topic Re: Malicious requests from 65.154.226.XXX to our service in General Topics

Malicious requests from 65.154.226.XXX to our service

SaSupNL — Fri, 24 Jan 2020 09:19:55 GMT

Hello,

We are hosting a cloud solution and we have identified a increased amount of malicious requests all originating from 65.154.226.XXX IP ranges. Most of them coming from 65.154.226.126, 65.154.226.220 and 65.154.226.100. It turns out these IPs originate from paloaltonetworks.com, that is why I am posting it here.

According to AbuseIPDB these IPs are being reported by users for abuse (see https://www.abuseipdb.com/check/65.154.226.100), but AbuseIPDB itself is stating the IPs are whitelisted as being typically owned by trusted entities, such as Google or Microsoft who may use them for search engine spiders. However, these same entities sometimes also provide cloud servers and mail services which are easily abused. Pay special attention when trusting or distrusting these IPs.

Should we block all requests to our cloud service from the 65.154.226.XXX range?

Thanks.

Re: Malicious requests from 65.154.226.XXX to our service

OtakarKlier — Fri, 24 Jan 2020 21:36:00 GMT

Hello @reaper @kiwi ,

Would this the PANURL scanning for updates?

Thoughts?

Re: Malicious requests from 65.154.226.XXX to our service

DPoppleton — Wed, 29 Jan 2020 20:50:34 GMT

Those are the PAN-DB webcrawlers. I opened a case about this about a month ago.

Re: Malicious requests from 65.154.226.XXX to our service

Samson_Colaco — Thu, 19 Oct 2023 09:50:28 GMT

Any update on this?

Re: Malicious requests from 65.154.226.XXX to our service

kiwi — Thu, 19 Oct 2023 10:40:51 GMT

Hi @Samson_Colaco ,

As mentioned earlier these are webcrawlers.

PAN-DB, uses automated systems to identify and categorize content on the internet. It has been observed that certain suspicious activity in some customer networks has caused the URL Filtering systems to look up IP addresses that are not recognized. To better understand these websites, automated programs, called crawlers are sent to visit the systems with those IP addresses.

This scanning is harmless and does not pose any risk to the organization, this scanning is part of PANs normal operations and is done to ensure the security and effectiveness of our URL Filtering service.

Kind regards,

-Kim.

Re: Malicious requests from 65.154.226.XXX to our service

Samson_Colaco — Thu, 19 Oct 2023 10:44:37 GMT

Is there any defined IP subnet by palo alto for web crawling , if so sharing the same would really help alot.

Re: Malicious requests from 65.154.226.XXX to our service

kiwi — Thu, 19 Oct 2023 12:45:50 GMT

Hi @Samson_Colaco ,

I'm not aware of the specific IPs for webcrawling but the entire /24 seems to be assigned to PAN:

NetRange:       65.154.226.0 - 65.154.226.255
CIDR:           65.154.226.0/24
NetName:        Q0123-65-154-226-0
NetHandle:      NET-65-154-226-0-1
Parent:         CENTURYLINK-LEGACY-QWEST-INET-18 (NET-65-128-0-0-1)
NetType:        Reassigned
OriginAS:       AS209
Organization:   PALO ALTO NETWORKS (PALOA)
RegDate:        2020-01-23
Updated:        2020-01-23
Ref:            https://rdap.arin.net/registry/ip/65.154.226.0

Kind regards,

-Kim.