Rhino Security Labs
rhinosecuritylabs.com · Company blog · on HN since 2017
Rhino Security Labs is a penetration testing firm that publishes research on AWS attacks, phishing techniques, and open source security tools like Pacu.
What HN saysHN links it for AWS privilege escalation research, the Pacu framework, and phishing evasion write-ups; commenters cite it as a reference for these attacker techniques.
29HN people shared it
10linked it in comments
26stories submitted
77story points
2 years agolast shared
2017people per year2026
Most-shared posts
- 1AWS Privilege Escalation Vulnerabilities4 people · 4 points · first shared 2019 · discussion on HN
- 2Introducing Pacu: The Open Source AWS Exploitation Framework4 people · 4 points · first shared 2018 · discussion on HN
- 3CloudGoat: The ‘Vulnerable-By-Design’ AWS Environment3 people · 7 points · first shared 2018 · discussion on HN
- 4AWS Vulnerabilities and the Attacker’s Perspective2 people · 2 points · first shared 2019 · discussion on HN
- 5Bypassing IP Based Blocking with AWS API Gateway2 people · 1 points · first shared 2019 · discussion on HN
- 6Assume the Worst: Enumerating AWS Roles Through ‘AssumeRole’1 people · 33 points · first shared 2018 · 6 comments on HN
- 7Penetration Testing Amazon Web Services (AWS)1 people · 4 points · first shared 2017 · discussion on HN
- 8Abusing Microsoft Word Features for Phishing: “subDoc”1 people · 3 points · first shared 2018 · discussion on HN
- 9SleuthQL: SQL Injection Discovery Tool1 people · 2 points · first shared 2018 · discussion on HN
- 10The Capital One Breach and “Cloud_breach_s3” CloudGoat Scenario1 people · 2 points · first shared 2019 · 2 comments on HN
- 11Authenticated File Read Vulnerability in JasperReports (CVE-2018-5430)1 people · 2 points · first shared 2018 · discussion on HN
- 12Introducing CFire: Evading CloudFlare Security Protections1 people · 2 points · first shared 2017 · discussion on HN
- 13Unitrends Bug Hunting: Remote Code Execution (CVE-2017-7280) – Chapter 11 people · 2 points · first shared 2017 · discussion on HN
- 14ONELOGIN BREACH: CLOUD SECURITY AND PROTECTING AWS KEYS1 people · 1 points · first shared 2017 · discussion on HN
- 15Exploiting AWS 'AssumeRole' API for IAM Enumeration1 people · 1 points · first shared 2019 · discussion on HN
What HN people wrote when they linked it
leonidasv · 2020-10-29
I love this concept of proof-of-work captchas, but there's a growing number of tools and ways to bypass IP blocks via IP rotation[1], specially after the explosion of IaaS providers. How do you intend to tackle this?
[1] Some examples:
https://rhinosecuritylabs.com/aws/bypassing-ip-based-blocking-aws/
https://oxylabs.io/products/real-time-crawler
https://github.com/alex-miller-0/Tor_Crawler
https://www.scrapinghub.com/crawlera/
lapcat · 2023-03-30
> I would never expect Little Snitch (my opinion) to completely block all network traffic on all levels
It's very easy to say this in retrospect, having read the blog post. How many people would have said it beforehand?
As far as I can tell, hardly anyone has ever said it, except the one other mentioned article from 2021: https://rhinosecuritylabs.com/network-security/bypassing-little-snitch…
Moreover, it seems that Little Snitch changed its behavior at some point in order to use deep packet inspection. It wasn't always that way.
hazmazlaz · 2022-06-27
Yes, that is exactly what a motivated attacker would do to avoid their phishing site getting flagged as malicious. Here is a good article about how that is accomplished: https://rhinosecuritylabs.com/social-engineering/bypassing-email-secur…
poxrud · 2021-02-16
There are a lot of other tools in this space and people that specialize in AWS pentesting. Another popular tool is Pacu: https://rhinosecuritylabs.com/aws/pacu-open-source-aws-exploitation-fr…
bobbiechen · 2020-08-08
Agreed, there is a large learning curve and it took me a long time to wrap my head around it.
It requires a lot of knowledge and discipline, which sooner or later will create holes. For example, if you need to pass a role to a service, you'll need PassRole; if you grant it on " * ", then oops, you might have just created the opportunity for privilege escalation [1].
There's also probably issues specific to your company: allowing access to read resource foo in general is not an issue, except your specific company stores sensitive data there. If every developer is expected to be a security expert, the security risks increase, and the productivity overhead may even be worse than having a dedicated security/IAM team that gatekeeps permissions.
[1] https://rhinosecuritylabs.com/aws/aws-privilege-escalation-methods-mit…
jcims · 2019-12-27
To be fair to the folks at Capital One, the mitigation leverages a feature that wasn't released until well after they were compromised.
https://aws.amazon.com/blogs/security/defense-in-depth-open-firewalls-…
I would also suggest taking a look at the various articles around AWS IAM privilege escalation:
https://rhinosecuritylabs.com/aws/aws-privilege-escalation-methods-mit…
https://know.bishopfox.com/research/privilege-escalation-in-aws (just shared on HN recently)
arkadiyt · 2019-12-27
Some others in this space:
- flAWS (flaws.cloud / flaws2.cloud) by Scott Piper
- CloudGoat (https://rhinosecuritylabs.com/aws/cloudgoat-vulnerable-design-aws-envi… by Rhino Security Labs
defined · 2019-10-22
Support for your assertion: https://rhinosecuritylabs.com/cloud-security/aws-security-vulnerabilit…
carterehsmith · 2017-06-27
> Name a pentesting firm that cares about the OSCP.
Here: https://rhinosecuritylabs.com/company/
lists OCSP and CISSP and a bunch of other certs.
So I guess they care about that.
Now, how about you name the pentesting firm that does not list any certs.
Kocrachon · 2021-02-17
And? Thats not because "AWS" was like "OMG so smart", AWS is already well aware of this issue but lays the blame on "Shared Responsibility" and are likely annoyed that Salesforce, a partner of AWS< released this without communication.
Honestly, my guess is there was a lapse in Salesforce somewhere, where either legal or PR didn't check this because this likely goes against Salesforce and AWS NDA for their partnership. I worked as an AWS partner before, there are requirements that go into place before you can release stuff like this to the public. Plus, having worked with Salesforce as well, I assume they have a PR policy to not use the word "hacking" in tool names or description, especially in regards to partners. My company has similar rules for OSS stuff.
This was more of a bad PR / Legal issue. AWS is well aware that people misconfigure permissions...
And again... better tools and more popular tools already existed... This is not new
https://rhinosecuritylabs.com/aws/pacu-open-source-aws-exploitation-fr…