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ptg.go
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ptg.go
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package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strconv"
"strings"
"github.com/atotto/clipboard"
ft "github.com/valyala/fasttemplate"
"ptg/encoders"
)
// TEMPLATEPATH
var TEMPLATEPATH string
var TEMPLATEBINARYPATH string
func init() {
pwd, _ := os.Getwd()
exd, _ := os.Executable()
TEMPLATEPATH = filepath.Join(pwd, "template")
TEMPLATEBINARYPATH = filepath.Join(filepath.Dir(exd), "template")
}
// Total Template
var (
TotalTemplate map[string]Template
)
// Template struct
type Template struct {
Name string `json:"name"`
Payload map[string]struct {
Number int `json:"number"`
Template string `json:"template"`
Encoding map[string]string `json:"encoding"`
} `json:"payload"`
}
// Load template from TEMPLAEPATH
func LoadTemplate() {
var fp string
TotalTemplate = make(map[string]Template)
rd, err := ioutil.ReadDir(TEMPLATEPATH)
if err != nil {
rd, err = ioutil.ReadDir(TEMPLATEBINARYPATH)
if err != nil {
Error(fmt.Sprintf("Cannot read from %s and %s", TEMPLATEPATH, TEMPLATEBINARYPATH))
} else {
fp = TEMPLATEBINARYPATH
}
} else {
fp = TEMPLATEPATH
}
for _, fi := range rd {
fname := fi.Name()
if !fi.IsDir() && strings.HasSuffix(fname, ".json") {
bytes, err := ioutil.ReadFile(filepath.Join(fp, fname))
if err != nil {
Error("Cannot read file: " + fname)
}
template := new(Template)
if err := json.Unmarshal([]byte(bytes), &template); err == nil {
TotalTemplate[template.Name] = *template
}
}
}
}
// Parse template and generate payload
func ParseAndGenerate(args []string) {
totalName := args[0]
if !strings.Contains(totalName, ".") {
totalName += ".default"
}
parseArray := strings.Split(totalName, ".")
templateName := parseArray[0]
payloadName := parseArray[1]
template, ok := TotalTemplate[templateName]
if !ok {
Error("No this template")
}
args = args[1:]
payloadStruct, ok := template.Payload[payloadName]
if !ok {
fmt.Println("\n[+] Available payloads in " + templateName + ":")
for k := range template.Payload {
fmt.Println(" - " + k)
}
fmt.Println()
Error("No this payload in template")
}
payloadTemplate := payloadStruct.Template
payloadPlaceholderNumber := payloadStruct.Number
if payloadPlaceholderNumber != len(args) {
fmt.Printf("\n[+] Payload template %s.%s:\n %s\n\n", templateName, payloadName, payloadTemplate)
Error("Arguments number not same as payload template placeholder number")
}
argsMap := make(map[string]interface{}, len(args))
encodingArgs := payloadStruct.Encoding
if encodingArgs != nil { // Encoding arguments
for i := 0; i < len(encodingArgs); i++ {
if i >= len(args) {
break
}
e, ok := encodingArgs[strconv.Itoa(i)]
if !ok {
break
}
eArray := strings.Split(e, ",")
for _, e := range eArray {
args[i] = encoders.GetEncoder(e).Encode(args[i])
}
}
}
// ? use fast template
for i := 0; i < len(args); i++ {
argsMap[strconv.Itoa(i)] = args[i]
}
payload := ft.ExecuteString(payloadTemplate, "{{", "}}", argsMap)
fmt.Println("[+] Generate payload:")
fmt.Println(payload)
CopyPayloadToClipboard(payload)
}
// Copy payload to clipboard
func CopyPayloadToClipboard(payload string) error {
return clipboard.WriteAll(payload)
}
// Print Error and exit
func Error(str string) {
fmt.Println("[-] Error: " + str)
os.Exit(1)
}
// Print Usage
func Usage() {
fmt.Println(`Usage:
ptg template.payload arguments...
Examples:
ptg # show all available templates
ptg pty # show all payload templates in pty
ptg pty.bash
ptg demo.demo test
Available templates:`)
for k := range TotalTemplate {
fmt.Println(" - " + k)
}
fmt.Println()
}
func main() {
LoadTemplate()
if len(os.Args) < 2 {
Usage()
return
} else {
ParseAndGenerate(os.Args[1:])
}
}