1 gfi languard network security scanner. 2 contents introduction features source & installation...
TRANSCRIPT
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GFI LANguard Network Security Scanner
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Contents
Introduction Features Source & Installation Testing environment Results Conclusion
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Introduction
Importance of Network security Internal SecurityExternal Security
Purpose of GFI LANguard Enable Network admins to perform
Security audit Remote system analysis
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Features
Security Audit Results in a verbose
manner Flexible scanning
Scan one computer Scan range of computers Scan list of computers Domain specific scan
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Features (Cont…)
System detection SNMP , NETBIOS
queries , Ping Sweep
Configuring ports for port scan
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Features (Cont..)
Enumeration of entry pointsSNMP holesCGI holesOpen sharesRogue , Backdoor usersWeak network passwords
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Features (Cont…)
AlertsWell known security problems are clearly
identified Intelligent scanning Listing of hot-fixes & service packs
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Features (Contd..)
Remote Machine shutdown Exploitation of NetBIOS vulnerability Enabling auditing Sending spoofed messages Scheduling scans & automatic update of
scans Gathering information & displaying using
report generator
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Features (Contd..)
Scripting Language: LANS: LANguard Scripting language GFI LANguard contains its own scripting
editorAllows users to create custom script which will
be executed on the remote host as when accessed
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Features (Contd..)
Tools: SNMP Walk
By performing SNMP walk potential hackers or malicious users will get lot of information about the system
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Features (Contd..)
Tools (Contd..) Trace route
DNS look up
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Tools (Contd..) SNMP Audit
SNMP audit allows to detect weak community strings.
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Tools (Contd..) MS-SQL Audit
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Tools (Contd..) Enumerated
Computers
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Source & Installation
Downloaded GFILANguard from www.gfi.com
Minimum requirements as set by vendorOS: Win 2000/2003/XP IE 5.1 +Client for Microsoft networks be installedNo personal firewall settings
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Testing Environment
Setting options:
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Testing Environment (Contd..)
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Testing Environment (Contd..)
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Results
Source IP address : 137.207.234.120 CASE -1 :
Destination IP: 137.207.234.138 Scan parameters: As specified earlier
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Results (Contd..)
CASE –II : SunSolaris
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Results (Contd..) Script execution:
hostname = "agardel2" # my desktop computer
// name of the system from which the script is running
ip = dnslookup(hostname) // using the function dnslookup if ip <> "" echo("hostname: " + hostname) echo("resolved as: " + ip, _color_blue) # now backwards:) hostname = ReverseDnsLookup(ip) if hostname <> "" echo("back to: " + hostname,) end if else echo("unable to resolve " + hostname + " !", \ _color_red) end if
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Conclusion
GFI LANguard is a very good tool in detecting and analysis of vulnerabilities User – defined Scripting language : LANSVerbose representation of DataGenerating Reports
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References
www.gfi.com