Engineering at Meta

MAY 3, 2023

Novel NodeStealer malware: An in-depth analysis In late January 2023, our security team identified a new malware NodeStealer that targeted internet browsers on Windows with a goal of stealing cookies and saved usernames and passwords to ultimately compromise Facebook, Gmail, and Outlook accounts. environment.

Cookie 116

Cookie Internet JavaScript Media 116

Kentik

JANUARY 10, 2022

This includes all HTML, style sheets, cookies, any javascript that has to execute, etc. Domain lookup time : When a connection is made to a domain, the local operating system must first reach out to the DNS to resolve that hostname to an IP address. Your PC sends out what is called a “SYN” packet to the destination’s IP address.

IP Address 98

IP Address DNS TCP Application 98

CloudFaire

DECEMBER 23, 2024

The large pool of IP addresses and the diversity of networks poses a challenge to traditional bot defense mechanisms that rely on IP reputation and rate limiting. Moreover, the diversity of IP addresses enables the attackers to rotate through them indefinitely.

IP Address 75

IP Address Cookie Network Networking 75

Kentik

DECEMBER 13, 2021

While you’re at the browser, clear cached files and cookies. If you “ain’t afraid of getting dirty,” use the Wireshark packet analyzer to see if your connection to the SaaS applications’ IP address is suffering from any packet loss. Just for testing, close them. Sometimes these files get corrupt or cause wacky problems.

Application 95

Application DNS Routers Server 95

Slack Engineering

DECEMBER 9, 2024

Allowlisting CIDR Ranges and ASNs If an organization knows that certain IP addresses or network ranges are associated with legitimate activities, Slack provides a way for customers to allowlist these sources. This combination could indicate that an external party has obtained a user’s cookie and is using it to scrape data.

IP Address 54

IP Address Cookie VPN Engineering 54

CATO Networks

APRIL 21, 2024

The vulnerability is in the SESSID cookie value, which creates a new file for every session as root. An investigation of the IP address reveals that it is associated with a known Sysrv Botnet. It is found in multiple versions of PAN-OS, the operating system that powers Palo Altos firewall appliances.

SASE 52

SASE Firewall DNS Access Point 52

CATO Networks

SEPTEMBER 28, 2016

This technique is often used to support user ad-targeting, without the use of cookies that are disabled or not allowed in various regions. The referred HTML contains several scripts intended to create the device fingerprint for users accessing the site.

JavaScript 52

JavaScript Server Cookie IP Address 52