Thursday, March 28, 2024

SpeakUp – A New Undetected Backdoor Exploiting Six Linux Distributions With Known Vulnerabilities

A new trojan dubbed SpeakUp exploiting six different Linux distributions with know vulnerabilities. The campaign primarily targeting East Asia and Latin America, including AWS, hosted machines.

Security researchers from checkpoint detected the campaign that implants the backdoor and evades the detection from all security vendors.

SpeakUp

The trojan dubbed SpeakUp propagates with the infected subnet and exploiting the remote code execution vulnerabilities in Linux servers and also having the ability to install Mac devices.

Server Infection – SpeakUp

Attackers use the vulnerability in ThinkPHP for deploying a PHP shell in the server and then to execute the Perl backdoor, the infection is a three-step process.

The infection vector starts with exploiting ThinkPHP vulnerability (CVE-2018-20062) to upload the PHP shell.

Then in the next step a ibus payload injected to the server with the standard HTTP request and the payload stores in tmp directory.

The additional HTTP request sent to the server to execute the payload which executes the perl script and after two seconds the payload gets deleted.

SpeakUp

Researchers analyzed the sample with VirusTotal on January 9, 2019, and none of the AntiVirus scanners detected it.

C&C Server Communication

The SpeakUp communication starts with POST request which sends a victim ID and other information. C&C communication carried out through compromised website speakupomaha[.]com.

Following are the main functions of SpeakUp

newtask”- Execute arbitrary code on the local machine, download and execute a file from any remote server, kill or uninstall the program and sends updated fingerprint data.

notask”- Sleep for 3 seconds and ask for additional command.

“newerconfig”- Update the downloaded miner configuration file.

Vulnerabilities Exploited

  • CVE-2012-0874: JBoss Enterprise Application Platform Multiple Security Bypass Vulnerabilities
  • CVE-2010-1871: JBoss Seam Framework remote code execution
  • JBoss AS 3/4/5/6: Remote Command Execution (exploit)
  • CVE-2017-10271: Oracle WebLogic wls-wsat Component Deserialization RCE
  • CVE-2018-2894: Vulnerability in the Oracle WebLogic Server component of Oracle Fusion Middleware.
  • Hadoop YARN ResourceManager – Command Execution (exploit)
  • CVE-2016-3088: Apache ActiveMQ Fileserver File Upload Remote Code Execution Vulnerability.

“SpeakUp`s obfuscated payloads and propagation technique is beyond any doubt the work of a bigger threat in the making. It is hard to imagine anyone would build such a compound array of payloads just to deploy few miners,” researchers concluded.

You can follow us on LinkedinTwitterFacebook for daily Cybersecurity updates also you can take the Best Cybersecurity courses online to keep your self-updated.

Website

Latest articles

iPhone Users Beware! Darcula Phishing Service Attacking Via iMessage

Phishing allows hackers to exploit human vulnerabilities and trick users into revealing sensitive information...

2 Chrome Zero-Days Exploited at Pwn2Own 2024: Patch Now

Google has announced a crucial update to its Chrome browser, addressing several vulnerabilities, including...

The Moon Malware Hacked 6,000 ASUS Routers in 72hours to Use for Proxy

Black Lotus Labs discovered a multi-year campaign by TheMoon malware targeting vulnerable routers and...

Hackers Actively Exploiting Ray AI Framework Flaw to Hack Thousands of Servers

A critical vulnerability in Ray, an open-source AI framework that is widely utilized across...

Chinese Hackers Attacking Southeast Asian Nations With Malware Packages

Cybersecurity researchers at Unit 42 have uncovered a sophisticated cyberespionage campaign orchestrated by two...

CISA Warns of Hackers Exploiting Microsoft SharePoint Server Vulnerability

Cybersecurity and Infrastructure Security Agency (CISA) has warned about a critical vulnerability in Microsoft...

Microsoft Expands Edge Bounty Program to Include WebView2!

Microsoft announced that Microsoft Edge WebView2 eligibility and specific out-of-scope information are now included...
Guru baran
Guru baranhttps://gbhackers.com
Gurubaran is a co-founder of Cyber Security News and GBHackers On Security. He has 10+ years of experience as a Security Consultant, Editor, and Analyst in cybersecurity, technology, and communications.

Mitigating Vulnerability Types & 0-day Threats

Mitigating Vulnerability & 0-day Threats

Alert Fatigue that helps no one as security teams need to triage 100s of vulnerabilities.

  • The problem of vulnerability fatigue today
  • Difference between CVSS-specific vulnerability vs risk-based vulnerability
  • Evaluating vulnerabilities based on the business impact/risk
  • Automation to reduce alert fatigue and enhance security posture significantly

Related Articles