PyCript
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Anof-cyber
I'm also having problems with clicking on PyCript
Hello! I am very honored to find such a good encryption and decryption plug-in, but I encountered a very confused problem during the use. I just came into contact with this plug-in. I tried to solve it with AI and read the relevant manual documents, but I still can't find the problem. I will list the detailed process below as follows. I hope you can get your help. I want to use JSrpc remote to call the front-end js code in the encryption and decryption functions so that I do not need to the relevant encryption and decryption functions for the construction at the same time can also solve the magic after some encryption, directly using its original encryption and decryption functions for testing. So I combined the Jsrpc call into the PyCript encryption and decryption script, I used python language to write. The data to be decrypted is：
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
According to the PyCript manual I converted the data to be decrypted into a byte array and I named the conversion script test_data_encrytp.py with the following code：
import json
import os
script_dir = os.path.dirname(os.path.abspath(__file__))
encrypted_data = "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"
byte_array = [ord(c) for c in encrypted_data]
file_path = os.path.join(script_dir, 'test_data.txt')
with open(file_path, 'w', encoding='utf-8') as f:
f.write(json.dumps(byte_array))
f.write('\n--BODY_END--\n')
f.write('\r\n')
The converted byte array data is：
[122, 97, 108, 87, 85, 89, 81, 49, 79, 75, 115, 71, 85, 89, 122, 68, 110, 114, 118, 76, 51, 103, 119, 53, 65, 48, 88, 69, 102, 67, 74, 105, 76, 74, 67, 107, 80, 75, 65, 117, 81, 66, 117, 97, 82, 109, 51, 53, 47, 55, 89, 51, 103, 53, 101, 109, 110, 71, 80, 69, 52, 66, 76, 109, 81, 49, 106, 66, 112, 72, 105, 121, 47, 74, 72, 85, 76, 43, 99, 80, 71, 76, 49, 110, 100, 74, 74, 110, 66, 103, 117, 113, 121, 104, 109, 89, 65, 53, 78, 114, 115, 117, 55, 69, 86, 68, 77, 67, 66, 54, 106, 74, 114, 43, 81, 51, 122, 121, 65, 87, 74, 50, 98, 70, 53, 78, 98, 52, 51, 99, 75, 120, 50, 102, 90, 50, 50, 79, 104, 99, 51, 89, 122, 113, 72, 84, 121, 117, 86, 48, 69, 90, 103, 82, 84, 90, 85, 115, 70, 114, 56, 78, 43, 50, 75, 54, 75, 110, 43, 52, 110, 50, 90, 82, 71, 52, 78, 56, 68, 50, 49, 76, 56, 77, 105, 48, 51, 101, 84, 120, 85, 71, 43, 54, 110, 77, 82, 112, 71, 122, 52, 56, 47, 119, 120, 110, 57, 120, 81, 82, 73, 118, 88, 88, 105, 53, 99, 98, 47, 75, 71, 43, 88, 48, 98, 52, 103, 68, 112, 77, 55, 106, 77, 98, 65, 101, 65, 75, 54, 48, 116, 85, 56, 117, 67, 75, 90, 69, 67, 55, 54, 106, 102, 76, 74, 89, 76, 114, 89, 51, 49, 66, 119, 103, 122, 81, 115, 54, 66, 99, 114, 70, 48, 109, 114, 114, 120, 51, 57, 85, 75, 54, 68, 98, 106, 113, 116, 101, 116, 47, 116, 83, 82, 82, 68, 51, 78, 118, 85, 75, 43, 105, 82, 113, 107, 49, 105, 99, 101, 117, 55, 112, 71, 98, 74, 101, 110, 112, 115, 78, 114, 105, 100, 84, 72, 54, 121, 52, 50, 122, 81, 71, 57, 67, 67, 48, 56, 97, 57, 98, 105, 110, 99, 67, 89, 113, 69, 52, 49, 116, 81, 43, 83, 47, 54, 83, 48, 118, 78, 52, 110, 104, 69, 56, 86, 113, 112, 82, 51, 57, 68, 118, 87, 53, 73, 108, 80, 74, 55, 54, 84, 105, 87, 51, 70, 81, 110, 105, 121, 107, 114, 113, 122, 76, 66, 103, 88, 109, 113, 116, 48, 75, 71, 73, 89, 98, 51, 102, 86, 74, 90, 100, 111, 121, 43, 115, 86, 109, 50, 120, 68, 49, 121, 83, 83, 52, 65, 121, 105, 121, 88, 98, 75, 106, 65, 50, 81, 110, 80, 105, 110, 100, 55, 121, 77, 87, 119, 80, 121, 69, 108, 48, 116, 90, 85, 56, 122, 82, 48, 101, 50, 87, 98, 101, 85, 109, 47, 122, 89, 100, 49, 118, 67, 104, 111, 69, 99, 48, 81, 83, 97, 110, 55, 105, 118, 56, 111, 57, 101, 51, 106, 118, 72, 72, 85, 52, 55, 122, 43, 87, 89, 52, 84, 88, 115, 54, 47, 66, 87, 78, 67, 83, 106, 87, 68, 105, 57, 98, 73, 118, 82, 82, 89, 86, 66, 50, 55, 47, 110, 53, 65, 111, 72, 104, 65, 53, 114, 120, 104, 103, 87, 118, 52, 90, 72, 76, 90, 117, 70, 110, 72, 69, 47, 67, 57, 55, 100, 68, 121, 78, 119, 83, 113, 122, 101, 81, 122, 77, 55, 85, 65, 111, 102, 81, 119, 89, 48, 118, 67, 110, 122, 43, 84, 71, 113, 71, 55, 116, 99, 97, 52, 80, 66, 107, 103, 110, 78, 47, 66, 98, 105, 100, 109, 104, 113, 76, 107, 79, 106, 73, 47, 112, 118, 83, 87, 97, 107, 56, 98, 87, 80, 76, 83, 79, 88, 88, 74, 66, 103, 109, 77, 69, 65, 84, 101, 53, 48, 80, 49, 101, 102, 109, 82, 50, 116, 103, 55, 55, 108, 115, 121, 106, 79, 51, 67, 80, 75, 102, 112, 121, 65, 76, 73, 57, 78, 118, 118, 86, 68, 107, 102, 47, 68, 54, 81, 67, 86, 108, 68, 112, 49, 52, 47, 106, 66, 81, 48, 48, 109, 71, 67, 50, 114, 120, 49, 65, 48, 69, 70, 110, 114, 80, 97, 88, 103, 90, 71, 49, 99, 53, 88, 90, 101, 65, 80, 67, 55, 121, 55, 68, 66, 71, 86, 122, 66, 102, 65, 106, 110, 85, 74, 116, 43, 118, 118, 80, 116, 66, 79, 83, 118, 106, 72, 107, 84, 100, 110, 119, 74, 121, 51, 120, 80, 43, 71, 83, 88, 98, 69, 77, 69, 118, 121, 106, 99, 102, 83, 69, 65, 74, 90, 89, 50, 70, 104, 57, 110, 57, 80, 47, 118, 106, 73, 117, 117, 51, 56, 51, 79, 89, 67, 117, 81, 116, 52, 111, 55, 105, 110, 75, 115, 79, 100, 73, 77, 56, 80, 77, 77, 101, 48, 61]
--BODY_END--
Then according to the PyCript manual combined with JsRpc call method, I wrote a decryption script called JsRpc_PyCript_Decrypt.py, the code is as follows：
import json
from pathlib import Path
import argparse
import requests
def decrypt(ciphertext):
url = "http://127.0.0.1:12080/go"
data = {
"group": "zzz",
"action": "Decrypt",
"param": json.dumps({
"data": ciphertext,
"t": "73647333323461643435336b75747276"
})
}
try:
response = requests.post(url, data=data)
if response.status_code == 200:
return json.loads(response.text)['data']
else:
print(f"JSRPC request failed with status code：{response.status_code}")
return ciphertext
except Exception as e:
print(f"Error when calling JSRPC：{str(e)}")
return ciphertext
def read_parse_header(headers_raw):
return headers_raw
parser = argparse.ArgumentParser(
description='Process encrypted/decrypted data.'
)
parser.add_argument(
'-d', '--data',
required=True,
help='Path to temp file containing request/response data'
)
args = parser.parse_args()
file_path = Path(args.data).resolve()
data = file_path.read_text(encoding='utf-8')
body_end_marker = '\n--BODY_END--\n'
byte_array_str, headers_raw = data.split(body_end_marker)
byte_array = json.loads(byte_array_str.strip())
ciphertext = bytes(byte_array).decode('utf-8')
original_text = decrypt(ciphertext)
updated_header = read_parse_header(headers_raw)
updated_output_byte = [ord(char) for char in original_text]
output = f"{json.dumps(updated_output_byte)}{body_end_marker}{updated_header}"
file_path.write_text(output, encoding='utf-8')
Similarly I wrote the encryption script called JsRpc_PyCript_Encrypt.py with the following code：
import json
from pathlib import Path
import argparse
import requests
def encrypt(ciphertext):
url = "http://127.0.0.1:12080/go"
data = {
"group": "zzz",
"action": "Encrypt",
"param": json.dumps({
"data": ciphertext,
"t": "73647333323461643435336b75747276"
})
}
try:
response = requests.post(url, data=data)
if response.status_code == 200:
return json.loads(response.text)['data']
else:
print(f"JSRPC request failed with status code：{response.status_code}")
return ciphertext
except Exception as e:
print(f"Error when calling JSRPC：{str(e)}")
return ciphertext
def read_parse_header(headers_raw):
return headers_raw
parser = argparse.ArgumentParser(
description='Process encrypted/decrypted data.'
)
parser.add_argument(
'-d', '--data',
required=True,
help='Path to temp file containing request/response data'
)
args = parser.parse_args()
file_path = Path(args.data).resolve()
data = file_path.read_text(encoding='utf-8')
body_end_marker = '\n--BODY_END--\n'
byte_array_str, headers_raw = data.split(body_end_marker)
byte_array = json.loads(byte_array_str.strip())
ciphertext = bytes(byte_array).decode('utf-8')
original_text = encrypt(ciphertext)
updated_header = read_parse_header(headers_raw)
updated_output_byte = [ord(char) for char in original_text]
output = f"{json.dumps(updated_output_byte)}{body_end_marker}{updated_header}"
file_path.write_text(output, encoding='utf-8')
I will JsRpc to all the environment is normally enabled, now I will test locally to see if it can be used normally, I execute JsRpc_PyCript_Decrypt.py decrypt test_data.txt operation, can be normal to get test_data.txt decrypted data, the data is as follows：
[123, 34, 115, 101, 114, 118, 105, 99, 101, 34, 58, 123, 34, 115, 121, 115, 72, 101, 97, 100, 34, 58, 123, 34, 115, 101, 114, 118, 105, 99, 101, 67, 111, 100, 101, 34, 58, 110, 117, 108, 108, 44, 34, 115, 101, 114, 118, 105, 99, 101, 83, 99, 101, 110, 101, 34, 58, 110, 117, 108, 108, 44, 34, 111, 114, 105, 103, 105, 110, 83, 121, 115, 73, 100, 34, 58, 110, 117, 108, 108, 44, 34, 115, 121, 115, 73, 100, 34, 58, 110, 117, 108, 108, 44, 34, 105, 110, 102, 84, 121, 112, 101, 34, 58, 110, 117, 108, 108, 44, 34, 116, 114, 97, 110, 77, 111, 100, 101, 34, 58, 110, 117, 108, 108, 44, 34, 117, 115, 101, 114, 73, 100, 34, 58, 110, 117, 108, 108, 44, 34, 116, 114, 97, 110, 67, 111, 100, 101, 34, 58, 110, 117, 108, 108, 44, 34, 112, 114, 100, 67, 111, 100, 101, 34, 58, 110, 117, 108, 108, 44, 34, 103, 108, 111, 98, 83, 101, 113, 78, 117, 109, 34, 58, 34, 77, 83, 80, 48, 49, 50, 48, 50, 53, 48, 57, 49, 55, 48, 48, 48, 48, 48, 50, 48, 55, 56, 57, 34, 44, 34, 115, 121, 115, 83, 101, 113, 78, 117, 109, 34, 58, 34, 77, 83, 80, 48, 49, 50, 48, 50, 53, 48, 57, 49, 55, 48, 48, 48, 48, 48, 50, 48, 55, 56, 57, 77, 83, 80, 48, 50, 48, 55, 56, 57, 34, 44, 34, 105, 110, 102, 83, 101, 113, 78, 117, 109, 34, 58, 110, 117, 108, 108, 44, 34, 98, 114, 97, 110, 99, 104, 73, 100, 34, 58, 110, 117, 108, 108, 44, 34, 116, 101, 108, 108, 101, 114, 73, 100, 34, 58, 110, 117, 108, 108, 44, 34, 116, 114, 97, 110, 68, 97, 116, 101, 34, 58, 110, 117, 108, 108, 44, 34, 116, 114, 97, 110, 84, 105, 109, 101, 34, 58, 110, 117, 108, 108, 44, 34, 98, 97, 116, 99, 104, 73, 100, 34, 58, 110, 117, 108, 108, 44, 34, 114, 101, 116, 67, 111, 100, 101, 34, 58, 34, 77, 83, 80, 49, 48, 48, 48, 48, 34, 44, 34, 114, 101, 116, 77, 115, 103, 34, 58, 34, 30331, 24405, 22833, 36133, 44, 36134, 21495, 25110, 23494, 30721, 38169, 35823, 65281, 34, 44, 34, 98, 97, 99, 107, 68, 97, 116, 101, 34, 58, 110, 117, 108, 108, 44, 34, 98, 97, 99, 107, 84, 105, 109, 101, 34, 58, 110, 117, 108, 108, 44, 34, 98, 97, 99, 107, 83, 101, 113, 78, 117, 109, 34, 58, 110, 117, 108, 108, 44, 34, 97, 99, 99, 116, 68, 97, 116, 101, 34, 58, 110, 117, 108, 108, 44, 34, 118, 101, 114, 34, 58, 110, 117, 108, 108, 125, 44, 34, 97, 112, 112, 72, 101, 97, 100, 34, 58, 123, 34, 97, 116, 116, 114, 105, 98, 117, 116, 101, 84, 101, 120, 116, 34, 58, 110, 117, 108, 108, 44, 34, 112, 97, 103, 101, 78, 117, 109, 34, 58, 49, 44, 34, 112, 97, 103, 101, 83, 105, 122, 101, 34, 58, 53, 44, 34, 116, 111, 116, 97, 108, 78, 117, 109, 34, 58, 48, 125, 44, 34, 98, 111, 100, 121, 34, 58, 110, 117, 108, 108, 125, 44, 34, 115, 117, 99, 99, 101, 115, 115, 34, 58, 102, 97, 108, 115, 101, 125]
--BODY_END--
Then I wrote a script called: test_data_encrytp.py to do the byte array conversion, the code is as follows：
ascii_values = [123, 34, 115, 101, 114, 118, 105, 99, 101, 34, 58, 123, 34, 115, 121, 115, 72, 101, 97, 100, 34, 58, 123, 34, 115, 101, 114, 118, 105, 99, 101, 67, 111, 100, 101, 34, 58, 110, 117, 108, 108, 44, 34, 115, 101, 114, 118, 105, 99, 101, 83, 99, 101, 110, 101, 34, 58, 110, 117, 108, 108, 44, 34, 111, 114, 105, 103, 105, 110, 83, 121, 115, 73, 100, 34, 58, 110, 117, 108, 108, 44, 34, 115, 121, 115, 73, 100, 34, 58, 110, 117, 108, 108, 44, 34, 105, 110, 102, 84, 121, 112, 101, 34, 58, 110, 117, 108, 108, 44, 34, 116, 114, 97, 110, 77, 111, 100, 101, 34, 58, 110, 117, 108, 108, 44, 34, 117, 115, 101, 114, 73, 100, 34, 58, 110, 117, 108, 108, 44, 34, 116, 114, 97, 110, 67, 111, 100, 101, 34, 58, 110, 117, 108, 108, 44, 34, 112, 114, 100, 67, 111, 100, 101, 34, 58, 110, 117, 108, 108, 44, 34, 103, 108, 111, 98, 83, 101, 113, 78, 117, 109, 34, 58, 34, 77, 83, 80, 48, 49, 50, 48, 50, 53, 48, 57, 49, 55, 48, 48, 48, 48, 48, 50, 48, 55, 56, 57, 34, 44, 34, 115, 121, 115, 83, 101, 113, 78, 117, 109, 34, 58, 34, 77, 83, 80, 48, 49, 50, 48, 50, 53, 48, 57, 49, 55, 48, 48, 48, 48, 48, 50, 48, 55, 56, 57, 77, 83, 80, 48, 50, 48, 55, 56, 57, 34, 44, 34, 105, 110, 102, 83, 101, 113, 78, 117, 109, 34, 58, 110, 117, 108, 108, 44, 34, 98, 114, 97, 110, 99, 104, 73, 100, 34, 58, 110, 117, 108, 108, 44, 34, 116, 101, 108, 108, 101, 114, 73, 100, 34, 58, 110, 117, 108, 108, 44, 34, 116, 114, 97, 110, 68, 97, 116, 101, 34, 58, 110, 117, 108, 108, 44, 34, 116, 114, 97, 110, 84, 105, 109, 101, 34, 58, 110, 117, 108, 108, 44, 34, 98, 97, 116, 99, 104, 73, 100, 34, 58, 110, 117, 108, 108, 44, 34, 114, 101, 116, 67, 111, 100, 101, 34, 58, 34, 77, 83, 80, 49, 48, 48, 48, 48, 34, 44, 34, 114, 101, 116, 77, 115, 103, 34, 58, 34, 30331, 24405, 22833, 36133, 44, 36134, 21495, 25110, 23494, 30721, 38169, 35823, 65281, 34, 44, 34, 98, 97, 99, 107, 68, 97, 116, 101, 34, 58, 110, 117, 108, 108, 44, 34, 98, 97, 99, 107, 84, 105, 109, 101, 34, 58, 110, 117, 108, 108, 44, 34, 98, 97, 99, 107, 83, 101, 113, 78, 117, 109, 34, 58, 110, 117, 108, 108, 44, 34, 97, 99, 99, 116, 68, 97, 116, 101, 34, 58, 110, 117, 108, 108, 44, 34, 118, 101, 114, 34, 58, 110, 117, 108, 108, 125, 44, 34, 97, 112, 112, 72, 101, 97, 100, 34, 58, 123, 34, 97, 116, 116, 114, 105, 98, 117, 116, 101, 84, 101, 120, 116, 34, 58, 110, 117, 108, 108, 44, 34, 112, 97, 103, 101, 78, 117, 109, 34, 58, 49, 44, 34, 112, 97, 103, 101, 83, 105, 122, 101, 34, 58, 53, 44, 34, 116, 111, 116, 97, 108, 78, 117, 109, 34, 58, 48, 125, 44, 34, 98, 111, 100, 121, 34, 58, 110, 117, 108, 108, 125, 44, 34, 115, 117, 99, 99, 101, 115, 115, 34, 58, 102, 97, 108, 115, 101, 125]
result = ''.join(chr(value) for value in ascii_values)
print(result)
I converted the decrypted byte array to get the plaintext information and I found success with the following results：
To this step I feel that the PyCript encryption and decryption script I wrote can be executed normally, I loaded it into the PyCript plugin for execution, and the site normally requests packets as follows：
POST /prod-api/auth/login HTTP/1.1
Host: x.x.x.x
Cookie: ticket=""; containerStyle=0; leftMenu=0; sidebarRight=0; Encrypt=true; sidebarStatus=1
Content-Length: 64
Pragma: no-cache
Cache-Control: no-cache
Sec-Ch-Ua-Platform: "Windows"
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36 NetType/WIFI MicroMessenger/7.0.20.1781(0x6700143B) WindowsWechat(0x6309071d) XWEB/8461 Flue
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Sec-Ch-Ua: "Chromium";v="140", "Not=A?Brand";v="24", "Google Chrome";v="140"
Content-Type: application/json;charset=UTF-8
Istoken: false
Sec-Ch-Ua-Mobile: ?0
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: cors
Sec-Fetch-Dest: empty
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.9
Priority: u=1, i
Connection: keep-alive
e4Hzgn8lZjjge6fEfL7euu6h/tVHf0VN4IfBUiFlDEO3ScoMMFIdAT+RAdyVAd+7
But I find that the page is blank when I click on PyCript.
I tried to check the Logging situation but found that no errors are generated and all data is normal.
This problem has been bothering me for a long time, I can't find a solution now, can you help me, I need your help. If you can you can not record or give details of the case to use the document, so that I am conducive to such a novice to read the use of the last would like to say that this plug-in is really very convenient and very applicable, thank you for your contribution!
