Me: Threat-hunting rare DNS lookups in a corporate network. Confluence: https://www.google.com/search?&q=%22atlassian-domain-for-localhost-connections-only.com%22 …pic.twitter.com/pse4VwORiZ
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Vulnerability researcher at Google. This is a personal stream, opinions expressed are mine.
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| Country | Code | For customers of |
|---|---|---|
| United States | 40404 | (any) |
| Canada | 21212 | (any) |
| United Kingdom | 86444 | Vodafone, Orange, 3, O2 |
| Brazil | 40404 | Nextel, TIM |
| Haiti | 40404 | Digicel, Voila |
| Ireland | 51210 | Vodafone, O2 |
| India | 53000 | Bharti Airtel, Videocon, Reliance |
| Indonesia | 89887 | AXIS, 3, Telkomsel, Indosat, XL Axiata |
| Italy | 4880804 | Wind |
| 3424486444 | Vodafone | |
| » See SMS short codes for other countries | ||
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Me: Threat-hunting rare DNS lookups in a corporate network. Confluence: https://www.google.com/search?&q=%22atlassian-domain-for-localhost-connections-only.com%22 …pic.twitter.com/pse4VwORiZ
Did you know you just dropped a 0day on twitter? 
Wait... are you serious? They... actually embed the private cert somewhere? I was just laughing at the domain name.
Yes, it happens sometimes, as soon as someone pulls out the key the CA is required to revoke it. They probably did it to avoid mixed-content warnings, as you can probably guess... it's not the correct solution. Anyone using this app is vulnerable to trivial MITM 
Interestingly, that host doesn't show up in http://crt.sh , so they didn't do the most convenient common bad thing.
I pulled out the certificates here, they do seem valid at first glance, not sure why they didn't get logged in CT.
https://pastebin.com/F8UD8Ypb

It seems like Atlassian are a CVE CNA, you can ask them to assign a CVE if you like! (seriously, this is a real vulnerability) https://cve.mitre.org/cve/request_id.html#a …
discord used to do this, but the private key file was named "not_a_security_vulnerability.key"
That's hilarious, going to start using #define not_a_vulnerability strcpy in all my code.
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