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24
external-recon-methodology/README.md
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@ -33,8 +33,8 @@ An autonomous system number \(**ASN**\) is a **unique number** assigned to an **
An **AS** consists of **blocks** of **IP addresses** which have a distinctly defined policy for accessing external networks and are administered by a single organisation but may be made up of several operators.
It's interesting to find if the **company have assigned any ASN** to find its **IP ranges.** It will be interested to perform a **vulnerability test** against all the **hosts** inside the **scope** and **look for domains** inside these IPs.
**\*\*You can search by** company name**, by** IP **or by** domain **in** [**https://bgp.he.net/**](https://bgp.he.net/)**.
Depending on the region of the company this links could be useful to gather more data:** [**AFRINIC**](https://www.afrinic.net/) **\(Africa\),** [**Arin**](https://www.arin.net/about/welcome/region/)**\(North America\),** [**APNIC**](https://www.apnic.net/) **\(Asia\),** [**LACNIC**](https://www.lacnic.net/) **\(Latin America\),** [**RIPE NCC**](https://www.ripe.net/) **\(Europe\). Anyway, probably all the** useful information **\(IP ranges and Whois\)** appears already in the first link\*\*.
**You can search by** company name**, by** IP **or by** domain **in** [**https://bgp.he.net/**](https://bgp.he.net/)**.
Depending on the region of the company this links could be useful to gather more data:** [**AFRINIC**](https://www.afrinic.net/) **\(Africa\),** [**Arin**](https://www.arin.net/about/welcome/region/)**\(North America\),** [**APNIC**](https://www.apnic.net/) **\(Asia\),** [**LACNIC**](https://www.lacnic.net/) **\(Latin America\),** [**RIPE NCC**](https://www.ripe.net/) **\(Europe\). Anyway, probably all the** useful information **\(IP ranges and Whois\)** appears already in the first link.
```bash
#You can try "automate" this with amass, but it's not very recommended
@ -48,8 +48,8 @@ You can fins the IP and ASN of a domain using [http://ipv4info.com/](http://ipv4
### Looking for vulnerabilities
At this point we known **all the assets inside the scope**, so if you are allowed you could launch some **vulnerability scanner** \(Nessus, OpenVAS\) over all the hosts.
Also, you could launch some [**port scans**](../pentesting/pentesting-network/#discovering-hosts-from-the-outside) **\*\*or use services like** shodan **to find** open ports **and depending on what you find you should** take a look in this book to how to pentest several possible service running**.
Also, It could be worth it to mention that you can also prepare some** default username **and** passwords **lists and try to** bruteforce\*\* services with [https://github.com/x90skysn3k/brutespray](https://github.com/x90skysn3k/brutespray).
Also, you could launch some [**port scans**](../pentesting/pentesting-network/#discovering-hosts-from-the-outside) **or use services like** shodan **to find** open ports **and depending on what you find you should** take a look in this book to how to pentest several possible service running**.
Also, It could be worth it to mention that you can also prepare some** default username **and** passwords **lists and try to** bruteforce services with [https://github.com/x90skysn3k/brutespray](https://github.com/x90skysn3k/brutespray).
## Domains
@ -81,8 +81,8 @@ You can use online tools like:
* [https://viewdns.info/reversewhois/](https://viewdns.info/reversewhois/) - **Free**
* [https://domaineye.com/reverse-whois](https://domaineye.com/reverse-whois) - **Free**
* [https://www.reversewhois.io/](https://www.reversewhois.io/) - **Free**
* \*\*\*\*[https://www.whoxy.com/](https://www.whoxy.com/) - **Free** web, not free API.
* \*\*\*\*[http://reversewhois.domaintools.com/](http://reversewhois.domaintools.com/) - Not free
* [https://www.whoxy.com/](https://www.whoxy.com/) - **Free** web, not free API.
* [http://reversewhois.domaintools.com/](http://reversewhois.domaintools.com/) - Not free
* [https://drs.whoisxmlapi.com/reverse-whois-search](https://drs.whoisxmlapi.com/reverse-whois-search) - Not Free \(only **100 free** searches\)
* [https://www.domainiq.com/](https://www.domainiq.com/) - Not Free
@ -98,10 +98,10 @@ For example, if you see the same **Google Analytics ID** or the same **Adsense I
There are some pages that let you search by these trackers and more:
* [**BuiltWith**](https://builtwith.com/)\*\*\*\*
* \*\*\*\*[**Sitesleuth**](https://www.sitesleuth.io/)\*\*\*\*
* \*\*\*\*[**Publicwww**](https://publicwww.com/)\*\*\*\*
* \*\*\*\*[**SpyOnWeb**](http://spyonweb.com/)\*\*\*\*
* [**BuiltWith**](https://builtwith.com/)
* [**Sitesleuth**](https://www.sitesleuth.io/)
* [**Publicwww**](https://publicwww.com/)
* [**SpyOnWeb**](http://spyonweb.com/)
### **Favicon**
@ -344,3 +344,7 @@ As you can see there is a lot of different vulnerabilities to search for.
**If you have find any vulnerability thanks to this book, please reference the book in your write-up.**
## **References**
* **All free courses of** [**@Jhaddix**](https://twitter.com/Jhaddix) **\(like** [**The Bug Hunter's Methodology v4.0 - Recon Edition**](https://www.youtube.com/watch?v=p4JgIu1mceI)**\)**