Tuesday, July 1, 2025

Backdoored Magento Extensions Influence A number of On-line Shops


Magento shops have fallen prey to a brand new wave of malware assault by way of backdoored extensions. Researchers have noticed quite a few backdoored extensions working on numerous on-line shops that have been contaminated following a supply-chain assault.

Backdoored Magento Extensions Infect E-Shops

Researchers from Sansec safety agency have found a malicious marketing campaign concentrating on on-line shops by way of contaminated web site extensions. They noticed a number of backdoored Magento extensions propagating the malware to completely different e-stores on this marketing campaign.

Particularly, the researchers observed 21 completely different apps with the identical backdoor, hinting on the related origin of the menace.

Notably, the extensions didn’t get the malware an infection currently. As a substitute, Sansec noticed that the extensions have been doubtless backdoored roughly 6 years in the past. Nevertheless, the malware remained dormant all through the years, solely to turn out to be energetic now after present process in depth improvement. This conduct signifies a supply-chain assault affecting sure distributors and infecting their extensions to compromise their respective buyer shops.

Sansec researchers have shared the whole checklist of affected extensions that belong to a few distributors: Tigren, Meetanshi, and MGS. These backdoored extensions appeared on-line between 2019 and 2022. Based on the researchers, the attackers breached the respective distributors’ servers to contaminate the extensions with the malware. Nevertheless, the malware remained dormant, activating solely not too long ago to focus on a whole bunch of on-line shops, together with a $40 billion multinational that Sansec didn’t title.

Following this discovery, the researchers reached out to the respective distributors. Nevertheless, they couldn’t obtain passable remedial responses from the distributors. Particularly, MGS and Tigren didn’t take away the contaminated extensions till the time of their report. Whereas MGS merely didn’t reply, Tigren denied any hacking assault. In distinction, Meetanshi, whereas denying any software program tampering, admitted to having suffered a server breach.

Along with the talked about distributors, the researchers additionally noticed a backdoored model of the Weltpixel GoogleTagManager extension. Nevertheless, they couldn’t particularly decide if the malware an infection occurred on the vendor’s finish or the shops.

Really helpful Remediation

Sansec researchers have shared particulars concerning the backdoor an infection of their put up. Briefly, the malware resides in recordsdata named License.php or LicenseApi.php that features the pretend license examine. Executing this malicious file executes the malware.

The evil is within the adminLoadLicense operate, which executes $licenseFile as PHP… The $licenseFile may be managed by the attacker utilizing the adminUploadLicense operate.

Therefore, for retailer admins, the researchers advise eradicating the pretend license file to take away the backdoor from their e-stores. In addition to, customers should stay cautious when interacting with any software program from the talked about distributors.

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