RSS ze světa hackingu


Cloudflare Saw Record-Breaking DDoS Attack Peaking at 26 Million Request Per Second

Cloudflare on Tuesday disclosed that it had acted to prevent a record-setting 26 million request per second (RPS) distributed denial-of-service (DDoS) attack last week, making it the largest HTTPS DDoS attack detected to date. The web performance and security company said the attack was directed against an unnamed customer website using its Free plan and emanated from a "powerful" botnet of…

Datum: 15. 6. 2022

New Zimbra Email Vulnerability Could Let Attackers Steal Your Login Credentials

A new high-severity vulnerability has been disclosed in the Zimbra email suite that, if successfully exploited, enables an unauthenticated attacker to steal cleartext passwords of users sans any user interaction. "With the consequent access to the victims' mailboxes, attackers can potentially escalate their access to targeted organizations and gain access to various internal services and steal…

Datum: 14. 6. 2022

What is the Essential Eight (And Why Non-Aussies Should Care)

In 2017, The Australian Cyber Security Center (ACSC) published a set of mitigation strategies that were designed to help organizations to protect themselves against cyber security incidents. These strategies, which became known as the Essential Eight, are designed specifically for use on Windows networks, although variations of these strategies are commonly applied to other platforms. What is…

Datum: 14. 6. 2022

Technical Details Released for 'SynLapse' RCE Vulnerability Reported in Microsoft Azure

Microsoft has incorporated additional improvements to address the recently disclosed SynLapse security vulnerability in order to meet comprehensive tenant isolation requirements in Azure Data Factory and Azure Synapse Pipelines. The latest safeguards include moving the shared integration runtimes to sandboxed ephemeral instances and using scoped tokens to prevent adversaries from using a client…

Datum: 14. 6. 2022

Unpatched Travis CI API Bug Exposes Thousands of Secret User Access Tokens

An unpatched security issue in the Travis CI API has left tens of thousands of developers' user tokens exposed to potential attacks, effectively allowing threat actors to breach cloud infrastructures, make unauthorized code changes, and initiate supply chain attacks. "More than 770 million logs of free tier users are available, from which you can easily extract tokens, secrets, and other…

Datum: 14. 6. 2022

New Syslogk Linux Rootkit Lets Attackers Remotely Command It Using "Magic Packets"

A new covert Linux kernel rootkit named Syslogk has been spotted under development in the wild and cloaking a malicious payload that can be remotely commandeered by an adversary using a magic network traffic packet. "The Syslogk rootkit is heavily based on Adore-Ng but incorporates new functionalities making the user-mode application and the kernel rootkit hard to detect," Avast security…

Datum: 14. 6. 2022

Researchers Detail PureCrypter Loader Cyber Criminals Using to Distribute Malware

Cybersecurity researchers have detailed the workings of a fully-featured malware loader dubbed PureCrypter that's being purchased by cyber criminals to deliver remote access trojans (RATs) and information stealers. "The loader is a .NET executable obfuscated with SmartAssembly and makes use of compression, encryption, and obfuscation to evade antivirus software products," Zscaler's Romain Dumont…

Datum: 14. 6. 2022

Chinese Hackers Distribute Backdoored Web3 Wallets for iOS and Android Users

A technically sophisticated threat actor known as SeaFlower has been targeting Android and iOS users as part of an extensive campaign that mimics official cryptocurrency wallet websites intending to distribute backdoored apps that drain victims' funds. Said to be first discovered in March 2022, the cluster of activity "hint[s] to a strong relationship with a Chinese-speaking entity yet to be…

Datum: 13. 6. 2022

Chinese 'Gallium' Hackers Using New PingPull Malware in Cyberespionage Attacks

A Chinese advanced persistent threat (APT) known as Gallium has been observed using a previously undocumented remote access trojan in its espionage attacks targeting companies operating in Southeast Asia, Europe, and Africa. Called PingPull, the "difficult-to-detect" backdoor is notable for its use of the Internet Control Message Protocol (ICMP) for command-and-control (C2) communications,…

Datum: 13. 6. 2022

Researchers Disclose Rooting Backdoor in Mitel IP Phones for Businesses

Cybersecurity researchers have disclosed details of two medium-security flaws in Mitel 6800/6900 desk phones that, if successfully exploited, could allow an attacker to gain root privileges on the devices. Tracked as CVE-2022-29854 and CVE-2022-29855 (CVSS score: 6.8), the access control issues were discovered by German penetration testing firm SySS, following which patches were shipped in May…

Datum: 13. 6. 2022

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