Vulnerabilities fixed in cURL

Vulnerabilities have been fixed in cURL.The vulnerabilities allow a remote malicious person the ability to obtain sensitive information obtain. To do so, the malicious party must induce the victim to visit a server under the control of the malicious party. -= Debian =- Debian has made updates to...

Microsoft Windows本地提权漏洞（CVE-2021-1732）

CVE-2021-1732: win32kfull xxxCreateWindowEx callback out-of-bounds Mar 25, 2021 • iamelli0t CVE-2021-1732 is a 0-Day vulnerability exploited by the BITTER APT organization in one operation which was disclosed in February this year123. This vulnerability exploits a user mode callback opportunity i...

Using CHIRP to Detect Post-Compromise Threat Activity in On-Premises Environments

CISA Hunt and Incident Response Program CHIRP is a new forensics collection tool that CISA developed to help network defenders find indicators of compromise IOCs associated with the SolarWinds and Active Directory/M365 Compromise. CHIRP is freely available on the CISA GitHub repository. Similar t...

TTP Table for Detecting APT Activity Related to SolarWinds and Active Directory/M365 Compromise

CISA has released a table of tactics, techniques, and procedures TTPs used by the advanced persistent threat APT actor involved with the recent SolarWinds and Active Directory/M365 compromise. The table uses the MITRE ATT&CK framework to identify APT TTPs and includes detection recommendations...

ProxyLogon PoCs trigger a game of whack-a-mole

As we reported recently, the use of the Microsoft Exchange Server ProxyLogon vulnerabilities has gone from “limited and targeted attacks” to a full-size panic in no time. Criminal activities, ranging in severity from planting crypto-miners to deploying ransomware, and conducted by numerous groups...

Exchange Cyberattacks Escalate as Microsoft Rolls One-Click Fix

As dangerous attacks accelerate against Microsoft Exchange Servers in the wake of the disclosure around the ProxyLogon group of security bugs, a public proof-of-concept PoC whirlwind has started up. It’s all leading to a feeding frenzy of cyber-activity. The good news, however, is that Microsoft...

150,000 Verkada security cameras hacked—to make a point

Hackers were able to gain access to camera feeds from Verkada, a tech company that specializes in video security and physical access control, to demonstrate how prevalent surveillance is, reports say. Unfortunately, it also exposed the inner workings of hospitals, clinics, and mental health...

Microsoft Exchange Exploits Pave a Ransomware Path

Cybercriminals are now using compromised Microsoft Exchange servers as a foothold to deploy a new ransomware family called DearCry, Microsoft has warned. The ransomware is the latest threat to beleaguer vulnerable Exchange servers, emerging shortly after Microsoft issued emergency patches in earl...

Microsoft Exchange Servers Face APT Attack Tsunami

Recently patched Microsoft Exchange vulnerabilities are under fire from at least 10 different advanced persistent threat APT groups, all bent on compromising email servers around the world. Overall exploitation activity is snowballing, according to researchers. Microsoft said in early March that ...

Microsoft Exchange attacks cause panic as criminals go shell collecting

Only last week we posted a blog about multiple zero-day exploits being used to attack on-premises versions of Microsoft Exchange Server in limited and targeted attacks. Seeing how this disclosure came with a patch being available, under normal circumstances you would see some companies update...

Talos Takes Ep. #43: What you should know about the Microsoft Exchange Server zero-days

The latest episode of Talos Takes is available now. Download this episode and subscribe to Talos Takes using the buttons below, or visit the Talos Takes page. We put this episode together quickly this week to address the zero-day vulnerabilities Microsoft disclosed earlier this week in Exchange...

CISA Orders Fed Agencies to Patch Exchange Servers

Hot on the heels of Microsoft’s announcement about active cyber-espionage campaigns that are exploiting four serious security vulnerabilities in Microsoft Exchange Server, the U.S. government is mandating patching for the issues. The news comes as security firms report escalating numbers of relat...

Microsoft Exchange 0-Day Attackers Spy on U.S. Targets

Microsoft has spotted multiple zero-day exploits in the wild being used to attack on-premises versions of Microsoft Exchange Server. Adversaries have been able to access email accounts, steal a raft of data and drop malware on target machines for long-term remote access, according to the computin...

ObliqueRAT returns with new campaign using hijacked websites

By Asheer Malhotra. Cisco Talos has observed another malware campaign that utilizes malicious Microsoft Office documents maldocs to spread the remote access trojan RAT ObliqueRAT. This campaign targets organizations in South Asia.ObliqueRAT has been linked to the Transparent Tribe APT group in th...

Lazarus Targets Defense Companies with ThreatNeedle Malware

The prolific North Korean APT known as Lazarus is behind a spear-phishing campaign aimed at stealing critical data from defense companies by leveraging an advanced malware called ThreatNeedle, new research has revealed. The elaborate and ongoing cyberespionage campaign used emails with COVID-19...

Malicious Mozilla Firefox Extension Allows Gmail Takeover

A newly uncovered cyberattack is taking control of victims’ Gmail accounts, by using a customized, malicious Mozilla Firefox browser extension called FriarFox. Researchers say the threat campaign, observed in January and February, targeted Tibetan organizations and was tied to TA413, a known...

APT-Hunter - Threat Hunting Tool For Windows Event Logs Which Made By Purple Team Mindset To Provide Detect APT Movements Hidden In The Sea Of Windows Event Logs To Decrease The Time To Uncover Suspicious Activity

APT-Hunter is Threat Hunting tool for windows event logs which made by purple team mindset to provide detect APT movements hidden in the sea of windows event logs to decrease the time to uncover suspicious activity . this tool will make a good use of the windows event logs collected and make sure...

LazyScripter: From Empire to double RAT

Malwarebytes’ Threat Intelligence analysts are continually researching and monitoring active malware campaigns and actor groups as the prevalence and sophistication of targeted attacks rapidly evolves. In this paper, we introduce a new APT group we have named LazyScripter, presenting in-depth...

U.S. Indicts North Korean Hackers in Theft of $200 Million

The U.S. Justice Department today unsealed indictments against three men accused of working with the North Korean regime to carry out some of the most damaging cybercrime attacks over the past decade, including the 2014 hack of Sony Pictures, the global WannaCry ransomware contagion of 2017, and...

U.S. Accuses DPRK Hackers of Stealing Millions

The U.S. Department of Justice has indicted three North Korean computer programmers for their alleged participation in widespread, destructive cyberattacks as part of the advanced persistent threat APT known as Lazarus Group. The indictment broadens the scope of crimes that the DoJ has linked to...