A piece of software and or hardware designed to detect the presence of vulnerabilities in an IT system.

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Organizing scheduled vulnerability scans

I am wondering what others do in regards to setting up their enterprise scheduled vulnerability scan policies. For example do you prefer to create a single scan policy and scan all networks regardless ...
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2k views

Why Nessus freezes at 0% and how to fix it?

Does anybody know why Nessus freezes at 0%? I am not sure that I've done the right configuration, but it is becoming painful How long approximately takes to scan one machine?
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91 views

Vulnerability scanning: White list pentester or not?

If your company engages a third party pentester to do vulnerability scanning, do you whitelist the pentester so that they can thoroughly scan the machines on the internet, or do not whitelist them ...
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3answers
124 views

Creating a website to test my scanner that I scripted

Hi I looked around on Google and this site for about the last hour and I couldn't find anything that gave a direct answer to my question. I changed the code around in a scanner that I used in the past,...
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2answers
238 views

Protecting against GCHQ port scans: How does TCP stealth work?

Today I read the first time about a draft of TCP Stealth which should serve as a protection against GCHQ and NSA vulnerability scanning(Source: https://en.wikipedia.org/wiki/TCP_Stealth): The ...
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2answers
4k views

Is there any useful Android app for security assessments? [closed]

I've been thinking for a while about whether or not ask this, as it may be a opinion-based question, but as I have seen a couple of non-closed questions about recommended books, so I think this is the ...
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1answer
306 views

Have questions about received security scan

I received a security scan from Fortify on a webapp (using SSL/HTTPS) written in Angular that I am working on and I have two questions (high risk issues) that I'm seeking help on. Access Control: ...
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2answers
1k views

How to exploit vulnerabilities found from OpenVAS?

I could not find any match for the vulnerabilities with their CVE numbers found from OpenVAS scanner with exploits using sites such as Rapid 7 Vulnerability DB and Exploit DB, or by using a command ...
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3answers
850 views

Where to place a vulnerability scanner within a data center

There is currently a debate in my office on the best location to place a vulnerability scanner (a distributed scanner - Rapid7 Nexpose, using scan engines) within a data center. I see two options: ...
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2answers
2k views

Import nmap scan results into OpenVAS

I have recently been introduced to OpenVAS for scanning our network at work. I am familiar with nmap, and I am happy with it's performance when used stand-alone from the cli, through iptraf I can see ...
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1answer
64 views

Freelance web app tester law on breach after scan [closed]

If I was to do a web app test on a companies site and I didn't spot something and the company was breached via the app I tested what come back could I possibly have ? How could I protect myself ...
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1answer
217 views

Do heuristics exist for modeling the “harmlessness” of a file?

There's a file processing service that looks for some know attacks and sometimes returns messages like: Probably harmless! There are strong indicators suggesting that this file is safe to use. ...
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2answers
447 views

Suspect Exchange Server appears to be hacked. How to determine if it was a false positive?

Our security vendor detected that our client's CAS server was doing a nessus scan in the internal network. It's not uncommon for this vendor to issue a false positive, but I'm looking for general ...
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2answers
890 views

How do I find .asmx files?

I have a web service (ASP.NET) running on my application server. It can be reached via http://xxxxxx/Servercomponents/servercomp.asmx Is possible to find this even if you don't know the file name ...
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2answers
291 views

Scan Novell NetWare backend with Windows servers and clients

Could anyone provide some insight on performing an internal vulnerability assessment regarding Novell NetWare as the backend with client workstations and servers running various versions of Windows? ...
2
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2answers
367 views

PCI Scanning and authenticated user pages

I've just used a security vendor's automated PCI scanning tool to scan my web server. It only has the ability, out of the box, to scan URLs as an un-authenticated user. This means it is only ...
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2answers
97 views

Legally port scanning (Whitelist)

I am attempting to set up a security vulnerability scanning server. I have several customers interested in using it to scan their systems. I will be port scanning and carrying out intrusion detection, ...
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1answer
178 views

Reliability of scanning tools on icmp timestamp responses

A security auditor has done a vulnerability scan of our network and found that one of our server has returned an TCP timestamp response such that the scanner (Nmap) is able to guess the uptime of the ...
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2answers
721 views

Internal / external Penetration testing a webserver - PCI

the PCI DSS document states: 11.3.2 Perform internal penetration testing at least annually and after any significant infrastructure or application upgrade or modification (such as an operating ...
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1answer
650 views

Is there any FOSS passive vulnerability scanner ? Not a NIDS but a vulnerability assessment tool [closed]

I've see the PVS (passive vulnerability scanner) from Tenable Network Security. I'm really interested in this kind of approach. Anyone know if is there any FOSS solution to be used professionally ...
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1answer
593 views

Nessus scanner and Red Hat backport security updates

I have asked this question: False positive Apache version in scanner results on Centos I need additional clarification: Do you know if it is possible to configure Nessus to adopt Red Hat backport ...
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3answers
11k views

PING BLOCKING: How to do? How to break?

I can access each page of a site through the browser (firefox). I can also see the ip and port address in firebug, but when I open cmd->ping site ->it says "request timeout". I also tried traceroute. ...
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2answers
1k views

How to decode this exploit scanner?

My server is obviously up to date and not vulnerable to shellshock exploits. However, I am still curious and would like to understand how to decode the following malicious vulnerability scan. I have ...
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323 views

Vulnerability scanner shows SQL errors were disclosed.How Severe it is?

When I scanned my site for Vulnerabilities I found this error. Various SQL errors were disclosed within the application source code or other files. I have checked for sql injection and confirmed ...
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4answers
3k views

Antivirus Engine based MD5 or SHA1 hash?

I'm trying to understand more about MD5 and SHA1 hashes algorithms and their behavior in serious security software(found this but not helped me more). Why does ClamAV use additional scanning ...
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3answers
2k views

Effectively Pentest a Wordpress Site

When it comes to blackbox pentesting of a Wordpress site, the first thing to come to mind is WPScan [http://wpscan.org/]. While pentesting some sites, I faced a common issue i.e it shows that ...
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5k views

MS12-020: Remote Code Execution

I'm doing some exercises in the lab. My vuln. scanner detects MS12-020 on a few machines. The report indicates that this could be exploited to allow the execution of code remotely. To me this would ...
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2answers
374 views

Why is Un1c0rn exposing wget on heartbleed?

What's the point of spotlighting wget on heartbleed dumps? I'm specifically talking about this which is the first page of wget occurencies in heartbleed dumps. They put this page as a link on the ...
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2answers
277 views

Vulnerability scan scheduling approach on demand versus change?

I have a question regarding scheduling a vulnerability scanning and assessment exercise. I'm in the process of laying a schedule for vulnerability scans. I'm wondering when and why to initiate the ...
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2answers
5k views

What is the best tool to anonymize your scans (network/ports)? [closed]

What are the best tools to anonymize my port scanners and vulnerability assessment tools (like nmap , metasploit ) ...? I have been using Backtrack and tor network with proxychains to do this, but ...
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2answers
1k views

TCP / UDP port monitoring programs for mac?

Does anyone know of a free and effective port monitor for mac? Also, can a laymen, in relatively short order, learn to use such software to detect and thus prevent unauthorized remote access/control ...
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2answers
84 views

Vulnerability scanning vs fuzzing a web application

In the context of web applications, is vulnerability scanning a form of fuzzing? I was told it wasn't the case, but here's what I know: Wikipedia defines fuzzing as "providing invalid, unexpected, ...
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354 views

Penetration testing preventive or detective control?

I have always wondered if penetration testing is a preventive or detective control. My view is that it is both preventive (preventive as it scans for vulnerabilities, which can be fixed to prevent ...
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226 views

How does one decide whether to block malicious scanning activities?

On a typical day in the internet, there would be numerous botnets commanding zombie computers to scan for servers with vulnerabilities. Every now and then, a new exploit would be discovered. Then, the ...
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755 views

False positive Apache version in scanner results on Centos

Recently I need to care a lot of false positive vulnerabilities in scanner results on Apache version. Example of false positive vulnerability: Apache 2.2 < 2.2.16 Multiple Vulnerabilities Our ...
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3answers
508 views

What is best method for retest blind sql vulnerability

I tested web site application with commercial automated tool.There are some blind sql injection.I want to retest this results .Is there any good method for test blind sql injection with tool or ...
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1answer
5k views

my site with joomla 1.5.14 got defaced and I'd like to know how he did it and stop it

I am supposed to manage the content of a site and it got defaced. The site is hosted on a Linux server running Apache. Apache version: 2.2.13 Linux version is Debian 4.0(I think I don't really have ...
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1answer
993 views

Pre Installed OpenVAS , light way Linux [closed]

Is there any Pre installed light way OpenVAS Linux distributions Or any light way Linux witch Openvas Tested on it and work properly on that Linux distribution ? I have used Back Track (UBUNTU ...
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5answers
2k views

Can I scan with nmap from cloud services? [closed]

Can i conduct nmap scanning from cloud services (i.e AWS)? i am looking to do external scanning for my company and want to set up something that will be quick, efficient, and cheap. I dont want to ...
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1answer
3k views

NGINX / HTTP TRACE

I have a http server Nginx with HTTP TRACE Enabled. A single nmap --script=http-methods.nse host.name give this result : Not shown: 988 closed ports PORT STATE SERVICE VERSION [...] 80/...
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1answer
145 views

Nessus report shows iSCSI vulnerability

The IT Manager (my boss) has been running a vulnerabilities scan on a network of servers we have. The report has come back with some interesting vulnerabilities. The one I can't seem to find a lot on ...
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3answers
197 views

Do I need an ASV to come out when going for an SAQ?

Our company is going for a SAQ, under PCI DSS 3.1. Do we need to pay a vendor to come out and do an on site scan, or can we use something like Nessus to do the scan on our own?
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1answer
45 views

Running webserver with SSL enabled but not used

We have a web server hosted by a third party running on port 80. They have also enabled SSL but we did not use it. We are just using port 80. Right now, when I do a vulnerability scan, some SSL ...
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1answer
57 views

Multiple vulnerabilities scanners at the same target

Is it safe/possible to run multiple vulnerabilities scanners on the same target simultaneously?
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2answers
144 views

IDS across seperate AWS accounts

I have 2 separate AWS accounts and I would like to a Vuln scanner/IDS on one to scan another. One environment is a regular AWS account and the other is in AWS Gov Cloud. Due to limitations within ...
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2answers
718 views

Web Application Vulnerability Scan- False Positives-Recognizing and Eliminating

Web Application Vulnerability and Potential False Positives As a Penetration Tester the application vulnerability scan is a major part of any penetration testing methodology. In the Application ...
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2answers
587 views

Changing IP ID generation of a server

I've seen plenty about Idle Scans and incremental IP IDs on the net, but I have trouble finding a "solution" to the problem. Is there a way to "set" IP IDs for example to all zeros or is it coded into ...
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2answers
536 views

vulnerabilities in a machine that detects vulnerability scanners

I currently have a machine (set by another person) that has (according to nmap) open ports as: FreeBSD ftpd 6.00LS where anonymous login is possible OpenSSH 4.5p1 (FreeBSD 20061110; protocol 2.0) ...
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26 views

Scan detection Tool better than Snort Portscan Preprocessor

I am working on detection of Scanning activities of Bots/Worms. I have found that Snort Portscan Preprocessor detects Scan activities. I have tweaked Snort Portscan Preprocessor to detect different ...
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79 views

Is OpenVas an active or passive scanner? [closed]

I am using Ossim and I did a scan vulnerabilities with OpenVas. I received feedback that some of our softwares broke after the scan. We will check the logs to see if the scan cause this, but I was ...