Microsoft validation error allowed state actor to access user email of government agencies and others

Microsoft is getting criticized for the way in which it handled a serious security incident that allowed a suspected Chinese espionage group to access user email from approximately 25 organizations, including government agencies and related consumer accounts in the public cloud. The attacks were...

Microsoft Bug Allowed Hackers to Breach Over Two Dozen Organizations via Forged Azure AD Tokens

Microsoft on Friday said a validation error in its source code allowed for Azure Active Directory Azure AD tokens to be forged by a malicious actor known as Storm-0558 using a Microsoft account MSA consumer signing key to breach two dozen organizations. "Storm-0558 acquired an inactive MSA consum...

Analysis of Storm-0558 techniques for unauthorized email access

Executive summary On July 11, 2023, Microsoft published two blogs detailing a malicious campaign by a threat actor tracked as Storm-0558 that targeted customer email that weve detected and mitigated: Microsoft Security Response Center and Microsoft on the Issues. As we continue our investigation...

Analysis of Storm-0558 techniques for unauthorized email access

Executive summary On July 11, 2023, Microsoft published two blogs detailing a malicious campaign by a threat actor tracked as Storm-0558 that targeted customer email that weve detected and mitigated: Microsoft Security Response Center and Microsoft on the Issues. As we continue our investigation...

SEO Expert Hired and Fired By Ashley Madison Turned on Company, Promising Revenge

This is Part II of a story published here last week on reporting that went into a new Hulu documentary series on the 2015 Ashley Madison hack. It was around 9 p.m. on Sunday, July 19, when I received a message through the contact form on KrebsOnSecurity.com that the marital infidelity website...

PicassoLoader Malware Used in Ongoing Attacks on Ukraine and Poland

Government entities, military organizations, and civilian users in Ukraine and Poland have been targeted as part of a series of campaigns designed to steal sensitive data and gain persistent remote access to the infected systems. The intrusion set, which stretches from April 2022 to July 2023,...

U.S. Government Agencies' Emails Compromised in China-Backed Cyber Attack

An unnamed Federal Civilian Executive Branch FCEB agency in the U.S. detected anomalous email activity in mid-June 2023, leading to Microsoft's discovery of a new China-linked espionage campaign targeting two dozen organizations. The details come from a joint cybersecurity advisory released by th...

Microsoft Thwarts Chinese Cyber Attack Targeting Western European Governments

Microsoft on Tuesday revealed that it repelled a cyber attack staged by a Chinese nation-state actor targeting two dozen organizations, some of which include government agencies, in a cyber espionage campaign designed to acquire confidential data. The attacks, which commenced on May 15, 2023,...

Storm-0978 attacks reveal financial and espionage motives

Microsoft has identified a phishing campaign conducted by the threat actor tracked as Storm-0978 targeting defense and government entities in Europe and North America. The campaign involved the abuse of CVE-2023-36884, which included a remote code execution vulnerability exploited before disclosu...

Storm-0978 attacks reveal financial and espionage motives

Microsoft has identified a phishing campaign conducted by the threat actor tracked as Storm-0978 targeting defense and government entities in Europe and North America. The campaign involved the abuse of CVE-2023-36884, which included a remote code execution vulnerability exploited before disclosu...

Charming Kitten’s Latest Malware Arsenal and Targeting Strategies

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Charming Kitten, an adaptable threat actor, has shifted to new malware tactics and targets by employing LNK infection chains and utilizing cloud hosting providers. This evolution in their approach poses ...

PT-2023-32956 · Undefined · Undefined

ParsedReport CompletenessHigh 10-07-2023 The five-day job: A BlackByte ransomware intrusion case study https://www.microsoft.com/en-us/security/blog/2023/07/06/the-five-day-job-a-blackbyte-ransomware-intrusion-case-study Report completeness: High Actors/Campaigns: Volt typhoon motivation: cyber...

Chinese Hackers Use HTML Smuggling to Infiltrate European Ministries with PlugX

A Chinese nation-state group has been observed targeting Foreign Affairs ministries and embassies in Europe using HTML smuggling techniques to deliver the PlugX remote access trojan on compromised systems. Cybersecurity firm Check Point said the activity, dubbed SmugX, has been ongoing since at...

From MuddyC3 to PhonyC2: Iran's MuddyWater Evolves with a New Cyber Weapon

The Iranian state-sponsored group dubbed MuddyWater has been attributed to a previously unseen command-and-control C2 framework called PhonyC2 that's been put to use by the actor since 2021. Evidence shows that the custom made, actively developed framework has been leveraged in the February 2023...

APT28 Leveraged Three Roundcube Exploits in Espionage Campaign

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary APT28 conducted a sophisticated campaign targeting prominent organizations in Ukraine. The campaign involved spear-phishing emails, and these attachments exploited vulnerabilities in the Roundcube webmai...

Microsoft Warns of Widescale Credential Stealing Attacks by Russian Hackers

Microsoft has disclosed that it's detected a spike in credential-stealing attacks conducted by the Russian state-affiliated hacker group known as Midnight Blizzard. The intrusions, which make use of residential proxy services to obfuscate the source IP address of the attacks, target governments, ...

Chinese Hackers Using Never-Before-Seen Tactics for Critical Infrastructure Attacks

The newly discovered Chinese nation-state actor known as Volt Typhoon has been observed to be active in the wild since at least mid-2020, with the hacking crew linked to never-before-seen tradecraft to retain remote access to targets of interest. The findings come from CrowdStrike, which is...

Chinese Espionage Malware Targets European Healthcare via USB Drives

By Waqas The malware campaign has been attributed to the Chinese APT group Mustang Panda, also known as Camaro Dragon. This is a post from HackRead.com Read the original post: Chinese Espionage Malware Targets European Healthcare via USB Drives...

Camaro Dragon Hackers Strike with USB-Driven Self-Propagating Malware

The Chinese cyber espionage actor known as Camaro Dragon has been observed leveraging a new strain of self-propagating malware that spreads through compromised USB drives. "While their primary focus has traditionally been Southeast Asian countries, this latest discovery reveals their global reach...

State-Sponsored Hackers Target Middle Eastern and African Governments

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Persistent cyber-espionage attacks, targeting governmental entities in the Middle East and Africa, have been unleashed by a group known as CL-STA-0043. This group has employed unprecedented methods to...