Iranian state-sponsored APT group MuddyWater targeting organizations via malicious executables

THREAT LEVEL: Red. United States Cyber Command USCYBERCOM has warned of an ongoing cyber attack by Iranian state sponsored actor named as MuddyWater. This APT group is currently targeting Middle Eastern countries and has also targeted European and North American nations. The Iranian-backed...

Vulnerability fixed in Zimbra

A vulnerability has been fixed in Zimbra. An unauthenticated malicious party could exploit the vulnerability to perform a reflected cross-site scripting attack. Such an attack can lead to the execution of arbitrary script code in the browser with which the application is visited. Within Zimbra,...

Vulnerability fixed in Arista EOS

A vulnerability has been fixed in Arista EOS. Arista EOS is a Linux-based operating system installed on network equipment from Arista. With eAPI it is possible to remotely manage and configure Arista's network equipment. When authentication is based on certificates, it is possible that eAPI...

Mageia: Security Advisory (MGASA-2021-0372)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Return of Pseudo Ransomware

Return of Pseudo Ransomware By Trellix, Max Kersten and Raj Samani · January 20, 2022 Arnab Roy, Filippo Sitzia and Mo Cashman contributed to the research supporting this blog Recent news reports of a “ransomware” campaign targeting Ukraine has resulted in significant press coverage regarding not...

Return of Pseudo Ransomware

Return of Pseudo Ransomware By Trellix, Max Kersten and Raj Samani · January 20, 2022 Arnab Roy, Filippo Sitzia and Mo Cashman contributed to the research supporting this blog Recent news reports of a “ransomware” campaign targeting Ukraine has resulted in significant press coverage regarding not...

GHSA-QC9X-GJCV-465W Pipenv's requirements.txt parsing allows malicious index url in comments

Issue Summary Due to a flaw in pipenv's parsing of requirements files, an attacker can insert a specially crafted string inside a comment anywhere within a requirements.txt file, which will cause victims who use pipenv to install the requirements file e.g. with "pipenv install -r requirements.txt...

Rootkit found in HPE iLO environments

Security researchers at AmnPardaz have published an investigation published about a rootkit found in HPE iLO systems. The malware, called "iLOBleed," was used, among other things, to to wipe a system's hard drives. Because the iLO subsystem has exceptionally high privileges, compromising it means...

Dridex affiliate dresses up as Scrooge

Threat actors are hoping to catch a few more victims before they leave work for the Christmas holidays. The recent malicious spam campaigns malspam we and others have observed appear to have been created by someone who wants to play Scrooge and add onto peoples already heightened state of anxiety...

CVE-2021-0674

creationtimestamp| type| source ---|---|--- 2021-12-17 20:37:05+00:00| seen| https://t.me/cibsecurity/34214 2022-04-21 13:12:06+00:00| published-proof-of-concept| https://t.me/cKure/9397 2022-04-22 11:53:08+00:00| seen| https://t.me/truesecator/2876 2022-04-27 00:01:18+00:00| seen|...

Exploit for Deserialization of Untrusted Data in Siemens 6Bk1602-0Aa12-0Tp0_Firmware

Log4Shell（CVE-2021-44228）related attacks IOCs 源IP使用Apache Log4j RCE尝试攻击，其中包含很大部分Tor节点，详见Attack-IP.md 利用log4j漏洞传播的恶意程序、Botnet等IOC详见IOC-C2.md Snort检测规则详见Snort.md Suricata规则详见Suricata.md...

Cerber targeting organizations with publicly available exploits

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. Cerber, ransomware that mysteriously vanished in 2019, has reappeared with a new encryption. The new cerber includes fresh source code and makes use of the new library Crypto+++, whereas the previous form made use of Windows...

Iranian Government-Sponsored APT Cyber Actors Exploiting Microsoft Exchange and Fortinet Vulnerabilities

CISA, the Federal Bureau of Investigation FBI, the Australian Cyber Security Centre ACSC, and the United Kingdom’s National Cyber Security Centre NCSC have released a joint Cybersecurity Advisory highlighting ongoing malicious cyber activity by an advanced persistent threat APT group that FBI,...

FBI Releases Indicators of Compromise Associated with Ranzy Locker Ransomware

The Federal Bureau of Investigation FBI has released a Flash report detailing indicators of compromise IOCs associated with attacks using Ranzy Locker, a ransomware variant first identified targeting victims in the United States in late 2020. CISA encourages users and administrators to review the...

SAS 2021: Learning to ChaCha with APT41

Straight from the sunny UK to the stage of SAS-at-Home 2021, John Southworth PwC will be giving some insights about the threat actor APT41, also known as Red Kelpie and Winnti. Starting with APT10 Red Apollo, the presentation will dance you through the malware used by APT41 – the Motnug loader an...

Working PoC Is Out for VMware vCenter CVE-2021-22005 Flaw

A fully working exploit for the critical CVE-2021-22005 remote code-execution RCE vulnerability in VMware vCenter is now public and being exploited in the wild. Released on Monday by Rapid7 security engineer William Vu who goes by the Twitter handle wvu, this one’s different from the incomplete...

SolarWinds Attackers Hit Active Directory Servers with FoggyWeb Backdoor

The threat actors behind the notorious SolarWinds supply-chain attacks have dispatched new malware to steal data and maintain persistence on victims’ networks, researchers have found. Researchers from the Microsoft Threat Intelligence Center MSTIC have observed the APT it calls Nobelium using a...

Detection evasion in CLR and tips on how to detect such attacks

In terms of costs, the age-old battle that pits attacker versus defender has become very one sided in recent years. Almost all modern attacks and ethical offensive exercises use Mimikatz, SharpHound, SeatBelt, Rubeus, GhostPack and other toolsets available to the community. This so-called...

Bring Your APIs Out of the Shadows to Protect Your Business

Pankaj Gupta, Senior Director, Citrix APIs are immensely more complex to secure. What was previously one request to one server has become dozens or hundreds of requests to dozens or hundreds of entities. In the past, you defended one large application with a single front door. Now you must defend...

Enbra Ewm数据伪造问题漏洞

Enbra Ewm is a universal reading device from the Czech company Enbra. It uses a radio to read water meters, heating cost indicators and heat meters. Enbra EWM is vulnerable to a data forgery issue in version 1.7.29, which stems from the fact that the software does not check for or detect replay...