Chinese Hackers Target Major Southeast Asian Telecom Companies

Three distinct clusters of malicious activities operating on behalf of Chinese state interests have staged a series of attacks to target networks belonging to at least five major telecommunications companies located in Southeast Asian countries since 2017. "The goal of the attackers behind these...

Chinese Gas Pipeline Intrusion Campaign, 2011 to 2013

Summary This Advisory uses the MITRE Adversarial Tactics, Techniques, and Common Knowledge ATT &CK® framework, Version 9. See the ATT&CK for Enterprise for all referenced threat actor tactics and techniques. Note: CISA released technical information, including indicators of compromise IOCs,...

US offers huge reward in fight against state-sponsored cybercriminals

The US Department of State has announced that its Rewards for Justice RFJ program is now offering: …up to $10 million for information leading to the identification or location of any person who, while acting at the direction or under the control of a foreign government, participates in malicious...

What is Advanced Persistent Threat (APT) and security measures❓

Advanced persistent threat is a targeted attack against a specific entity, usually a corporation or government agency, that has the goal of obtaining information or access to computer systems. APTs rely on targeted attacks to achieve success. While malware and phishing attacks are not new, the AP...

North Korea Exploited VPN Flaw to Hack South's Nuclear Research Institute

South Korea's state-run Korea Atomic Energy Research Institute KAERI on Friday disclosed that its internal network was infiltrated by suspected attackers operating out of its northern counterpart. The intrusion is said to have taken place on May 14 through a vulnerability in an unnamed virtual...

PT-2021-4648 · Microsoft · Windows Mshtml Platform +1

Name of the Vulnerable Software and Affected Versions: Windows MSHTML Platform affected versions not specified Description: The issue is related to a buffer overflow in memory, allowing a remote attacker to execute arbitrary code. This can affect the system and potentially lead to information...

GitHub Updates Policy to Remove Exploit Code When Used in Active Attacks

Code-hosting platform GitHub Friday officially announced a series of updates to the site's policies that delve into how the company deals with malware and exploit code uploaded to its service. "We explicitly permit dual-use security technologies and content related to research into vulnerabilitie...

Cobalt Strike, a penetration testing tool abused by criminals

If you were to compose a list of tools and software developed by security and privacy defenders that ended up being abused by the bad guys, then Cobalt Strike would unfortunately be near the top of the list. Maybe only Metasploit could give it a run for the first place ranking. Metasploit—probabl...

Data Wiper Malware Disguised As Ransomware Targets Israeli Entities

Researchers on Tuesday disclosed a new espionage campaign that resorts to destructive data-wiping attacks targeting Israeli entities at least since December 2020 that camouflage the malicious activity as ransomware extortions. Cybersecurity firm SentinelOne attributed the attacks to a nation-stat...

Elizabethan England has nothing on modern-day Russia

This post was authored by Warren Mercer and Vitor Ventura The threat landscape is changing. Organizations need to defend against an ever-evolving tranche of threat actors. For a long time, the lines that distinguish state-sponsored and crimeware groups were well-defined. We believe this is... Thi...

‘Agrius’ APT Launches Wiper Attacks Against Israelis

A new attack group called Agrius is launching damaging wiper attacks against Israeli targets, which researchers said are hiding behind ransomware to make their state-sponsored activities appear financially motivated. Sentinel Labs analysts said they have been tracking Agrius’ operations in Israel...

Researchers Uncover Iranian State-Sponsored Ransomware Operation

Iran has been linked to yet another state-sponsored ransomware operation through a contracting company based in the country, according to new analysis. "Iran's Islamic Revolutionary Guard Corps IRGC was operating a state-sponsored ransomware campaign through an Iranian contracting company called...

PortDoor Espionage Malware Takes Aim at Russian Defense Sector

A previously undocumented backdoor malware, dubbed PortDoor, is being used by a probable Chinese advanced persistent threat actor APT to target the Russian defense sector, according to researchers. The Cybereason Nocturnus Team observed the cybercriminals specifically going after the Rubin Design...

EFB Tampering 2. Device Integrity

TL;DR Electronic Flight Bag EFB integrity varies between different airlines and devices Aviation cyber security is becoming increasingly prominent with regulators EFBs often connect to unsecure networks including public Wi-Fi Security measures are not always effective and can be inconsistent Devi...

State-sponsored Threat Groups Target Telcos, Steal 5G Secrets

Chinese-language APTs are targeting telecom companies in cyberespionage campaigns aimed at stealing sensitive data and trade secrets tied to 5G technology, according to researchers. The campaigns, dubbed “Operation Diànxùn”, target and lure victims working in the telecom industry. A typical ploy...

Metasploit Wrap-Up

FortiOS Path Traversal Returning community contributor mekhalleh submitted a module targeting a path traversal vulnerability within the SSL VPN web portal in multiple versions of FortiOS. The flaw is leveraged to read the usernames and passwords of currently logged in users which are stored in...

Talos Takes Ep. #43: What you should know about the Microsoft Exchange Server zero-days

The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. We put this episode together quickly this week to address the zero-day vulnerabilities Microsoft disclosed earlier this week in Exchange...

URGENT — 4 Actively Exploited 0-Day Flaws Found in Microsoft Exchange

Microsoft has released emergency patches to address four previously undisclosed security flaws in Exchange Server that it says are being actively exploited by a new Chinese state-sponsored threat actor with the goal of perpetrating data theft. Describing the attacks as "limited and targeted,"...

Multiple Microsoft Exchange zero-day vulnerabilities - ProxyLogon Exploit Chain

Microsoft Exchange Server Remote Code Execution Vulnerability Recent assessments: ccondon-r7 at March 03, 2021 4:10pm UTC reported: Microsoft released details on an active state-sponsored threat campaign attributed to HAFNIUM that is exploiting on-prem Exchange Server installations. Microsoft’s...

Chinese Hackers Targeted India's Power Grid Amid Geopolitical Tensions

Amid heightened border tensions between India and China, cybersecurity researchers have revealed a concerted campaign against India's critical infrastructure, including the nation's power grid, from Chinese state-sponsored groups. The attacks, which coincided with the standoff between the two...