mirror of https://github.com/qwqdanchun/fscan.git
98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
package Plugins
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import (
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"errors"
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"fmt"
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"example.com/fxscan/common"
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"golang.org/x/crypto/ssh"
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"io/ioutil"
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"net"
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"strings"
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"time"
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)
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func SshScan(info *common.HostInfo) (tmperr error) {
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if common.IsBrute {
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return
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}
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starttime := time.Now().Unix()
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for _, user := range common.Userdict["ssh"] {
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for _, pass := range common.Passwords {
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pass = strings.Replace(pass, "{user}", user, -1)
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flag, err := SshConn(info, user, pass)
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if flag == true && err == nil {
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return err
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} else {
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errlog := fmt.Sprintf("[-] ssh %v:%v %v %v %v", info.Host, info.Ports, user, pass, err)
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common.LogError(errlog)
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tmperr = err
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if common.CheckErrs(err) {
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return err
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}
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if time.Now().Unix()-starttime > (int64(len(common.Userdict["ssh"])*len(common.Passwords)) * common.Timeout) {
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return err
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}
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}
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if common.SshKey != "" {
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return err
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}
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}
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}
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return tmperr
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}
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func SshConn(info *common.HostInfo, user string, pass string) (flag bool, err error) {
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flag = false
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Host, Port, Username, Password := info.Host, info.Ports, user, pass
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Auth := []ssh.AuthMethod{}
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if common.SshKey != "" {
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pemBytes, err := ioutil.ReadFile(common.SshKey)
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if err != nil {
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return false, errors.New("read key failed" + err.Error())
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}
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signer, err := ssh.ParsePrivateKey(pemBytes)
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if err != nil {
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return false, errors.New("parse key failed" + err.Error())
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}
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Auth = []ssh.AuthMethod{ssh.PublicKeys(signer)}
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} else {
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Auth = []ssh.AuthMethod{ssh.Password(Password)}
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}
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config := &ssh.ClientConfig{
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User: Username,
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Auth: Auth,
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Timeout: time.Duration(common.Timeout) * time.Second,
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HostKeyCallback: func(hostname string, remote net.Addr, key ssh.PublicKey) error {
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return nil
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},
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}
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client, err := ssh.Dial("tcp", fmt.Sprintf("%v:%v", Host, Port), config)
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if err == nil {
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defer client.Close()
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session, err := client.NewSession()
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if err == nil {
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defer session.Close()
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flag = true
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var result string
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if common.Command != "" {
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combo, _ := session.CombinedOutput(common.Command)
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result = fmt.Sprintf("[+] SSH:%v:%v:%v %v \n %v", Host, Port, Username, Password, string(combo))
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if common.SshKey != "" {
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result = fmt.Sprintf("[+] SSH:%v:%v sshkey correct \n %v", Host, Port, string(combo))
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}
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common.LogSuccess(result)
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} else {
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result = fmt.Sprintf("[+] SSH:%v:%v:%v %v", Host, Port, Username, Password)
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if common.SshKey != "" {
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result = fmt.Sprintf("[+] SSH:%v:%v sshkey correct", Host, Port)
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}
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common.LogSuccess(result)
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}
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}
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}
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return flag, err
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}
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