Lookout recently discovered an advanced phishing kit exhibiting novel tactics to target cryptocurrency platforms as well as the Federal Communications Commission (FCC) via mobile devices. Following the tactics of groups like Scattered Spider, this kit enables attackers to build carbon copies of single sign-on (SSO) pages, then use a combination of email, SMS, and voice phishing to trick the target into sharing usernames, passwords, password reset URLs and even photo IDs from hundreds of victims, mostly in the United States.…
Tag: SSO
Background
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On December 19, 2023, the Justice Department Office of Public Affairs issued a press release indicating that the FBI had “disrupted the ALPHV/BlackCat ransomware variant.” This variant of ransomware is offered to affiliates as “ransomware-as-a-service” (RaaS). The FBI also developed a decryption tool that was made available to organizations impacted by this RaaS variant, in an effort to help them recover and resume business operations. …
Mandiant and Ivanti’s investigations into widespread Ivanti zero-day exploitation have continued across a variety of industry verticals, including the U.S. defense industrial base sector. Following the initial publication on Jan. 10, 2024, Mandiant observed mass attempts to exploit these vulnerabilities by a small number of China-nexus threat actors, and development of a mitigation bypass exploit targeting CVE-2024-21893 used by UNC5325, which we introduced in our “Cutting Edge, Part 2” blog post. …
Table of contents
Introduction
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Scattered Spider (aka UNC3944, Scatter Swine, Muddled Libra, Octo Tempest, Oktapus, StarFraud) is a lucrative intrusion set active since at least May 2022, primarily engaged in social engineering, ransomware, extortion campaigns and other advanced techniques.
The intrusion set employs state-of-the-art techniques, particularly related to social engineering, such as impersonation of IT personnel to deceive employees for targeted phishing, SIM swapping, leverage of MFA fatigue, and contact with victims’ support teams.…
Today’s attackers are taking advantage of changing business dynamics to target people everywhere they work. Staying current on the latest cybersecurity attack vectors and threats is an essential part of securing the enterprise against breaches and compromised data.…
Cybereason issues Threat Alerts to inform customers of emerging impacting threats, including critical vulnerabilities such as the Ivanti Connect Secure VPN Zero-Day exploitation. Cybereason Threat Alerts summarize these threats and provide practical recommendations for protecting against them.…
On February 2, 2024, AnyDesk, a popular remote desktop software provider, announced that it had fallen victim to a cyberattack that compromised its production systems. The breach, orchestrated by malicious actors, has far-reaching implications for AnyDesk customers.
The incident came to light when AnyDesk released a public statement about possible security breaches on some of its systems.…
On Jan. 12, 2024, Mandiant published a blog post detailing two high-impact zero-day vulnerabilities, CVE-2023-46805 and CVE-2024-21887, affecting Ivanti Connect Secure VPN (CS, formerly Pulse Secure) and Ivanti Policy Secure (PS) appliances. On Jan. 31, 2024, Ivanti disclosed two additional vulnerabilities impacting CS and PS devices, CVE-2024-21888 and CVE-2024-21893.
The vulnerabilities allow for an unauthenticated threat actor to execute arbitrary commands on the appliance with elevated privileges.…
Mandiant Managed Defense has been tracking UNC4990, an actor who heavily uses USB devices for initial infection. UNC4990 primarily targets users based in Italy and is likely motivated by financial gain. Our research shows this campaign has been ongoing since at least 2020.
Despite relying on the age-old tactic of weaponizing USB drives, UNC4990 continues to evolve their tools, tactics and procedures (TTPs).…
One hacker collective continues to confound federal law enforcement and cybersecurity experts — the Scattered Spider. Known by a multitude of aliases such as Muddled Libra, UNC3944, Starfraud, and Octo Tempest, this hacking group has not only infiltrated major corporate networks like MGM Resorts and Caesars Entertainment but has done so with a bold audacity that leaves many wondering.…
Volexity has uncovered active in-the-wild exploitation of two vulnerabilities allowing unauthenticated remote code execution in Ivanti Connect Secure VPN devices. An official security advisory and knowledge base article have been released by Ivanti that includes mitigation that should be applied immediately. However, a mitigation does not remedy a past or ongoing compromise.…
Table of contents
Introduction
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In the ever-changing cybersecurity landscape, Identity and Access Management (IAM) stands as the cornerstone of an organisation’s digital asset protection. IAM solutions play an essential role in managing user identities, controlling access to resources and ensuring compliance. As the digital threat landscape is constantly increasing in complexity, the need for visibility of IAM events has become paramount to detect attacks as early as possible before impact.…
Estimated reading time: 13 minutes
SEQRITE Labs APT-Team has uncovered a phishing campaign targeting various Indian government personnel since October 2023. We have also identified targeting of both government and private entities in the defence sector over December. New Rust-based payloads and encrypted PowerShell commands have been utilized to exfiltrate confidential documents to a web-based service engine, instead of a dedicated command-and-control (C2) server.…
SUMMARY
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The Cybersecurity and Infrastructure Security Agency (CISA) is releasing a Cybersecurity Advisory (CSA) in response to confirmed exploitation of CVE-2023-26360 by unidentified threat actors at a Federal Civilian Executive Branch (FCEB) agency. This vulnerability presents as an improper access control issue impacting Adobe ColdFusion versions 2018 Update 15 (and earlier) and 2021 Update 5 (and earlier).…
In early September, an automated retroactive indicator of compromise (IoC) threat hunt identified an indicator of compromise (IoC) in the environment of one of our customers. The detected IP address, 144.76.136[.]153, was previously used by the cybercrime group Scattered Spider to perform exfiltration via the domain transfer.sh.…
On August 29, 2023, Retool notified 27 cloud customers that there had been unauthorized access to their accounts. If you’re reading this and you were not notified, don’t worry – your account was not impacted. There was no access to on-prem or managed accounts. Nevertheless, here’s what happened, with the hope that this will help apply the lessons we’ve learned and prevent more attacks across the industry.…
Summary
Okta has observed attacks in which a threat actor used social engineering to attain a highly privileged role in an Okta customer Organization (tenant).
When successful, the threat actor demonstrated novel methods of lateral movement and defense evasion.
These methods are preventable and present several detection opportunities for defenders.…
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QR Codes, the square images that contain coded information that can be scanned by a smartphone, are becoming increasingly popular. With the number of smartphone users reaching 6.92 billion this year, access to the information within these ingenious images is within reach by around 86% of the world’s population.…
Case Study
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WhiteSnake Stealer first appeared on hacking forums at the beginning of February 2022.
The stealer collects data from various browsers such as Firefox, Chrome, Chromium, Edge, Brave, Vivaldi, CocCoc, and CentBrowser. Besides browsing data, it also collects data from Thunderbird, OBS-Studio, FileZilla, Snowflake-SSH, Steam, Signal, Telegram, Discord, Pidgin, Authy, WinAuth, Outlook, Foxmail, The Bat!,…
The scourge of ransomware attacks that has plagued Windows endpoints over the past half decade or so has, thankfully, not been replicated on Mac devices. With a few unsuccessful exceptions, the notion of locking a Mac device and holding its owner to ransom in return for access to the machine and its data has not yet proven an attractive proposition for attackers.…