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Showing posts with the label scanning

Beginner’s guide: OSSIM Part 2

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Hope all of you are keeping well. Thank you all for the overwhelming support you people are giving me. So today we’ll deal with everything from basic OSSIM configuration to integrating different types of assets. Before we jump in to all of that I hope all of you are ready with installation. If not please visit my previous post, which is actually the first part. Beginner’s guide: OSSIM (Open Source Security Information Management) part 1 Make sure you have an active internet connection for your OSSIM. As you all know the Alienvault platform has five modules in it, which are the Asset discovery, vulnerability assessment, threat detection, behavioural monitoring and security intelligence. In simple words we add assets first, and then we’ll configure all those assets under each and every module of Alienvault respectively. If you're ready with everything mentioned in part 1, we can now move forward with the configurations. Here we’re just considering only OSSIM not USM....
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Can you ping a port?

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This is one of the top questions I hear at the time of a SIEM implementation. Most people (non-technical) think that just like doing a ‘ping’ to an IP address, we can do ping ports. Honestly, that is not possible. Then how can we actually check accessibility to a port, well there is a way. But before we jump in to it, we need to know a few basics about what a port is, and why we are not able to ping it.
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Nmaping your network

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A short tutorial for using NMAP   I hear a lots of questions like, how do we scope assets, or how do I manage my asset inventory. Well the answer is NMAP. Nmap is a quite handy tool, that'll allow you to map ip address with assets, create an asset inventory, or even  a small vulnerability scans. Here we'll talk about how to run an nmap full scan, nmap all port scan or nmap specific port scan For all those newbies out there, I’m just starting from scratch. As you all know NMAP means network mapping. This is a small tool which every pentester and network/system administrator must know. Most of my friends complain that Nmap is so vast; they don’t know how to set or why to set certain attributes before initiating a scan. To understand the working of Nmap properly, you need to how a system works in network. I’m not planning to go into core basics, but we’ll touch whatever is essential.
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Scanning and Enumeration

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Scanning Assets After the initial reconnaissance, a pentester identifies the target system, as discussed before the pentester concentrates on getting a mode of entry into the target system. The scanning phase can not be limited to intrusion alone. It can be extended form of reconnaissance where the pentester learns more about target, like what operating system is being used, what services  are being run on the systems, and any configuration lapses if any of it can be identified. The pentester can then strategize his/her attack, factoring in these aspects. Footprinting is the first phase of pentesting, in which the pentester gains information about the target, passively or actively. Footprinting alone is not enough for pentesting because it will only give the pentester an overview or primary information about the target. The pentester can use this primary information in the next phase to gather even more in-depth details about the target. This process of gathering in-d...
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