Stay Ahead of Cyber Threats – Daily Security Insights, Powered by AI
Summary
Multifactor Authentication (MFA): A Cybersecurity Essential• MFA is one of the most important cybersecurity practices to reduce the risk of intrusions—according to industry research, users who enable MFA are up to 99 percent less likely to have an account compromised.• Every organization should enforce MFA for all employees and customers, and every user should sign up for MFA when available.•…
Since its reemergence on Nov. 14, 2021, Black Lotus Labs has once again been tracking Emotet, one of the world’s most prolific malware distribution families which previously infected more than 1.6M devices and caused hundreds of millions of dollars in damage across critical infrastructure, healthcare, government organizations and enterprises around the world.…
For additional information regarding deserialization exploits and our new hunting rule generation tool ‘HeySerial’, read our blog post, Now You Serial, Now You Don’t — Systematically Hunting for Deserialization Exploits.
USAHerds (CVE-2021-44207) Zero-DayIn three investigations from 2021, APT41 exploited a zero-day vulnerability in the USAHerds web application.…
Since the dawn of phishing, fraudulent invoicing and purchasing schemes have been one of the most common lures. The usual modus operandi involves appealing to the recipient’s desire to avoid incurring a debt, especially where a business may be involved.
FortiGuard Labs recently came across an interesting phishing e-mail masquerading as a purchase order addressed to a Ukrainian manufacturing organization that deals with raw materials and chemicals.…
Soon after execution of the Qbot payload, the malware established C2 connectivity and created persistence on the beachhead. Successful exploitation of the Zerologon vulnerability (CVE-2020-1472) allowed the threat actors to obtain domain admin privileges.…
In the past few months, a new wave of cyberattacks has been flooding Iran. These attacks are far from minor website defacements – the recent wave is hitting national infrastructure and causing major disruptions to public services.
This article provides an in-depth technical analysis of one of the attacks against the Iranian national media corporation, Islamic Republic of Iran Broadcasting (IRIB) which occurred in late January 2022.…
On February 4th, 2022, the FBI issued a flash report on LockBit 2.0 ransomware and its indicators of compromise (IOCs). Although Picus Labs updated the Picus Threat Library with attack simulations for LockBit 2.0 back in August 2021, the increasing number of attacks led us to write this blog post.…
In August 2021, a disgruntled CONTI affiliate leaked training documents, playbooks, and tools used to assist in CONTI ransomware operations. Mandiant has determined that some of the activity listed above overlaps with techniques in the playbooks disclosed in August.
At this time, due to the public release of this information, other unaffiliated actors may be replicating the techniques for their own motives and objectives.…
case study below, Antlion compromised the networks of at least two other organizations in Taiwan, including another financial organization and a manufacturing company. The activity the group carried out on those networks was largely similar to the activity that is detailed in the case study, with the xPack backdoor frequently deployed and a lot of evidence of credential dumping.…
Qbot (aka QakBot, Quakbot, Pinkslipbot ) has been around for a long time having first been observed back in 2007. More info on Qbot can be found at the following links: Microsoft & Red Canary
In this case, from October 2021, we will break down how Qbot quickly spread across all workstations in an environment, while stealing browser information and emails.…
The Belarusian Cyber Partisans have shared documents related to another hack, and explained that Curated Intel member, SttyK, would “understand some of the methods used.”
Written by @BushidoToken and edited by @SteveD3
On Monday 24 January 2022, a Belarusian hacktivist group going by the name Belarusian Cyber-Partisans claimed responsibility for a limited attack against the national railway company.…The BlackBerry Research & Intelligence and Incident Response (IR) teams have found evidence correlating attacks by the Initial Access Broker (IAB) group Prophet Spider with exploitation of the Log4j vulnerability in VMware Horizon. This article highlights the recent indicators of compromise (IoCs) that we’ve observed.
Defenders concerned that they may have been a victim of these attacks can make use of these IoCs and detection methods to identify evidence of compromise within their environment.…
On November 11th, Google TAG published a blogpost about watering-hole attacks leading to exploits for the Safari web browser running on macOS. ESET researchers had been investigating this campaign the week before that publication, uncovering additional details about the targets and malware used to compromise its victims.…
Donot Team (also known as APT-C-35 and SectorE02) is a threat actor operating since at least 2016 and known for targeting organizations and individuals in South Asia with Windows and Android malware. A recent report by Amnesty International links the group’s malware to an Indian cybersecurity company that may be selling the spyware or offering a hackers-for-hire service to governments of the region.…
By Sriram P & Lakshya Mathur
Hancitor, a loader that provides Malware as a Service, has been observed distributing malware such as FickerStealer, Pony, CobaltStrike, Cuba Ransomware, and many more. Recently at McAfee Labs, we observed Hancitor Doc VBA (Visual Basic for Applications) samples dropping the payload using the Windows clipboard through Selection.Copy…
Over the past year, we have seen ransomware attackers change the way they have responded to organizations that have either chosen to not pay the ransom or have recovered their data via some other means. At the end of the day, fighting ransomware has resulted in the bad actors’ loss of revenue.…
In a recent report the McAfee Advanced Threat Research (ATR) Strategic Intelligence team disclosed an espionage campaign, targeting telecommunication companies, named Operation Diànxùn.
The tactics, techniques and procedures (TTPs) used in the attack are like those observed in earlier campaigns publicly attributed to the threat actors RedDelta and Mustang Panda.…