Attackers Targeting Fortinet Devices and SAP Applications

The following blog was co-authored by Caitlin Condon and Bob Rudis, also known in his own words as “some caveman from Maine.” Last week, the U.S. Cybersecurity and Infrastructure Security Agency CISA and the FBI published a joint alert to warn users that APT threat actors were likely exploiting...

Hackers Exploit Unpatched VPNs to Install Ransomware on Industrial Targets

Unpatched Fortinet VPN devices are being targeted in a series of attacks against industrial enterprises in Europe to deploy a new strain of ransomware called "Cring" inside corporate networks. At least one of the hacking incidents led to the temporary shutdown of a production site, said...

Chinese APT group spying on Vietnam military with FoundCore RAT

By Deeba Ahmed According to Kaspersky researchers, Cycldek, a Chinese APT group is targeting Vietnam's military establishment with FoundCore RAT. This is a post from HackRead.com Read the original post: Chinese APT group spying on Vietnam military with FoundCore RAT...

Hackers exploiting critical vulnerabilities in Fortinet VPN – FBI-CISA

By Deeba Ahmed According to CISA and the FBI, advanced persistent threat APT nation-state actors are exploiting known vulnerabilities in the Fortinet FortiOS. This is a post from HackRead.com Read the original post: Hackers exploiting critical vulnerabilities in Fortinet VPN - FBI-CISA...

FBI-CISA Joint Advisory on Exploitation of Fortinet FortiOS Vulnerabilities

The Federal Bureau of Investigation FBI and CISA have released a Joint Cybersecurity Advisory CSA to warn users and administrators of the likelihood that advanced persistent threat APT actors are actively exploiting known Fortinet FortiOS vulnerabilities CVE-2018-13379, CVE-2020-12812, and...

North Korean APT Gears Up to Target Security Researchers

The same North Korean threat actors that targeted security researchers in January appear to be readying a new campaign using a fake company and associated social-media accounts that aim to lure security professionals into another cyber-espionage trap. Google discovered the site as well as Twitter...

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...