Saturday, April 13, 2024

Early Bird – A Malware Code Injection Technique to Evade the Detection by Anti-Malware

Advanced Malware threats nowadays using powerful Code Injection Technique called  “Early Bird” that helps to evade the detection by Anti-Malware software.

Code injection technique allows malware inject the malicious code into a legitimate process and run before an entry point of the process in Main threat.

This New technique abuse the anti-malware product to evade the detection since the malicious injection process started earlier before an Anti-Malware start its scanning process.

Since the Malicious code has been injected before the entry point of the legitimate process, anti Malware scan only perform the legitimated process hence obfuscates the malicious code execution.

Various new Malware is using this technique such as DorkBot to evade the detection and compromise the targeted computers.

How does “Early Bird” Code Injection Technique Works

Early Bird Code injection flaw starts with creating a suspended process (a new process that executes and continue within the running process) and this suspended process(svchost.exe) most likely to be legitimate windows process.

Once the suspended process(svchost.exe) will be created then malware allocate a memory and write malicious code to that process.

After the required memory allocation, it Writes the Malicious code into the allocated memory space its also called hollow process infection.

Later it Queues an asynchronous procedure call (APC) to execute the code on the main thread and resuming the thread for the execution and the start address pointed to the entry point of Malicious code.

According to Microsoft, When a user-mode APC is queued, the thread to which it is queued is not directed to call the APC function unless it is in an alertable state” so APC will be in an alertable state in order to execute the APC.

According to cyberbit Research, “the thread has not even started its execution since the process was created in a suspended state. How does the malware “know” that this thread will be alertable at some point? Does this method work exclusively on svchost.exe or will it always work when a process is created in a suspended state?”

In this case, Malware can able to abuse the other process as well and researchers analyse the process that reveals when resuming the main threat and it loads the malicious code in a very early stage of thread initialization, before many security products place their hooks – which allows the malware to perform its malicious actions without being detected.

Early Bird code injection video

Website

Latest articles

Alert! Palo Alto RCE Zero-day Vulnerability Actively Exploited in the Wild

In a recent security bulletin, Palo Alto Networks disclosed a critical vulnerability in its...

6-year-old Lighttpd Flaw Impacts Intel And Lenovo Servers

The software supply chain is filled with various challenges, such as untracked security vulnerabilities...

Hackers Employ Deepfake Technology To Impersonate as LastPass CEO

A LastPass employee recently became the target of an attempted fraud involving sophisticated audio...

Sisence Data Breach, CISA Urges To Reset Login Credentials

In response to a recent data breach at Sisense, a provider of data analytics...

DuckDuckGo Launches Privacy Pro: 3-in-1 service With VPN

DuckDuckGo has launched Privacy Pro, a new subscription service that promises to enhance user...

Cyber Attack Surge by 28%:Education Sector at High Risk

In Q1 2024, Check Point Research (CPR) witnessed a notable increase in the average...

Midnight Blizzard’s Microsoft Corporate Email Hack Threatens Federal Agencies: CISA Warns

The Cybersecurity and Infrastructure Security Agency (CISA) has issued an emergency directive concerning a...
Balaji
Balaji
BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.

Top 3 SME Attack Vectors

Securing the Top 3 SME Attack Vectors

Cybercriminals are laying siege to small-to-medium enterprises (SMEs) across sectors. 73% of SMEs know they were breached in 2023. The real rate could be closer to 100%.

  • Stolen credentials
  • Phishing
  • Exploitation of vulnerabilities

Related Articles