Cortex Archives

A pictorial representation of threats to the cloud such as P2PInfect, the P2P worm written in Rust

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P2PInfect: The Rusty Peer-to-Peer Self-Replicating Worm

By William Gamazo and Nathaniel Quist
July 19, 2023 at 10:00 AM

11 min. read

Image showing illustrative example of ransomware like Vice Society with a hand offering money to a second hand holding a key with a computer screen showing a virus image on it

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Vice Society: Profiling a Persistent Threat to the Education Sector

By JR Gumarin
December 6, 2022 at 3:00 AM

13 min. read

Cybercrime conceptual image, covering activity such as the Luna Moth callback phishing campaign

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Threat Assessment: Luna Moth Callback Phishing Campaign

By Kristopher Russo
November 21, 2022 at 3:00 AM

8 min. read

Conceptual image representing malware detection, including the machine learning model that can analyze the DoubleZero .NET wiper.

56,176

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An AI Based Solution to Detecting the DoubleZero .NET Wiper

By Akshata Rao, Zong-Yu Wu and Wenjun Hu
November 18, 2022 at 6:00 PM

7 min. read

Malware conceptual image, covering variants such as Typhon Reborn

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Typhon Reborn With New Capabilities

By Riley Porter and Uday Pratap Singh
November 14, 2022 at 6:00 AM

7 min. read

Malware conceptual image, covering topics such as Cobalt Strike Team Server, which can be abused by malware authors for malicious purposes

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Cobalt Strike Analysis and Tutorial: Identifying Beacon Team Servers in the Wild

By Durgesh Sangvikar, Chris Navarrete, Matthew Tennis, Yanhui Jia, Yu Fu and Siddhart Shibiraj
November 3, 2022 at 6:00 AM

9 min. read

Threat brief image, covering vulnerabilities such as CVE-2022-3786 and CVE-2022-3602, OpenSSL X.509 Buffer Overflows

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Threat Brief: CVE-2022-3786 and CVE-2022-3602: OpenSSL X.509 Buffer Overflows

By Shawn Westfall
November 2, 2022 at 6:00 PM

7 min. read

Banking Trojan techniques conceptual image

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Banking Trojan Techniques: How Financially Motivated Malware Became Infrastructure

By Or Chechik
October 31, 2022 at 6:00 AM

10 min. read

Malware conceptual image, including types of malware such as the Guloader variant covered here.

56,286

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Defeating Guloader Anti-Analysis Technique

By Mark Lim
October 28, 2022 at 6:00 AM

5 min. read

Ransomware conceptual image, covering threat actors such as Ransom Cartel

72,447

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Ransom Cartel Ransomware: A Possible Connection With REvil

By Amer Elsad and Daniel Bunce
October 14, 2022 at 6:00 AM

17 min. read

Threat Brief Image for CVE-2022-41040, CVE-2022-41082, ProxyNotShell

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Threat Brief: CVE-2022-41040 and CVE-2022-41082: Microsoft Exchange Server (ProxyNotShell)

By Shawn Westfall
October 4, 2022 at 4:30 PM

110

8 min. read

Conceptual image representing malware, such as the information stealer IcedID, being delivered by a polyglot file.

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More Than Meets the Eye: Exposing a Polyglot File That Delivers IcedID

By Mark Lim
September 27, 2022 at 6:00 AM

4 min. read

Conceptual image representing adversaries and advanced persistent threats. Here, we discuss a method for finding these groups by hunting for unsigned DLLs.

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Hunting for Unsigned DLLs to Find APTs

By Daniela Shalev and Itay Gamliel
September 26, 2022 at 6:00 AM

137

7 min. read

DNS security and issues such as domain shadowing are represented by the caution sign within a folder structure. Image includes Palo Alto Networks and Unit 42 logos.

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Domain Shadowing: A Stealthy Use of DNS Compromise for Cybercrime

By Janos Szurdi, Rebekah Houser and Daiping Liu
September 21, 2022 at 6:00 AM

7 min. read

A conceptual image representing malware such as OriginLogger

71,193

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OriginLogger: A Look at Agent Tesla’s Successor

By Jeff White
September 13, 2022 at 6:00 AM

14 min. read

Posts tagged with: Cortex

P2PInfect: The Rusty Peer-to-Peer Self-Replicating Worm

Vice Society: Profiling a Persistent Threat to the Education Sector

Threat Assessment: Luna Moth Callback Phishing Campaign

An AI Based Solution to Detecting the DoubleZero .NET Wiper

Typhon Reborn With New Capabilities

Cobalt Strike Analysis and Tutorial: Identifying Beacon Team Servers in the Wild

Threat Brief: CVE-2022-3786 and CVE-2022-3602: OpenSSL X.509 Buffer Overflows

Banking Trojan Techniques: How Financially Motivated Malware Became Infrastructure

Defeating Guloader Anti-Analysis Technique

Ransom Cartel Ransomware: A Possible Connection With REvil

Threat Brief: CVE-2022-41040 and CVE-2022-41082: Microsoft Exchange Server (ProxyNotShell)

More Than Meets the Eye: Exposing a Polyglot File That Delivers IcedID

Hunting for Unsigned DLLs to Find APTs

Domain Shadowing: A Stealthy Use of DNS Compromise for Cybercrime

OriginLogger: A Look at Agent Tesla’s Successor

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