“Unmasking HrServ: The Web Shell Behind the Afghan Government APT Attack”

“Unmasking HrServ: The Web Shell Behind the Afghan Government APT Attack”

Unveiling the HrServ Cyber Attack on an Afghan Government Entity

• A previously unknown web shell named HrServ targeted with Advanced Persistent Threat (APT) attack an unspecified Afghan government department.
• HrServ is a dynamic-link library (DLL) named “hrserv.dll”.
• The web shell showcases sophisticated features such as custom encoding methods for client communication and in-memory execution.
• Kaspersky security researcher Mert discovered these characteristics.

The HrServ Web Shell and its APT Attack

Amazingly, in this digital arena’s high-speed contest, you find new players popping up every now and then. A previously unidentified web shell called HrServ recently landed a punch on an undisclosed Afghan government entity. This unsolicited newcomer stepped into the ring with an advanced persistent threat (APT) attack, showing the darker side of the tech world’s “Never-ending story”.

Attributes of HrServ

Now let’s unmask our little baddie. HrServ, or to use its full Sunday name, the dynamic-link library called “hrserv.dll”. Much like naming a deadly virus ‘Fluffy’, our cheeky cyber intruders can’t resist a little irony. The HrServ web shell boasts a repertoire of impressive features, like a secret agent with state-of-the-art gadgets. It’s capable of custom encoding methods for client communication and in-memory execution, making it a pretty formidable foe.

Revealing the Truth – The Role of Kaspersky

Cue our hero, Kaspersky security researcher Mert (queue superhero music). This cyber-sleuth uncovered these complex attributes of HrServ. While we can’t confirm whether Mert possesses a Batmobile or has a penchant for capes, his expertise in the realm of cyber security is unquestionable.


In essence, the digital marathon continues with a new runner named HrServ. This unknown entity launched an advanced persistent threat (APT) attack on an unspecified Afghan government entity, proving that the cybersecurity world still harbors threats of unknown proportions. The HrServ web shell, a deceptively named DLL, wields sophisticated tools like custom encoding and in-memory execution, making it a strong adversary. Nevertheless, Kaspersky’s Mert, our cyber-security Batman, discovered and exposed these features, once again reminding us that every Joker has his Batman.

And on a lighter note, what do we learn from HrServ? Well, in the world of cybersecurity, not every shell is good for making a pasta sauce!

Original Article: https://thehackernews.com/2023/11/new-hrservdll-web-shell-detected-in-apt.html

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