Emulation of Malicious Shellcode With Speakeasy

In order to enable emulation of malware samples at scale, we have developed the Speakeasy emulation framework. Speakeasy aims to make it as easy as possible for users who are not malware analysts to acquire triage reports in an automated way, as well as enabling reverse engineers to write custom...

Threat Roundup for August 14 to August 21

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between Aug. 14 and Aug. 21. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics...

Threat Roundup for July 31 to August 7

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between July 31 and Aug. 7. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

Bypassing MassLogger Anti-Analysis — a Man-in-the-Middle Approach

The FireEye Front Line Applied Research & Expertise FLARE Team attempts to always stay on top of the most current and emerging threats. As a member of the FLARE Reverse Engineer team, I recently received a request to analyze a fairly new credential stealer identified as MassLogger. Despite the la...

Threat Roundup for July 17 to July 24

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between July 17 and July 24. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics...

Threat Roundup for July 24 to July 31

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between July 24 and July 31. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics...

Exploit for Path Traversal in F5 Big-Ip_Access_Policy_Manager

CVE-2020-5902 IoC Detection Tool This script is intended to b...

Threat Roundup for July 10 to July 17

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between July 10 and July 17. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics...

Threat Roundup for July 3 to July 10

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between July 3 and July 10. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

Threat Roundup for June 19 to June 26

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 19 and June 26. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics...

Cisco Releases Security Advisory for Telnet Vulnerability in IOS XE Software

Cisco has released a security advisory on a Telnet vulnerability—CVE-2020-10188—affecting Cisco IOS XE devices. A remote attacker could exploit this vulnerability to take control of an affected system. The advisory contains workarounds as well as indicators of compromise. The Cybersecurity and...

Threat Roundup for June 5 to June 12

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between June 5 and June 12. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

CERT NZ Releases Advisory on Ransomware Campaign

The New Zealand Computer Emergency Response Team CERT NZ has released an advisory on a ransomware campaign leveraging remote access technologies. Malicious cyber actors are targeting organizations’ networks through remote access tools, such as Remote Desktop Protocol and virtual private networks,...

CVE-2020-0543

creationtimestamp| type| source ---|---|--- 2020-06-10 15:05:51+00:00| seen| https://t.me/thehackernews/726 2020-07-20 08:49:20+00:00| seen| https://t.me/SecLabNews/7808 2024-10-28 15:29:36+00:00| published-proof-of-concept| https://t.me/CyberSecurityTechnologies/1245...

Threat Roundup for May 29 to June 5

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between May 29 and June 5. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

Success in security: reining in entropy

Your network is unique. It’s a living, breathing system evolving over time. Data is created. Data is processed. Data is accessed. Data is manipulated. Data can be forgotten. The applications and users performing these actions are all unique parts of the system, adding degrees of disorder and...

Threat Roundup for May 8 to May 15

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between May 8 and May 15. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

Analyzing Dark Crystal RAT, a C# Backdoor

The FireEye Mandiant Threat Intelligence Team helps protect our customers by tracking cyber attackers and the malware they use. The FLARE Team helps augment our threat intelligence by reverse engineering malware samples. Recently, FLARE worked on a new C variant of Dark Crystal RAT DCRat that the...

Threat Roundup for May 1 to May 8

Today, Talos is publishing a glimpse into the most prevalent threats we've observed between May 1 and May 8. As with previous roundups, this post isn't meant to be an in-depth analysis. Instead, this post will summarize the threats we've observed by highlighting key behavioral characteristics,...

Path traversal

A vulnerability in the HTTP/HTTPS service used by J-Web, Web Authentication, Dynamic-VPN DVPN, Firewall Authentication Pass-Through with Web-Redirect, and Zero Touch Provisioning ZTP allows an unauthenticated attacker to perform local file inclusion LFI or path traversal. Using this vulnerability...