Some Nmap skills-vulnerability warning-the black bar safety net

Source: Tr4c3’s blog by d3hydr8 www.darkc0de.com date: 01/20/08 Use nmap as a host discovery tool. linuxbox:/home/d3hydr8 nmap-sL 128.230.18.30-3 5 Starting Nmap 4.50 http://insecure.org at 2008-01-17 2 2:4 1 EST Host npropane.syr.edu 128.230.18.30 not scanned Host helpeiam1.syr.edu 128.230.18.31...

Using Nmap for your Windows network to find vulnerabilities-vulnerability warning-the black bar safety net

That said, If your network is vulnerable, or that your firewall has a vulnerability, or that your server is open shouldn't open ports, then your network is faced with is attack, is the damage of risk. To strike first. To prevent someone else ruin their own network, the first of his own“ruthless”a...

Detailed explanations of Common Vulnerability scanners and network scanning techniques-vulnerability warning-the black bar safety net

With the rapid development of the Internet,Network Security has gradually become a potential huge problem, how to safeguard their own network security, one of the main method is self-examination and self-correction, and in this process, the own network is scanned to become a more efficient,...

banner NSE Script

A simple banner grabber which connects to an open TCP port and prints out anything sent by the listening service within five seconds. The banner will be truncated to fit into a single line, but an extra line may be printed for every increase in the level of verbosity requested on the command line...

auth-spoof NSE Script

Checks for an identd auth server which is spoofing its replies. Tests whether an identd auth server responds with an answer before we even send the query. This sort of identd spoofing can be a sign of malware infection, though it can also be used for legitimate privacy reasons. Example Usage nmap...

smb-server-stats NSE Script

Attempts to grab the server's statistics over SMB and MSRPC, which uses TCP ports 445 or 139. An administrator account is required to pull these statistics on most versions of Windows, and Vista and above require UAC to be turned down. Some of the numbers returned here don't feel right to me, but...

dns-random-txid NSE Script

Checks a DNS server for the predictable-TXID DNS recursion vulnerability. Predictable TXID values can make a DNS server vulnerable to cache poisoning attacks see CVE-2008-1447. The script works by querying txidtest.dns-oarc.net see . Be aware that any targets against which this script is run will...

pop3-brute NSE Script

Tries to log into a POP3 account by guessing usernames and passwords. Script Arguments pop3loginmethod The login method to use: "USER" default, "SASL-PLAIN", "SASL-LOGIN", "SASL-CRAM-MD5", or "APOP". Defaults to "USER", passdb, unpwdb.passlimit, unpwdb.timelimit, unpwdb.userlimit, userdb See the...

irc-info NSE Script

Gathers information from an IRC server. It uses STATS, LUSERS, and other queries to obtain this information. Example Usage nmap -sV -sC Script Output 6665/tcp open irc | irc-info: | server: asimov.freenode.net | version: ircd-seven-1.1.320111112-b71671d1e846,charybdis-3.4-dev. asimov.freenode.net...

http-auth NSE Script

Retrieves the authentication scheme and realm of a web service that requires authentication. See also: http-auth-finder.nse http-brute.nse Script Arguments http-auth.path Define the request path slaxml.debug See the documentation for the slaxml library. http.host, http.max-body-size,...

upnp-info NSE Script

Attempts to extract system information from the UPnP service. Script Arguments upnp-info.override Controls whether we override the IP address information returned by the UPNP service for the location of the XML file that describes the device. Defaults to true for unicast hosts. slaxml.debug See t...

sniffer-detect NSE Script

Checks if a target on a local Ethernet has its network card in promiscuous mode. The techniques used are described at . Example Usage nmap -sV --script=sniffer-detect Script Output Host script results: | sniffer-detect: Likely in promiscuous mode tests: "11111111" Requires nmap stdnse string tabl...

ms-sql-info NSE Script

Attempts to determine configuration and version information for Microsoft SQL Server instances. SQL Server credentials required: No will not benefit from mssql.username & mssql.password. Run criteria: Host script: Will always run. Port script: N/A NOTE: Unlike previous versions, this script will...

ftp-bounce NSE Script

Checks to see if an FTP server allows port scanning using the FTP bounce method. Script Arguments ftp-bounce.password Password to log in with. Default IEUser@. ftp-bounce.username Username to log in with. Default anonymous. ftp-bounce.checkhost Host to try connecting to with the PORT command...

dns-random-srcport NSE Script

Checks a DNS server for the predictable-port recursion vulnerability. Predictable source ports can make a DNS server vulnerable to cache poisoning attacks see CVE-2008-1447. The script works by querying porttest.dns-oarc.net see . Be aware that any targets against which this script is run will be...

snmp-sysdescr NSE Script

Attempts to extract system information from an SNMP service. Script Arguments snmp.version See the documentation for the snmp library. creds.service, creds.global See the documentation for the creds library. Example Usage nmap -sU -p 161 --script snmp-sysdescr Script Output | snmp-sysdescr: HP...

sslv2 NSE Script

Determines whether the server supports obsolete and less secure SSLv2, and discovers which ciphers it supports. Script Arguments mssql.domain, mssql.instance-all, mssql.instance-name, mssql.instance-port, mssql.password, mssql.protocol, mssql.scanned-ports-only, mssql.timeout, mssql.username See...

dns-recursion NSE Script

Checks if a DNS server allows queries for third-party names. It is expected that recursion will be enabled on your own internal nameservers. Example Usage nmap -sU -p 53 --script=dns-recursion Script Output PORT STATE SERVICE REASON 53/udp open domain udp-response |dns-recursion: Recursion appear...

smtp-commands NSE Script

Attempts to use EHLO and HELP to gather the Extended commands supported by an SMTP server. Script Arguments smtp.domain or smtp-commands.domain Define the domain to be used in the SMTP commands. smbdomain, smbhash, smbnoguest, smbpassword, smbtype, smbusername See the documentation for the smbaut...

http-open-proxy NSE Script

Checks if an HTTP proxy is open. The script attempts to connect to www.google.com through the proxy and checks for a valid HTTP response code. Valid HTTP response codes are 200, 301, and 302. If the target is an open proxy, this script causes the target to retrieve a web page from www.google.com...