Dissecting a PHP web server rootkit


SophosLabs recently acquired a Linux implant associated with compromised BIG-IP Access Policy Management (APM) environments that use Apache and PHP components. The malware demonstrates advanced techniques including custom ELF loading, function hooking, and runtime code patching to evade detection while maintaining persistent access through hidden web shells.

The implant delivers a familiar outcome – on-demand server‑side code execution commonly associated with web shells – but implements it using deeper Linux- and Apache‑specific tradecraft.

Read more…
Source:  Sophos News


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • Malware exploits braille characters to breach Windows security flaws

    September 16, 2024

    The Windows operating system (OS) had a vulnerability that allowed people to hide a file’s true extension, which hackers were able to use and distribute files that looked like .PDF documents, but were in fact weaponized .HTA files. In the most recent Patch Tuesday cumulative update, Microsoft addressed a flaw described as “Windows MSHTML spoofing vulnerability”, ...

  • Education, Health Sectors Facing Challenges as Nigeria Records 586,130 Cyber Threats in 6 Months

    September 14, 2024

    Between January and June 2024, a staggering 586,130 cyber threats were launched against Nigeria, especially the financial institutions and telecoms companies, with other sectors also facing specific challenges. According to the report, various industries face unique cybersecurity challenges. The education sector grappled with maintaining security amidst digital transformation. The healthcare industry struggled to balance handling sensitive ...

  • I stole 20 GB of data from Capgemini – and now I’m leaking it, says cybercrook

    September 13, 2024

    A miscreant claims to have broken into Capgemini and leaked a large amount of sensitive data stolen from the technology services giant – including source code, credentials, and T-Mobile’s virtual machine logs. The French multinational IT and consulting firm did not immediately respond to The Register’s request for comment, and has yet to formally confirm or ...

  • Chinese-made cargo equipment enables cyber, espionage risks in US ports

    September 12, 2024

    A year-long probe led by GOP members of two House panels found that numerous seaports around the U.S. contain technology originating from Chinese manufacturers that could enable espionage and sabotage. The study conducted by lawmakers and staff on the House Homeland Security Committee and Select Committee on the Chinese Communist Party said that it was an ...

  • Scammers advertise fake AppleCare+ service via GitHub repos

    September 12, 2024

    Malwarebytes Labs researchers uncovered a malicious campaign going after Mac users looking for support or extended warranty from Apple via the AppleCare+ support plans. The perpetrators are buying Google ads to lure in their victims and redirect them to bogus pages hosted on GitHub, the developer and code repository platform owned by Microsoft. The goal of ...

  • BT spots 2,000 potential attacks on its network a second

    September 12, 2024

    Britain’s BT said it was spotting 2,000 signals of potential cyber-attacks across its network every second, as criminals were increasingly using disposable “bots” to try to evade existing blocking and security measures. The telecoms group said on Thursday that digital surveillance activity by hackers using malicious scanning “bots” was 1,200% higher in July compared to the ...