What next?

Last night rkhunter triggered with the following warnings: [04:10:23] Warning: Network TCP port 32982 is being used by /usr/lib/apache2/mpm-prefork/apache2. Possible rootkit: Solaris Wanuk ...
2
votes
1answer
1k views

remove shared library from sshd [duplicate]

mv /lib64/libkeyutils.so.1.9 /root service sshd restart Stopping sshd: [ OK ] Starting sshd: /usr/sbin/sshd: error while loading shared libraries: ...
1
vote
2answers
326 views

Squid showed up on port 8080. Possible Rootkit?

I recently attempted to connect to my EC2 server on 8080 and had some strange issues that weren't occurring earlier. NGinx (though setup for :81) captures any requests on port 8080. If I stop ...
2
votes
2answers
86 views

How to keep track of the serverconfiguration: keep entire “/etc” in git

I want to keep my whole /etc folder in a git repository to track unauthorised changes by intruders and find out mistakes I could have done myself. What would be the right way to achieve this?
0
votes
2answers
356 views

Could it be that “chkrootkit” just doesn't like .hmac, .packlist, and .relocation-tag files?

I just cleaned up my hacked CentOS server (due to not updating since versino 5.3). But still, "chkrootkit" says this: Possible t0rn v8 \(or variation\) rootkit installed ...
-1
votes
3answers
431 views

Entries in `/etc/inittab` below last line - possible hack? [duplicate]

Possible Duplicate: My server's been hacked EMERGENCY My Linux machine has been hacked lately. There are a few entires in /etc/inittab below the #end of /etc/inittab Something ...
0
votes
2answers
288 views

How to replace infected `/lib/libsh.so` and `/etc/sh.conf` files? [duplicate]

Possible Duplicate: My server’s been hacked EMERGENCY Which package does the file /lib/libsh.so belong to? I need to replace it since it was infected. Same for /etc/sh.conf. For now I ...
0
votes
1answer
786 views

Hacked CentOS 5 server - possible rootkit installed? [duplicate]

Possible Duplicate: How do I know if my Linux server has been hacked? My server's been hacked EMERGENCY I am running CentOS 5.3 and here is the result of "chkrootkit": Possible t0rn ...
-3
votes
2answers
667 views

Rootkit scanning

Are there any good services or ways to scan for rootkits and backdoors? I know there are rkhunter and chkrootkit but are they even ideal anymore? They never seem updated and look more like they were ...
-3
votes
1answer
148 views

How do I remove a rootkit without an anti-rootkit program? [duplicate]

Possible Duplicate: My server's been hacked EMERGENCY Windows 2000 Server. I believe I have a rootkit. But, nothing will remove it. I've tried everything. Even tools that are merely ...
0
votes
3answers
3k views

running a high CPU consuming process, but top/htop show ALL process cpu 0%?

all. I have these weird servers can not explained as follow: htop 1 [||||||||||||||| 28.5%] Tasks: 53 total, 1 running 2 [|||||||||||||||| ...
0
votes
1answer
279 views

Scripted install of Debian backdoor/rootkit [closed]

We have a number of servers (100+) that we need to increase a certain type of security on. (sortof internal, sorry NDA). We have thought about using a rootkit of some sort that would be able to keep ...
1
vote
1answer
306 views

What is “ndptsp.tsp”?

Sophos Anti-Rootkit tells me that on one of our web servers, there is an "unknown hidden file" ndptsp.tsp: Area: Local hard drives Description: Unknown hidden file Location: ...
0
votes
4answers
198 views

Rootkit security and learning? [closed]

Long time ago, my server was brute forced and a root kit was installed on. Since then, I have bunch of root kit checkers and Im always changing my password. However, without fully understanding how ...
7
votes
4answers
1k views

Putting a whole linux server under source control (git)

I am thinking about putting my whole linux server under version control using git. The reason behind it being that that might be the easiest way to detect malicious modifications/rootkits. All I would ...
2
votes
4answers
3k views

My computer is sending ICMP packets to arbitrary destinations

My computer is sending ICMP packets to arbitrary destinations. I can't understand the reason. Dump of one of the packet is : Internet Control Message Protocol Type: 3 (Destination unreachable) ...
10
votes
10answers
1k views

Pull network or power? (for contianing a rooted server)

When a server gets rooted (e.g. a situation like this), one of the first things that you may decide to do is containment. Some security specialists advise not to enter remediation immediately and to ...
5
votes
3answers
919 views

Weird set of shell commands in root's .bash_history

I have probably just detected that a user on a server of mine has rooted my server, but that's not what I'm asking. Has anyone ever seen command like these: echo _EoT_0.249348813417008_; id; echo ...
7
votes
5answers
2k views

Pain removing a perl rootkit

So, we host a geoservice webserver thing at the office. Someone apparently broke into this box (probably via ftp or ssh), and put some kind of irc-managed rootkit thing. Now I'm trying to clean the ...
1
vote
1answer
103 views

HOw to view all Logs in OSSSEC system ubuntu

I have installed OSSEC It is working and sometime sending me alert email as well. But i want to see what can i type so that i can get view all the logs of what OSSEC has found in my system
0
votes
1answer
674 views

rootkit exploit on centos server

I have recenrly found a file in my folder called wunderbar_emporium its details is here What is that , how it came here and what should i check to make sure what arong has been done to system
4
votes
2answers
2k views

ifconfig showing wrong RX/TX byte count

ifconfig tells for eth0 some RX = 2,8GB, TX = 1,3GB value that cannot be real, since I recently transmitted many 10GB+ files over eth0. I would like to know if that's just some ordinary integer ...
5
votes
8answers
10k views

How to check if a Linux server is clean from rootkits/backdoors/botnets etc.?

In case a Linux server was exposed to the internet with extreme low security policy (r/w anonymous Samba folders, Firebird database server with default admin password, no firewall, etc.) for a week, ...
1
vote
1answer
4k views

RtKit on my ubuntu?

Hi I just updated my ubuntu karmic Koala to Lucid Lynx and found sth strange on my file /etc/passwd. rtkit:x:120:130:RealtimeKit,,,:/proc:/bin/false Can someone tell me what it is?
5
votes
4answers
4k views

Check integrity of Debian system after possible rootkit?

I have a system that was possibly rootkited (the IRC bot was installed and +ai attributes were set on /usr/bin, /usr/sbin, /bin, /sbin). The IRC bots were deleted and system was upgraded to 5.0.4 from ...
1
vote
1answer
2k views

How to prevent wunderbar_emporium rootkit

I just learned about the wunderbar_emporium rootkit, and it sounds pretty nasty. I tested it on a few linux servers I have access to, and while it failed on two of them, it was successful on one with ...
5
votes
8answers
677 views

Identifying changed files on *nix webserver

Looking for some (*nix) software which will build an index of "interesting" files on a server and notify when certain of those files contents are modified, or new files appear. Similar to rkhunter et ...
7
votes
5answers
21k views

how to find out what created a file?

I have some virus files being randomly created on root of a c: disk of one of my servers. How can I find out what created it? Some 3rd party software maybe?