netutil

package
v0.0.1 Latest Latest
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 Go to latest Published: Jun 23, 2022 License: MIT Imports: 11 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var AllowedNetworkNames = map[string]struct{}{
	"tcp4":       {},
	"tcp6":       {},
	"udp4":       {},
	"udp6":       {},
	"ip4":        {},
	"ip6":        {},
	"unix":       {},
	"unixgram":   {},
	"unixpacket": {},
}

NetworkNames is a set of the various networks over which the scan can be performed

View Source 
var CommonPorts = map[int]string{
	1:    "tcpmux",
	5:    "rje",
	7:    "echo",
	9:    "discard",
	11:   "systat",
	13:   "daytime",
	20:   "ftp-data",
	21:   "ftp",
	22:   "ssh",
	23:   "telnet",
	25:   "smtp",
	43:   "whois",
	53:   "dns",
	67:   "dhcp",
	68:   "dhcp",
	80:   "http",
	110:  "pop3",
	123:  "ntp",
	137:  "netbios",
	138:  "netbios",
	139:  "netbios",
	143:  "imap4",
	443:  "https",
	513:  "rlogin",
	540:  "uucp",
	554:  "rtsp",
	587:  "smtp",
	873:  "rsync",
	902:  "vmware",
	989:  "ftps",
	990:  "ftps",
	1194: "openvpn",
	3306: "mysql",
	5000: "unpn",
	8080: "https-proxy",
	8443: "https-alt",
}

CommonPorts stores commonly used ports and their associated purpose

View Source 
var SampleDNSResolverAddresses = []string{}/* 1742 elements not displayed */
View Source 
var SampleHTTPUserAgents = []string{
	"Mozilla/5.0 (Linux; Android 10; moto e(7) power Build/QOM30.255-12; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/85.0.4183.101 Mobile Safari/537.36",
	"Mozilla/5.0 (Linux; Android 11; moto g(50) Build/RRFS31.Q1-59-76-2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/92.0.4515.159 Mobile Safari/537.36 EdgW/1.0",
	"Mozilla/5.0 (Linux; Android 10; moto g play (2021)) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.127 Mobile Safari/537.36",
	"Mozilla/5.0 (Linux; Android 10; NOH-NX9) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.120 Mobile Safari/537.36",
	"Mozilla/5.0 (Linux; U; Android 10; zh-cn; BRQ-AN00 Build/HUAWEIBRQ-AN00) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/77.0.3865.120 MQQBrowser/11.9 Mobile Safari/537.36 COVC/045717",
	"Mozilla/5.0 (Linux; Android 11; Samsung SM-A025G) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.166 Mobile Safari/535.19",
	"Mozilla/5.0 (Linux; Android 7.0; SM-G930VC Build/NRD90M; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/58.0.3029.83 Mobile Safari/537.36",
	"Mozilla/5.0 (Linux; Android 11; SM-M127N) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/80.0.3987.119 Mobile Safari/537.36",
	"Mozilla/5.0 (Linux; Android 11; SM-G9910) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.181 Mobile Safari/537.36",
	"Mozilla/5.0 (Linux; Android 11; SM-G998W) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Mobile Safari/537.36",
	"Mozilla/5.0 (Linux; Android 6.0.1; Nexus 6P Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.83 Mobile Safari/537.36",
	"Mozilla/5.0 (Linux; Android 11; moto g(10) power Build/RRBS31.Q1-3-34-1-2; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.105 Mobile Safari/537.36",
	"Mozilla/5.0 (Linux; Android 10; motorola one 5G ace Build/QZK30.Q4-40-55; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/88.0.4324.152 Mobile Safari/537.36",
	"Mozilla/5.0 (Linux; Android 11; SM-A426U) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.105 Mobile Safari/537.36",
	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36",
	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/602.1.50 (KHTML, like Gecko) Version/10.0 Safari/602.1.50",
	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:49.0) Gecko/20100101 Firefox/49.0",
	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36",
	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/602.2.14 (KHTML, like Gecko) Version/10.0.1 Safari/602.2.14",
	"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12) AppleWebKit/602.1.50 (KHTML, like Gecko) Version/10.0 Safari/602.1.50",
	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Safari/537.36 Edge/14.14393",
	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36",
	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
	"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.85 Safari/537.36 Edg/90.0.818.46",
	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36",
	"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
	"Mozilla/5.0 (Windows NT 10.0; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0",
	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36",
	"Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36",
	"Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36",
	"Mozilla/5.0 (Windows NT 6.1; WOW64; rv:49.0) Gecko/20100101 Firefox/49.0",
	"Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko",
	"Mozilla/5.0 (Windows NT 6.3; rv:36.0) Gecko/20100101 Firefox/36.0",
	"Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36",
	"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36",
	"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:49.0) Gecko/20100101 Firefox/49.0",
	"Mozilla/5.0 (X11; CrOS x86_64 13982.82.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.157 Safari/537.36",
}

Functions

func PortRange 

func PortRange(min, max int) map[int]struct{}

PortRange is a utility function to initialize a continuous set of ports

func RandUserAgent 

func RandUserAgent(uagents []string) string

You can pass nil to use the default sample user agents provided by the package

Types

type DefaultPortScanner 

type DefaultPortScanner struct {
	DialTimeout      time.Duration
	ReadTimeout      time.Duration
	BannerBufferSize int
}

DefaultPortScanner is a simple port scanner implementation

func (*DefaultPortScanner) Scan 

func (sps *DefaultPortScanner) Scan(host string, port int, network string) (string, bool)

Host is the IP address or domain name. Port is the UDP / TCP port. Network can be: "tcp", "tcp4" (IPv4-only), "tcp6" (IPv6-only), "udp", "udp4" (IPv4-only), "udp6" (IPv6-only), "ip", "ip4" (IPv4-only), "ip6" (IPv6-only), "unix", "unixgram" and "unixpacket".

type HTTPFlood 

type HTTPFlood struct {
	Context       context.Context // controls how long the attack is performed for
	RequestURL    string          // target URL for the attack
	RequestMethod string          // for ex: "GET"
	RequestBody   io.Reader       // optional, defaults to nil
	UserAgents    []string        // optional, randomly selected from list
	MaxRequests   uint64          // optional, defaults to no maximum
	NumGoroutines int             // optional, defaults to 1
}

func (*HTTPFlood) Attack 

func (hf *HTTPFlood) Attack() error

Attack sends requests in a loop (with the given number of concurrent goroutines) until the deadline is exceeded or the maximum number of requests has been reached.

type MockPortScanner 

type MockPortScanner struct {
	PortBanner string
	PortIsOpen bool
}

func (*MockPortScanner) Scan 

func (mockPS *MockPortScanner) Scan(host string, port int, network string) (string, bool)

type PortScanConfiguration 

type PortScanConfiguration struct {
	Host     string
	Ports    map[int]struct{}
	Networks map[string]struct{}
	Scanner  PortScanner
}

PortScanConfiguration holds configuration variables for the ScanPorts function

type PortScanResult 

type PortScanResult struct {
	Port    int    // port (should be between 0 and 65535)
	Info    string // if port is a common port, the possible purpose is listed here
	Network string // attempted protocol for this port
	IsOpen  bool   // indicates if the port accepts connections
	Banner  string // the banner can provide information about the port
}

PortScanResult stores information about the outcome of a port scan (on a single port and a single network)

func ScanPorts 

func ScanPorts(config PortScanConfiguration) []*PortScanResult

ScanPorts is a utility function to perform port scanning over a range of ports and on one or more networks

type PortScanner 

type PortScanner interface {
	Scan(host string, port int, network string) (string, bool)
}

PortScanner can scan a port on a network for a given host. It returns a possible banner (string read from port connection) and a bool (true if the connection is open)

type SSHConnection 

type SSHConnection struct {
	// contains filtered or unexported fields
}

func NewSSHConnection 

func NewSSHConnection(config SSHConnectionConfig) (*SSHConnection, error)

Returns an error if the credentials are not right Don't forget to call SSHConnection.Close()

func (*SSHConnection) Close 

func (conn *SSHConnection) Close() error

func (*SSHConnection) Run 

func (conn *SSHConnection) Run(command string, stdout, stderr io.Writer) error

returns stdout, stderr and a connection error

type SSHConnectionConfig 

type SSHConnectionConfig struct {
	Address     *net.TCPAddr
	User        string
	Password    string
	DialTimeout time.Duration
}

Source Files

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