Cyble Global Sensor Intelligence (CGSI) has identified the ongoing exploitation of recently disclosed vulnerabilities that were initially highlighted in the latest advisory from the Cybersecurity and Infrastructure Security Agency (CISA). CISA took proactive measures by issuing security alerts for the actively exploited Citrix Vulnerability (CVE-2023-4966) on October 10 and the Big IP vulnerabilities (CVE-2023-46747, CVE-2023-46748) on October 31.…
Tag: FIREWALL
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Executive SummarySince the end of August 2023, we have observed a significant rise in compromised servers specializing in clickbait and ad content. But why are sites like this such an attractive target for criminals? Mainly because these sites are designed to reach a large number of potential victims.…
Unveiling the Dark Side: A Deep Dive into Active Ransomware Families
Author: Molly Dewis
Intro
Read More Our technical experts have written a blog series focused on Tactics, Techniques and Procedures (TTP’s) deployed by four ransomware families recently observed during NCC Group’s incident response engagements.
In case you missed it, our last post analysed an Incident Response engagement involving the D0nut extortion group.…
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Executive SummaryUnit 42 has identified malicious Chinese APT infrastructure masquerading as cloud backup services. Monitoring telemetry associated with two prominent Chinese APT groups, we observed network connections predominately originating from the country of Cambodia, including inbound connections originating from at least 24 Cambodian government organizations.…
AhnLab Security Emergency response Center (ASEC) has recently discovered the active distribution of the Phobos ransomware. Phobos is a variant known for sharing technical and operational similarities with the Dharma and CrySis ransomware. These ransomware strains typically target externally exposed Remote Desktop Protocol (RDP) services with vulnerable securities as attack vectors.…
Estimated reading time: 13 minutes
SEQRITE Labs APT-Team has discovered multiple campaigns of APT SideCopy, targeting Indian government and defense entities in the past few months. The threat group is now exploiting the recent WinRAR vulnerability CVE-2023-38831 (See our advisory for more details) to deploy AllaKore RAT, DRat and additional payloads.…
Over the Kazuar’s Nest: Cracking Down on a Freshly Hatched Backdoor Used by Pensive Ursa (Aka Turla)
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Executive SummaryWhile tracking the evolution of Pensive Ursa (aka Turla, Uroburos), Unit 42 researchers came across a new, upgraded variant of Kazuar. Not only is Kazuar another name for the enormous and dangerous cassowary bird, Kazuar is an advanced and stealthy .NET…
Introduction
Read More When searching for necessary software, users often visit seemingly safe websites and torrent trackers to download, install and use programs. But are these programs truly safe? Illegal software could contain threats of all kinds, from miners to complex rootkits. The danger of malware spreading through dubious software downloads is not new and has now reached a global scale.…
Key FindingsCheck Point Research (CPR) is monitoring an ongoing Iranian espionage campaign by Scarred Manticore, an actor affiliated with the Ministry of Intelligence and Security (MOIS).
The attacks rely on LIONTAIL, an advanced passive malware framework installed on Windows servers. For stealth purposes, LIONTIAL implants utilize direct calls to Windows HTTP stack driver HTTP.sys…
Read More NetSupport Manager is one of the oldest third-party remote access tools still currently on the market with over 33 years of history. This is the first time we will report on a NetSupport RAT intrusion, but malicious use of this tool dates back to at least 2016.…
Affected Platforms: WindowsImpacted Users: Windows usersImpact: The information collected can be used for future attacksSeverity Level: Medium
In 2023, the InfoStealer market is a reasonably crowded affair. The likes of RedLine, Raccoon, and Vidar own a significant market share, with new entrants such as SaphireStealer appearing frequently.…
Cisco Talos assesses with high confidence that YoroTrooper, an espionage-focused threat actor first active in June 2022, likely consists of individuals from Kazakhstan based on their use of Kazakh currency and fluency in Kazakh and Russian. The actor also appears to have a defensive interest in the website of the Kazakhstani state-owned email service and has rarely targeted Kazakh entities.…
Read More Published On : 2023-10-20
Executive SummaryAt Cyfirma, we are committed to providing up-to-date information on the most prevalent threats and tactics used by malicious actors to target both organizations and individuals. In this analysis, we delve into a python-based information stealer, Akira. This report is a comprehensive investigation of this information stealer malware, unfolding its functionality and capabilities.…
Coauthored by Karthickkumar Kathiresan of Uptycs Threat Research Team…
Threat hunting encompasses a range of techniques and approaches aimed at discovering anomalies, threats, and risks associated with attacker activities. In the early days, log review by diligent system administrators was how these anomalies were detected, usually after the fact. This evolved into more structured methodologies created by security experts that attempted to identify these activities in real time.…
The Iranian Crambus espionage group (aka OilRig, APT34) staged an eight-month-long intrusion against a government in the Middle East between February and September 2023. During the compromise, the attackers stole files and passwords and, in one case, installed a PowerShell backdoor (dubbed PowerExchange) that was used to monitor incoming mails sent from an Exchange Server in order to execute commands sent by the attackers in the form of emails, and surreptitiously forwarded results to the attackers.…
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Executive SummaryWe recently detected a new campaign from the XorDDoS Trojan that led us to conduct an in-depth investigation that unveiled concealed network infrastructure that carries a large amount of command and control (C2) traffic. When we compared the most recent wave of XorDDoS attacks with a campaign from 2022, we found the only difference between the campaigns was in the configuration of the C2 hosts.…
CVE-2023-43261 has likely been exploited in the wild, but not at scale.
The CVE description does not report the correct set of affected industrial cellular routers nor the correct set of affected firmware.
Although recently disclosed, CVE-2023-43261 was patched years ago.
Read More The recent disclosure of CVE-2023-43261 caught our attention because it reportedly affected a set of well-known industrial cellular routers created by Milesight.…
Update: Wordfence has released a malware detection signature for wp.ph$p to Wordfence Premium, Wordfence Care, Wordfence Response, and the paid tiers of Wordfence CLI as of Monday, October 16, 2023.
Today, on October 13, 2023, the Wordfence Threat Intelligence Team became aware of a vulnerability that was recently patched in Royal Elementor Addons and Templates, a WordPress plugin installed on over 200,000 sites, that makes it possible for unauthenticated attackers to upload arbitrary files to vulnerable sites.…