Malware

YoroTrooper Espionage Campaign Targeting Government Organizations

Phishing techniques have a high prevalence in the current threat landscape and are often employed as an initial attack vector by threat groups. Archive files hiding malicious payloads are also frequently utilized by threat groups. Additionally, YoroTrooper makes use of open source and on-the-market tools to make attribution more difficult. However, these tactics also present an opportunity for defenders and researchers to develop detections for an attacker’s toolkit by focusing on open source offensive tools.…

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Latitude Financials Suffers Breach

Customers of Latitude Financial should consider taking the following steps to reduce the chance of further damage occurring as a result of the breach. 1. Monitor financial accounts: Check bank and credit card statements regularly to ensure that there are no unauthorized transactions. If any suspicious activity is noticed, it should be reported immediately. 2. Change passwords: Although Latitude has stated that no passwords were compromised in the attack, it is always a good practice…

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GoBruteforcer: New Golang-Based Malware Breaches Web Servers via Brute-Force Attacks

One of the best methods to prevent brute force attacks from succeeding is to have strong passwords implemented across all systems. Creating passwords that are 20+ characters in length, with a random mix of uppercase and lowercase characters, special characters, and numbers is an efficient way to prevent a brute force attack from allowing a malicious user to gain access to a system. Limiting login attempts is another way to prevent brute force attacks from…

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Winter Vivern APT Hackers Use Fake Antivirus Scans to Install Malware

To protect best against a campaign such as this, it is recommended to provide user education into common phishing tactics as well as overall emerging cybersecurity risks and vulnerabilities. It is important to employ a defense-in-depth strategy to detect this activity at a different portion of the attack chain, such as detecting lateral movement or reconnaissance activity. Binary Defense’s MDR and Threat Hunting services are an excellent solution to assist with such a program. https://www.bleepingcomputer.com/news/security/medusa-ransomware-gang-picks-up-steam-as-it-targets-companies-worldwide/

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UK bans TikTok on government devices over data security fears

Social media app TikTok has been banned on UK government electronic devices, the Cabinet Office has announced. The ban, announced by the chancellor of the Duchy of Lancaster, Oliver Dowden, comes in the wake of a security review into the risks posed to government data by social media apps on devices along with the potential for sensitive information to be accessed and used by some platforms. The move follows other Western countries who have barred…

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FBI, CISA, and MS-ISAC Release #StopRansomware: LockBit 3.0

The Federal Bureau of Investigation (FBI), CISA, and the Multi-State Information Sharing and Analysis Center (MS-ISAC) has released a joint cybersecurity advisory (CSA), #StopRansomware: LockBit 3.0. This joint advisory details known indicators of compromise (IOCs) and tactics, techniques, and procedures (TTPs) that FBI investigations correlated with LockBit 3.0 ransomware as recently as March 2023. LockBit 3.0 functions as an affiliate-based ransomware variant and is a continuation of LockBit 2.0 and LockBit. CISA encourages network defenders…

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When and how to report a breach to the SEC

New cybersecurity reporting requirements for publicly traded companies are expected to be enacted in the spring of 2023, with proposed rules from the US Securities and Exchange Commission (SEC) looking for more information and transparency from those hit with security incidents. Under the proposal, the SEC would implement three new rules that public companies will need to follow: A requirement that companies report any cybersecurity event within four business days of determining that it was…

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Why red team exercises for AI should be on a CISO’s radar

AI and machine learning (ML) capabilities present a huge opportunity for digital transformation but open yet another threat surface that CISOs and risk professionals will have to keep tabs on. Accordingly, CISOs will need to direct their teams to conduct red team exercises against AI models and AI-enabled applications — just as security teams do with any traditional application, platform, or IT system. AI increasingly powers business decision-making, financial forecasting, predictive maintenance, and an endless list…

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Russian hacktivist group targets India’s health ministry

A Russian hacktivist group has claimed to have breached the health management information system of India, which could contain the health data of millions of Indian citizens. “On 15 March 2023, CloudSek’s contextual AI digital risk platform XVigil discovered a threat actor group claiming to have targeted an Indian government website,” cybersecurity firm CloudSek said in a post. “An analysis of the samples shared concluded that the affected entity is the Health Management Information system…

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Rubrik Confirms Data Theft in GoAnywhere 0-Day Attack

While typically it is recommended to maintain good threat intelligence and an adequate patching schedule, neither of these recommendations would apply in this case as this vulnerability was exploited as a 0-day prior to the patch that was released in February. The best defense against 0-day vulnerabilities is to employ a defense-in-depth strategy. While it won’t stop the 0-day, employing this strategy makes it much more likely to detect the attack at an earlier step…

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