Intrusion Detection System, a system for detecting and alerting based on behavior.

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SSL protocol issues on OS X and iOS

I have a PfSense box as a UTM, running snort among other things. I started noticing that when MacBooks and iPhones/iPods connect to my network, the snort log gets flooded with this message: ...
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2answers
2k views

Is traffic sent by Mouse Without Borders encrypted?

Some of our users have installed Mouse Without Borders and I wanted to know if it is possible to intercept the traffic being sent between the two computers and read it in some meaningful manner. I was ...
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1answer
597 views

Stateful Signatures in an IPS

I am researching IPS devices and their signatures both stateful and stateless. The test network I am looking to implement the IPS in has asymmetric traffic so stateful inspection would be nearly ...
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1answer
135 views

Is there a Snort rule that equates to “something suspicious flagged from a client side application?”

The reasoning is what if an enterprise monitors snort alerts more-so than say syslog. Is there a specific pre-defined alert for 'client side app says something fishy is going on'?
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Detecting the presence of wifi devices

Is it possible, with a normal wifi adapter, to detect present wifi devices in the surrounding? Let's say, is it possible to detect an Iphone with wifi switched on in the range of my wifi adapter? ...
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2answers
2k views

How effective is an IDS at catching targeted attacks

I have recently become very familiar with IBM Site Protector. As I understand things, Site Protector is in the top tier of IPS/IDS systems, used by some of the largest Fortune 500 companies. I was ...
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1answer
409 views

Can HIPS software practically be considered a form of MAC

Host Intrusion Prevention Software can restrict applications from taking certain actions regardless if they have the privileged to do so as assigned by the operating system. Given that with the use ...
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1answer
520 views

Rules for log analysis in an IDS

I am working on an IDS which has brought into the view of log analysis basically. I have to detect an intruder if there are any user behaviour anomalies present in the logs. I am having problems ...
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755 views

types of intrusions on host [closed]

I am implementing an IDS and just want to know that what are the possibilities with which the intrusion can occur.I am just doing a literature survey over the atacks possible so I want to know that ...
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9answers
33k views

Tracking down a rogue access point

Over the course of about a month we have received multiple reports of a rogue access point attempting to intercept traffic. I suspect an attacker is using a wifi pineapple, or similar hardware ...
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3answers
514 views

Implementation of an IDS

I am starting my final year project and I have decided to make an Intrusion Detection System, but I am a little confused where to start. I have read some papers and those have been pointing out the ...
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2answers
1k views

How can an IPS\IDS detect SQLi \ XSS (or other application layer) attacks?

I've been thinking about how an IPS works, and as far as I know it inspects the packets on the TCP\IP layer. How can it detect attacks on higher levels without harming the user experience? How does ...
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1answer
1k views

Blacklist IP addresses based on number of 404s in Apache

I'm getting a lot of hackers spamming my domain with requests for files that just don't exist. This is eating up a lot of my allotted bandwidth and I'd like to blacklist these IP addresses. Is there ...
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1answer
719 views

Logging True/False Negatives on Snort

I'm using Snort in a lab environmnet with artificially generated traffic. I'm looking to build a confusion matrix from known generated attacks. True Positives and False Positives are easy to parse ...
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4answers
729 views

Is Stonesoft's “advanced evasion technique” a major problem?

A month ago, Stonesoft (an IDS constructor from Finland) has launched an alert about Advanced Evasion Techniques. With these techniques, they claim to be capable of launching attacks on a network ...
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2answers
2k views

How do we protect our server from anonymous hacker? [duplicate]

Possible Duplicates: Hardening Linux Server How to best defend against Targeted Attacks? I read this news: Anonymous hacker group hits Apple, publishes data My question: How do we ...
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6answers
2k views

Applications of probability/statistics in IT security?

What are some areas of computer security that utilizes statistical modeling? I ask b/c I'm a studying statistics at school and have become interested after reading a few papers.. some of the areas ...
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2answers
627 views

Has anyone else seen commands embedded in an ICMP echo request?

My IPS recently detected a type 8 ICMP packet (echo request) with an unusual payload. The echo request command a fragment of a command that looked like part of a route add. Here's a PCAP of the ICMP ...
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1answer
385 views

Attacks against HIDS software running on the same machine

I am interested in the attacks that could be used to compromise or disable HIDS software such as Tripwire or Samhain. I understand that ideally checks should be run periodically and the database ...
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3answers
1k views

Best practice for creating an initial IPS policy

I see that most IPS available in the market comes with a basic pre-defined policy which administrators can base on when creating their initial IPS policy. However, these policy may be insufficient and ...
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3answers
464 views

Information gathering before deploying a Network IPS

I understand that most NIPS these days have either rules or signatures built in to them and perhaps gathering information prior to deployment may help in fine-tuning the rules / signature once the IPS ...
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3answers
684 views

How can an IPS be fingerprinted?

I'm not trying to solve a current technical problem but I came across this and have been wondering how it's done. Intrusion Prevention Systems are supposed to let all network traffic pass through and ...
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3answers
545 views

Do any of you who are *really* dealing with APT have any recommended intelligence feeds for SIEM/IDS/etc?

This question about Advanced Persistent Threats (APT) was posted by Rich Mogull on twitter. I copied it here because I'm curious too. Rich posted these follow-up tweets: And by APT I mean real ...
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1answer
385 views

Checkpoint NGX IPS & NAT

how does CheckPoint R65/R70 handle IPS violations of outbound traffic from hosts that are NAT'ed? Is it necessary to include the NAT'ed IP in the exceptions list or is it sufficient to include the ...
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1answer
1k views

Intrusion Prevention Logs

I received an email from a client with IDS logs. I was wondering if the following log has any real indications of the server being compromised. If there are certain things I can do to diagnose the ...
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1answer
1k views

Tools to identify and report hacking attempts originating inside reputable organizations?

Re: Should I report hacking attempts? - Server Fault Lots of people look at their own logs for attacks from the outside. But who regularly reports such attacks back to the source? I'm mainly ...
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3answers
638 views

What FOSS software do you like to use to build intrusion detection stacks?

Start-ups and organizations with limited budgets that are security conscious are often encouraged to deploy intrusion detection stacks. Given that prevention will always fail, intrusion detection ...
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1answer
224 views

What is your experience with AlertLogic?

Do you have any insight, or experience (good or bad) regarding AlertLogic? In what areas can they improve, what areas are they lagging in?
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2answers
171 views

Managing a team of IDS experts; how would you orgainze your team?

Suppose you are managing a team of Intrusion Detection Experts: ...what are the functional areas of the IDS knowledge space would you group your team into? ...how would you structure your team? ...