Gamaredon APT targets Ukrainian government agencies in new campaign

By Asheer Malhotra and Guilherme Venere. Cisco Talos recently identified a new, ongoing campaign attributed to the Russia-linked Gamaredon APT that infects Ukrainian users with information-stealing malware. The adversary is using phishing documents containing lures related to the Russian invasion...

PersistenceSniper - Powershell Script That Can Be Used By Blue Teams, Incident Responders And System Administrators To Hunt Persistences Implanted In Windows Machines

PersistenceSniper is a Powershell script that can be used by Blue Teams, Incident Responders and System Administrators to hunt persistences implanted in Windows machines. The script is also available on Powershell Gallery. --- The Why Why writing such a tool, you might ask. Well, for starters, I...

#StopRansomware: Vice Society

CISA, the Federal Bureau of Investigation FBI, and the Multi-State Information Sharing and Analysis Center MS-ISAC have released a joint Cybersecurity Advisory CSA, StopRansomware: Vice Society, to disseminate tactics, techniques, and procedures TTPs and indicators of compromise IOCs associated...

New Air-Gap Attack Uses MEMS Gyroscope Ultrasonic Covert Channel to Leak Data

A novel data exfiltration technique has been found to leverage a covert ultrasonic channel to leak sensitive information from isolated, air-gapped computers to a nearby smartphone that doesn't even require a microphone to pick up the sound waves. Dubbed GAIROSCOPE, the adversarial model is the...

Researchers Warns of Large-Scale AiTM Attacks Targeting Enterprise Users

A new, large-scale phishing campaign has been observed using adversary-in-the-middle AitM techniques to get around security protections and compromise enterprise email accounts. "It uses an adversary-in-the-middle AitM attack technique capable of bypassing multi-factor authentication," Zscaler...

Experts Find Similarities Between New LockBit 3.0 and BlackMatter Ransomware

Cybersecurity researchers have reiterated similarities between the latest iteration of the LockBit ransomware and BlackMatter, a rebranded variant of the DarkSide ransomware strain that closed shop in November 2021. The new version of LockBit, called LockBit 3.0 aka LockBit Black, was released in...

CVE-2022-20860

A vulnerability in the SSL/TLS implementation of Cisco Nexus Dashboard could allow an unauthenticated, remote attacker to alter communications with associated controllers or view sensitive information. This vulnerability exists because SSL server certificates are not validated when Cisco Nexus...

New variant of Android SpyJoker malware removed from Play Store after 3 million+ installs

Security researcher Maxime Ingrao has found a new variant of Android/Trojan.Spy.Joker which hes dubbed Autolycos. Malware in this family secretly subscribes users to premium services. The researcher noted that the eight applications that contained this malware had racked up a total of over 3...

Researchers Uncover New Attempts by Qakbot Malware to Evade Detection

The operators behind the Qakbot malware are transforming their delivery vectors in an attempt to sidestep detection. "Most recently, threat actors have transformed their techniques to evade detection by using ZIP file extensions, enticing file names with common formats, and Excel XLM 4.0 to trick...

Text-based fraud: from 419 scams to vishing

E-mail scammers typically combine social engineering with technical skills to bypass spam filters and persuade the recipient to reply. But there is a specific class of attacks that is technically stuck somewhere in the late 90s/early 00s, in the era of CRT monitors and sluggish internet: we are...

Researchers Detail Techniques LockBit Ransomware Using to Infect its Targets

LockBit ransomware attacks are constantly evolving by making use of a wide range of techniques to infect targets while also taking steps to disable endpoint security solutions. "The affiliates that use LockBit's services conduct their attacks according to their preference and use different tools...

De-anonymizing ransomware domains on the dark web

By Paul Eubanks. We have developed three techniques to identify ransomware operators' dark websites hosted on public IP addresses, allowing us to uncover previously unknown infrastructure for the DarkAngels, Snatch, Quantum and Nokoyawa ransomware groups.The methods we used to identify the...

Exploit for Off-by-one Error in Sudo_Project Sudo

CVE-2021-3156 Visualization, Fuzzing, Exploit and Patch...

Using process creation properties to catch evasion techniques

We developed a robust detection method in Microsoft Defender for Endpoint that can catch known and unknown variations of a process execution class used by attackers to evade detection. This class of stealthy execution techniques breaks some assumptions made by security products and enables...

Using process creation properties to catch evasion techniques

We developed a robust detection method in Microsoft Defender for Endpoint that can catch known and unknown variations of a process execution class used by attackers to evade detection. This class of stealthy execution techniques breaks some assumptions made by security products and enables...

Exploit for Off-by-one Error in F5 Nginx

CVE-2021-23017-PoC pip install -r requirements.txt pytho...

#StopRansomware: MedusaLocker

CISA, the Federal Bureau of Investigation FBI, the Department of the Treasury Treasury, and the Financial Crimes Enforcement Network FinCEN have released a joint Cybersecurity Advisory CSA, StopRansomware: MedusaLocker, to provide information on MedusaLocker ransomware. MedusaLocker actors target...

APT Hackers Targeting Industrial Control Systems with ShadowPad Backdoor

Entities located in Afghanistan, Malaysia, and Pakistan are in the crosshairs of an attack campaign that targets unpatched Microsoft Exchange Servers as an initial access vector to deploy the ShadowPad malware. Russian cybersecurity firm Kaspersky, which first detected the activity in mid-October...

Defending Against Scheduled Task Attacks in Windows Environments

Scheduling tasks is one of the most popular attack techniques used by threat actors to establish persistence on a victim’s machine. The Qualys Research Team investigated different ways that attackers could use to conceal scheduled tasks. In this blog, we describe three new techniques to hide and...

IBM Spectrum Protect Operations Center暴力破解漏洞

IBM Spectrum Protect Operations Center is a software from IBM USA that provides visual control of the IBM Spectrum Protect environment. IBM Spectrum Protect Operations Center is vulnerable to a brute-force cracking vulnerability that stems from cumulative login Failure count is invalid, and an...