SecuriTricks - rootkit

DeerStealer Malware Campaign: Stealth, Persistence, and Rootkit-Like Capabilities

DeerStealer is a sophisticated information-stealing malware that targets a wide range of user and system data. It employs deception techniques, persistence mechanisms, and rootkit-like capabilities to evade detection and maintain stealth on compromised systems. The malware uses signed executables, …

rootkit

persistence

multi-stage-execution

xfiles spyware

Published: September 20, 2025

Downloadable IOCs: 0

Inside the Kimsuky Leak: How the 'Kim' Dump Exposed North Korea's Credential Theft Playbook

A data breach attributed to a North Korean-affiliated actor known as "Kim" has provided new insights into Kimsuky (APT43) tactics and infrastructure. The actor's operations focus on credential-based intrusions targeting South Korean and Taiwanese networks, utilizing Chinese-language tools and infra…

Published: September 8, 2025

Downloadable IOCs: 11

AI-Generated Malware in Panda Image Hides Persistent Linux Threat

A sophisticated Linux malware campaign called Koske has been discovered, showing signs of AI-assisted development. The threat exploits misconfigured servers to install backdoors and download weaponized JPEG images containing malicious payloads. The malware uses polyglot file abuse to hide shellcode…

Published: July 24, 2025

Downloadable IOCs: 2

Ongoing SonicWall Secure Mobile Access (SMA) Exploitation Campaign using the OVERSTEP Backdoor

A financially-motivated threat actor, UNC6148, is targeting fully patched end-of-life SonicWall SMA 100 series appliances. They are using stolen credentials and OTP seeds from previous intrusions to regain access. The actor has deployed a new persistent backdoor/user-mode rootkit called OVERSTEP, w…

Published: July 18, 2025

Linked vulnerabilities : CVE-2025-32819 (CVSS 8.8), CVE-2021-20039, CVE-2023-44221, CVE-2021-20035, CVE-2024-38475, CVE-2021-20038

Downloadable IOCs: 4

Earth Kurma APT Campaign Targets Southeast Asian Government, Telecom Sectors

An APT group named Earth Kurma is actively targeting government and telecommunications organizations in Southeast Asia, particularly in the Philippines, Vietnam, Thailand, and Malaysia. The campaign, which dates back to November 2020, employs advanced custom malware, rootkits, and cloud storage ser…

Published: May 1, 2025

Downloadable IOCs: 58

Deep Dive Into a Linux Rootkit Malware

This analysis examines a Linux rootkit malware deployed by remote attackers on a compromised CentOS system. The malware consists of a kernel module (sysinitd.ko) and a user-space binary (sysinitd). The kernel module hijacks inbound network traffic using a Netfilter hook, creates procfs entries for …

Published: January 14, 2025

Downloadable IOCs: 3

Declawing PUMAKIT

PUMAKIT is a sophisticated multi-stage Linux malware consisting of a dropper, memory-resident executables, an LKM rootkit, and a userland rootkit. It employs advanced stealth techniques to hide its presence and maintain C2 communication. The rootkit hooks 18 syscalls and kernel functions using ftra…

Published: December 16, 2024

Downloadable IOCs: 12

Malware Analysis: A Kernel Land Rootkit Loader for FK_Undead

This analysis delves into a Windows rootkit loader for the FK_Undead malware family, known for intercepting user network traffic through proxy manipulation. The loader, signed with a valid Microsoft certificate, installs itself as a system service and employs various evasion techniques. It download…

Published: December 11, 2024

Downloadable IOCs: 20

Unveiling WolfsBane: Linux counterpart to Gelsevirine

ESET researchers have discovered previously unknown Linux backdoors attributed to the China-aligned Gelsemium APT group. The main backdoor, named WolfsBane, is the Linux equivalent of Gelsemium's Gelsevirine backdoor for Windows. Another backdoor, FireWood, is connected to the group's Project Wood …

Published: November 22, 2024

Downloadable IOCs: 41

Burning Zero Days: Suspected Nation-State Adversary Targets Ivanti CSA

A zero-day vulnerability exploited by an advanced adversary to gain access to a victim’s network, according to research by FortiGuard Labs and the Centre for Strategic Intelligence (CISA).

zero-day vulnerability

Published: October 15, 2024

Downloadable IOCs: 17

From Perfctl to InfoStealer

A new stealthy Linux malware called perfctl has been analyzed. The malware runs two processes: perfctl and a disguised process mimicking known Linux processes. It uses Tor for external communications and local sockets for inter-process communication. After 30 minutes, the attacker drops scripts to …

Published: October 9, 2024

Downloadable IOCs: 3

perfctl: A Stealthy Malware Targeting Millions of Linux Servers

A sophisticated Linux malware named 'perfctl' has been actively targeting millions of servers worldwide for the past 3-4 years. It exploits over 20,000 types of misconfigurations to compromise Linux systems. The malware employs advanced evasion techniques, including rootkits, process masquerading, …

Published: October 4, 2024

Linked vulnerabilities : CVE-2023-33246, CVE-2021-4034, CVE-2021-4043

Downloadable IOCs: 9

The Return of Ghost Emperor’s Demodex

This document examines a recent infection chain utilized by the sophisticated China-nexus threat group GhostEmperor. It delves into the multi-stage loading process of the Demodex rootkit, which incorporates several obfuscation techniques and loading schemes. The analysis covers various components, …

Published: August 8, 2024

Linked vulnerabilities : CVE-2024-20399

Downloadable IOCs: 3

From Dormant to Dangerous: P2Pinfect Evolves to Deploy New Ransomware and Cryptominer

P2Pinfect is a sophisticated malware that utilizes a peer-to-peer botnet for command and control. Initially appearing dormant, it has evolved to deploy ransomware and cryptominer payloads. The malware spreads via exploiting Redis and limited SSH capabilities. A recent update introduced a new ransom…

Published: June 27, 2024

Downloadable IOCs: 15

Uncovering Espionage Operations

This comprehensive analysis delves into the intricate tactics employed by a suspected China-nexus cyber espionage actor, UNC3886. The report unveils the group's sophisticated exploitation of zero-day vulnerabilities and their deployment of rootkits like REPTILE and MEDUSA for persistent system acce…

Published: June 24, 2024

Linked vulnerabilities : CVE-2023-20867, CVE-2022-41328, CVE-2022-22948, CVE-2023-34048, CVE-2022-42475

Downloadable IOCs: 39

Guntior - the story of an advanced bootkit that doesn't rely on Windows disk drivers

Amid the rise of bootkits at the time, a dropper was captured in-the-wild and posted on a malware tracker. The malware was called "Guntior", named after the device object its authors had chosen for it (\Device\Guntior). The name also appears in AV detections.

Published: May 8, 2024

Downloadable IOCs: 6

Tag: rootkit

Attack reports

The HoneyMyte APT now protects malware with a kernel-mode rootkit

IIS servers owned by RudePanda like it's 2003

FlipSwitch: a Novel Syscall Hooking Technique

DeerStealer Malware Campaign: Stealth, Persistence, and Rootkit-Like Capabilities

Inside the Kimsuky Leak: How the 'Kim' Dump Exposed North Korea's Credential Theft Playbook

AI-Generated Malware in Panda Image Hides Persistent Linux Threat

Ongoing SonicWall Secure Mobile Access (SMA) Exploitation Campaign using the OVERSTEP Backdoor

Earth Kurma APT Campaign Targets Southeast Asian Government, Telecom Sectors

Deep Dive Into a Linux Rootkit Malware

Declawing PUMAKIT

Malware Analysis: A Kernel Land Rootkit Loader for FK_Undead

Unveiling WolfsBane: Linux counterpart to Gelsevirine

Burning Zero Days: Suspected Nation-State Adversary Targets Ivanti CSA

From Perfctl to InfoStealer

perfctl: A Stealthy Malware Targeting Millions of Linux Servers

The Return of Ghost Emperor’s Demodex

From Dormant to Dangerous: P2Pinfect Evolves to Deploy New Ransomware and Cryptominer

Uncovering Espionage Operations

Guntior - the story of an advanced bootkit that doesn't rely on Windows disk drivers