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Revue de presse francophone :
- Appaloosa AppDome nouent un partenariat pour accompagner les entreprises dans le déploiement et la protection des applications mobiles
- D-Link offre une avec un routeur VPN sans fil AC
- 19 mai Paris Petit-Déjeuner Coreye Développer son business à l'abri des cyberattaques
- POYNTING PRESENTE LA NOUVELLE ANTENNE OMNI-291, SPECIALE MILIEU MARITIME, CÔTIER ET MILIEU HUMIDE
- Flexera Software Les utilisateurs français de PC progressent dans l'application de correctifs logiciels, mais des défis de tailles subsistent
- Riverbed lance SD-WAN basé sur le cloud
- Fujitsu multi-récompensé VMware lui décerne plusieurs Partner Innovation Awards à l'occasion du Partner Leadership Summit
- Zscaler Private Access sécuriser l'accès à distance en supprimant les risques inhérents aux réseaux privés virtuels
- QNAP annonce la sortie de QTS 4.2.1
- Une enquête réalisée par la société de cyber sécurité F-Secure a décelé des milliers de vulnérabilités graves, potentiellement utilisables par des cyber criminels pour infiltrer l'infrastru
- Trouver le juste équilibre entre une infrastructure dédiée et cloud le dilemme de la distribution numérique
- 3 juin - Fleurance - Cybersécurité Territoires
- Cyber-assurances Seules 40 pourcents des entreprises françaises sont couvertes contre les violations de sécurité et les pertes de données
- Des étudiants de l'ESIEA inventent CheckMyHTTPS un logiciel qui vérifie que vos connexions WEB sécurisées ne sont pas interceptées
- Les produits OmniSwitch d'Alcatel-Lucent Enterprise ALE gagnent en sécurité pour lutter contre les cyber-attaques modernes

Dernier articles de SecuObs :
- DIP, solution de partage d'informations automatisée
- Sqreen, protection applicative intelligente de nouvelle génération
- Renaud Bidou (Deny All): "L'innovation dans le domaine des WAFs s'oriente vers plus de bon sens et d'intelligence, plus de flexibilité et plus d'ergonomie"
- Mises à jour en perspective pour le système Vigik
- Les russes ont-ils pwn le système AEGIS ?
- Le ministère de l'intérieur censure une conférence au Canada
- Saut d'air gap, audit de firmware et (in)sécurité mobile au programme de Cansecwest 2014
- GCHQ: Le JTRIG torpille Anonymous qui torpille le JTRIG (ou pas)
- #FIC2014: Entrée en territoire inconnu
- Le Sénat investit dans les monnaies virtuelles

Revue de presse internationale :
- VEHICLE CYBERSECURITY DOT and Industry Have Efforts Under Way, but DOT Needs to Define Its Role in Responding to a Real-world Attack
- Demand letter served on poll body over disastrous Comeleak breach
- The Minimin Aims To Be The Simplest Theremin
- Hacking group PLATINUM used Windows own patching system against it
- Hacker With Victims in 100 Nations Gets 7 Years in Prison
- HPR2018 How to make Komboucha Tea
- Circuit Bender Artist bends Fresnel Lens for Art
- FBI Director Suggests iPhone Hacking Method May Remain Secret
- 2016 Hack Miami Conference May 13-15, 2016
- 8-bit Video Wall Made From 160 Gaming Keyboards
- In An Era Of Decline, News Sites Can t Afford Poor Web Performance
- BeautifulPeople.com experiences data breach 1m affected
- Swedish Air Space Infringed, Aircraft Not Required
- Why cybercriminals attack healthcare more than any other industry
- Setting the Benchmark in the Network Security Forensics Industry

Annuaire des videos
- FUZZING ON LINE PART THREE
- Official Maltego tutorial 5 Writing your own transforms
- Official Maltego tutorial 6 Integrating with SQL DBs
- Official Maltego tutorial 3 Importing CSVs spreadsheets
- install zeus botnet
- Eloy Magalhaes
- Official Maltego tutorial 1 Google s websites
- Official Maltego tutorial 4 Social Networks
- Blind String SQL Injection
- backdoor linux root from r57 php shell VPS khg crew redc00de
- How To Attaque Pc With Back Track 5 In Arabique
- RSA Todd Schomburg talks about Roundup Ready lines available in 2013
- Nessus Diagnostics Troubleshooting
- Panda Security Vidcast Panda GateDefender Performa Parte 2 de 2
- MultiPyInjector Shellcode Injection

Revue Twitter
- RT @fpalumbo: Cisco consistently leading the way ? buys vCider to boost its distributed cloud vision #CiscoONE
- @mckeay Looks odd... not much to go on (prob some slideshow/vid app under Linux)
- [SuggestedReading] Using the HTML5 Fullscreen API for Phishing Attacks
- RT @BrianHonan: Our problems are not technical but cultural. OWASP top 10 has not changed over the years @joshcorman #RSAC
- RT @mikko: Wow. Apple kernels actually have a function called PE_i_can_has_debugger:
- [Blog Spam] Metasploit and PowerShell payloads
- PinkiePie Strikes Again, Compromises Google Chrome in Pwnium Contest at Hack in the Box: For the second time thi...
- @mikko @fslabs y'all wldn't happen to have lat/long data sets for other botnets, wld you? Doing some research (free/open info rls when done)
- RT @nickhacks: Want to crash a remote host running Snow Leopard? Just use: nmap -P0 -6 --script=targets-ipv6-multicast-mld #wishiwaskidding
- An inexpensive proxy service called is actually a front for #malware distribution -

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Revue de presse : security, microsoft, windows, hacker, attack, network, vulnerability, google, exploit, malware, internet, remote, iphone

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Revue Twitter : security, linux, botnet, attack, metasploit, cisco, defcon, phish, exploit, google, inject, server, firewall

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Top bi-hebdo des articles de SecuObs
- [Ettercap – Partie 2] Ettercap par l'exemple - Man In the Middle et SSL sniffing
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- [Infratech - vulnérabilité] Nouvelle version 0.8 de Bluetooth Stack Smasher
- Mises à jour en perspective pour le système Vigik
- USBDumper 2 nouvelle version nouvelles fonctions !
- EFIPW récupère automatiquement le mot de passe BIOS EFI des Macbook Pro avec processeurs Intel
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- Une faille critique de Firefox expose les utilisateurs de Tor Browser Bundle
- Installation sécurisée d'Apache Openssl, Php4, Mysql, Mod_ssl, Mod_rewrite, Mod_perl , Mod_security

Top bi-hebdo de la revue de presse
- StackScrambler and the Tale of a Packet Parsing Bug

Top bi-hebdo de l'annuaire des videos
- DC++ Botnet. How To DDos A Hub With Fake IPs.
- Comment creer un server botnet!!!!(Réseau de pc zombies)
- Defcon 14 Hard Drive Recovery Part 3

Top bi-hebdo de la revue Twitter
- RT @secureideas: I believe that all the XSS flaws announced are fixed in CVS. Will test again tomorrow if so, release 1.4.3. #BASESnort
- Currently, we do not support 100% of the advanced PDF features found in Adobe Reader... At least that's a good idea.
- VPN (google): German Foreign Office Selects Orange Business for Terrestrial Wide: Full
- @DisK0nn3cT Not really, mostly permission issues/info leak...they've had a couple of XSS vulns but nothing direct.
- Swatting phreaker swatted and heading to jail: A 19-year-old American has been sentenced to eleven years in pris..
- RT @fjserna You are not a true hacker if the calc.exe payload is not the scientific one... infosuck.org/0x0035.png

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- Les navigateurs internet, des mini-systèmes d’exploitation hors de contrôle ?
- Yellowsn0w un utilitaire de déblocage SIM pour le firmware 2.2 des Iphone 3G
- CAINE un Live[CD|USB] pour faciliter la recherche légale de preuves numériques de compromission
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- Origami pour forger, analyser et manipuler des fichiers PDF malicieux

Enumerating IPs in X-Forwarded-Headers to bypass 403 restrictions

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Enumerating IPs in X-Forwarded-Headers to bypass 403 restrictions

Par Rob Fuller's broadcasted articles on Inoreader
Le [2015-07-17] à 18:25:51



Présentation : As of late, I have been pentesting more and more applications that use some sort of mechanism to prevent unauthorized access to directories based on client IP addresses. In many cases, this has proven to be a weak method of protection if implemented incorrectly. There have been instances where spoofing IP addresses to web application servers has allowed for full administration access - without any other form of authentication. Take a look at what happened to StackOverflow for example http blog.ircmaxell.com 2012 11 anatomy-of-attack-how-i-hacked.html One such implementation that I commonly see used in protecting WordPress administration panels is to whitelist IP addresses in HTAccess files on Apache servers. Take for example the following .htaccess file located in the wp-admin directory Hosting Environment IPs SetEnvIF X-FORWARDED-FOR 68.180.194.242 AllowIP SetEnvIF X-FORWARDED-FOR 10.0.2.11 AllowIP Personal Computer SetEnvIF X-FORWARDED-FOR 98.139.134.96 AllowIP Now, depending on your web servers configuration, the above configuration could be completely useless. Why Due to the way X-Forwarded-For headers are handled. Due to proxies that may lie between your request and the actual web server hosting the content, the X-Forwarded-For header passed down to the final host being contacted, will usually contain an ordered list of IP addresses. As explained in this blog post, the X-Forwarded-For header will look something like this X-Forwarded-For A, B, C Where A will represent the client s IP address, B will represent an intermediate proxy and C will represent another intermediate proxy. Note there is no limit to the number of proxies in between the server and the request, the X-Forwarded-For could have an unlimited list of IPs in a comma delimited format. As mentioned by the above linked blog post the leftmost IP address is the easiest to forge. For the application server to determine the most trustworthy IP address, it must traverse the chain of proxies in reverse. Not every framework or application does this and from experience, the chances of being able to spoof IP addresses through the X-Forwarded-For header are high. In fact, by adding a large list of IPs, where the IP addresses are the same but comma delimited in the X-Forwarded-For header, have yielded better results for me when bypassing IP restrictions in administration panels. Going back to the HTAccess file I mentioned earlier in this blog post, a simple bypass that allowed for the bypassing of IP restrictions was demonstrated through this GET request GET wp-admin HTTP 1.1 Host vulnsite.com X-Forwarded-For 68.180.194.242, 68.180.194.242, 68.180.194.242, 68.180.194.242 Cookie ilikecookies yes By appending this header, full access to the wp-admin directory was achieved. However, this brought me to another problem. If this wasn t a white box test, I probably wouldn t have tried to gain access to the wp-admin directory with the X-Forwarded-For header set to such a specific IP address. Since there was no such tool that enumerates access to a 403 forbidden resource by enumerating IP addresses in the X-Forwarded-For header at the time of writing this, I created one. This tool can be found here http github.com infosec-au enumXFF All you need to do is run the tool from the terminal giving the following input Page to attempt http https website.com page The content length of the response that you get when you are denied The IP range you wish the tool to attempt through X-Forwarded-For The tool will then simply request the given page with a range of IP addresses and then determine whether or not access to the said page is still forbidden. python3 enumXFF.py -t http sketchysite.com admin -badcl 234 -r 192.168.0.0-192.168.255.255 The above command will attempt to request http sketchysite.com admin with all IP addresses in the range 192.168.0.0-192.168.255.255. The python script takes advantage of asynchronous HTTP requests via the requests-futures module and hence should be fairly quick. Note, this tool only functions on Python3. In addition to this, the enumXFF project on Github also contains a script called generateIPs.py. This will simply generate a list of comma delimited IP addresses that can be input directly to Burp's Intruder. If the tool isn't the best way for you, Burp's Intruder is a reliable option to fall back on. To generate the IPs for the range 192.168.0.0-192.168.255.255, you would need to use the following command python3 generateIPs.py -r 192.168.0.0-192.168.255.255 -o burp_xff_ips.txt Perhaps in the future if time allows, I might port my script over to a simple Burp extension. If you find this blog post useful, feel free to give the project a star on Github or tweet follow me infosec_au

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