By Chet Hosmer
Python Passive community Mapping: P2NMAP is the 1st e-book to bare a progressive and open resource process for exposing nefarious community activity.
The "Heartbleed" vulnerability has published major weaknesses inside of company environments with regards to the inability of a definitive mapping of community resources. In Python Passive community Mapping, Chet Hosmer indicates you the way to successfully and definitively passively map networks. energetic or probing how you can community mapping have generally been used, yet they've got many drawbacks - they could disrupt operations, crash platforms, and - most significantly - omit severe nefarious job. You require a correct photograph of the environments you safeguard and function so as to speedily examine, mitigate, after which get over those new assault vectors. This booklet grants a deep knowing of recent options to passive community mapping, whereas providing open resource Python-based instruments that may be placed into perform immediately.
Python Passive community Mapping is for practitioners, forensic investigators, IT groups, and people who interact while appearing incident reaction and investigating power harm, or are interpreting the affects of recent malware threats. these protecting severe infrastructures may have a different curiosity during this e-book, as lively or probing tools of community mapping are infrequently used inside of those environments as any ensuing affects could be disastrous. Python Passive community Mapping is ultimate to be used as a textual content in quite a few educational courses to reveal and have interaction scholars within the paintings of passively mapping company networks, with the additional advantage of supplying publicity to open resource Python solutions.
- First publication to teach you the way to exploit open resource Python to behavior passive community mapping
- Provides a brand new technique for undertaking incident reaction and investigating the level of strength harm on your systems
- Python code forensics toolkit for community mapping integrated at the significant other website
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Additional info for Python Passive Network Mapping: P2NMAP
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For my experimentation and daily use, I’m using a TP-LINK 8 Port Gigabit Easy Smart Switch TL-SG108E as shown in Figure 3-1. I have experimented with many switches and hubs for this purpose, and for a low cost, reliable and easy to configure device, this is the best that I have found so far. The simplicity of the switch is based on a software application “Easy Smart Configuration Utility”, shown in Figure 3-2, that comes with the switch. The configuration utility allows for the configuration of all the features available on the TL-SG108E.
Next, I introduced a couple of OS Fingerprinting methods that will be used in Chapter 4. And finally, we examined the additional benefits of Python Passive Network Mapping as applied to behavior of trusted insiders and outsiders. SUMMARY QUESTIONS 1. What additional network devices will be important to map and identify on our networks and why? 2. py script to allow for other targeted captures? 3. py script to implement these generalizations. 4. py to create a comprehensive list of unique observed combination of TOS, TTL, DF and Window Size?
It is important to point out that masking these TCP/IP header fields can be accomplished by those trying to obscure these signatures. Thus it is important to utilize multiple methods: Table 2-3 Sampling of OS Observed Values Observed OS Linux Open BSD Solaris AIX Windows XP Windows 2K Windows 7 Mac OS X Time to Live Initial Value 64 64 255 64 128 128 128 64 Window Size Typical Setting 5840 16,384 8,760 16,384 65,535 16,384 8,192 65,535 31 32 CHAPTER 2: What You DON’T Know About Your Network Table 2-4 Sampling of Open Port Patterns Port Number 445 987 1270 331 660 11111 Most Common Usage OS Fingerprint Guess Microsoft Active Directory Microsoft Sharepoint Service Microsoft System Center Operations Manager (SCOM) Apple OS Server Admin Mac OS Server Admin Remote Configuration Interface Windows Windows Windows Mac OS X Mac OS X RedHat Linux OS Fingerprinting Using Open Port Patterns Another common method is to take an inventory of open port patterns.