Tag
Detection of External IP Discovery via Curl on macOS
1 rule 1 TTP 1 IOCThreat actors utilize curl or nscurl on macOS to query public IP geolocation services for reconnaissance, enabling them to assess network context and stage follow-on malicious activity.
binutils: Vulnerability Enables Denial of Service and Data Disclosure
2 TTPsA local attacker can exploit a vulnerability in binutils to cause a Denial of Service condition and disclose sensitive data.
Multiple Privilege Escalation Vulnerabilities in ESET macOS Products
1 TTP 2 CVEs 4 IOCsMultiple vulnerabilities discovered in ESET Cyber Security and Endpoint Security for macOS allow an attacker to achieve privilege escalation on affected systems, posing a significant risk to macOS users.
GPSD Code Injection Vulnerability in gpsprof (CVE-2026-60122)
1 rule 1 TTP 1 CVEA high-severity code injection vulnerability, CVE-2026-60122, exists in the gpsprof utility of gpsd through version 3.27.5, allowing an attacker to achieve arbitrary OS command execution by injecting malicious content into GPS input data processed by gnuplot.
Detection of Generative AI Processes Connecting to Unusual Domains
1 rule 1 TTPAdversaries may compromise macOS-based Generative AI (GenAI) tools through prompt injection, malicious Model Context Protocol (MCP) servers, or poisoned plugins to establish Command and Control (C2) channels or exfiltrate sensitive data by causing them to connect to unusual domains.
CVE-2026-9323: Urwid Web Display Backend Session ID Prediction Vulnerability
5 TTPs 1 CVEA vulnerability, CVE-2026-9323, in the urwid web display backend (urwid/display/web.py) allows attackers to predict and hijack web session identifiers ('urwid_id') due to the use of a non-cryptographically secure pseudo-random number generator (Python's Mersenne Twister) and the exposure of these IDs as filenames in a world-listable `/tmp` directory, potentially leading to OS-level code execution or denial of service by injecting keystrokes or terminating sessions.
ClickLock macOS Stealer Uses Coercive App Killing to Force Password Entry
3 rules 9 TTPs 2 IOCsThe ClickLock macOS infostealer employs a unique coercive tactic by repeatedly killing essential macOS applications, such as Finder and Dock, every 210 milliseconds until the victim provides their login password, leading to the exfiltration of sensitive credentials and cryptocurrency wallets.
Adobe Creative Cloud Desktop Vulnerability Allows Arbitrary Code Execution via Uncontrolled Search Path
1 TTP 1 CVEAn Uncontrolled Search Path Element vulnerability (CVE-2026-48272) in Adobe Creative Cloud Desktop versions up to 6.9.1.1 could allow arbitrary code execution in the context of the current user, requiring no user interaction but dependent on conditions beyond the attacker's full control.
TidGi Desktop Remote Code Execution via Malicious TiddlyWiki Repository Import
1 rule 3 TTPs 4 IOCsA critical remote code execution (RCE) vulnerability exists in TidGi Desktop through version 0.13.0, allowing attackers to execute arbitrary code with full Node.js access by tricking victims into importing a specially crafted TiddlyWiki Git repository, leveraging the automatic execution of 'startup' modules during the wiki boot sequence.
JetBrains IntelliJ IDEA Vulnerability Allows Code Execution
2 TTPsA remote, anonymous attacker can exploit an unspecified vulnerability in JetBrains IntelliJ IDEA to achieve arbitrary code execution, enabling them to execute arbitrary program code on the affected system.
Wget Vulnerability Allows Security Bypass and Server-Side Request Forgery
1 TTPA local attacker can exploit a vulnerability in wget to bypass existing security measures and perform a Server-Side Request Forgery (SSRF) attack, enabling requests to internal or restricted resources from the local system.
Out-of-Bound Read Vulnerability in mtr (CVE-2026-14461)
1 CVECVE-2026-14461 identifies an out-of-bound read vulnerability in the mtr network diagnostic tool that could lead to information disclosure or denial of service on Linux and macOS systems.
Setuptools Unicode Normalization Collision Bypass on macOS
1 CVEA vulnerability, CVE-2026-59890, affects the setuptools project, allowing a MANIFEST.in exclusion bypass during source distribution package creation due to Unicode normalization collisions (NFC/NFD) on macOS systems using APFS or HFS+ file systems.
CVE-2026-58459 - gpsd gpsprof Command Injection
2 rules 1 TTP 1 CVEA command injection vulnerability, CVE-2026-58459, exists in the gpsprof utility of gpsd through version 3.27.5, allowing an attacker to exploit this by controlling the GPS device subtype value and embedding backtick payloads within the gnuplot plot title, which leads to arbitrary shell command execution as the user running gnuplot when a victim renders a generated plot via the gpsprof and gnuplot workflow due to improper escaping.
CVE-2026-59999: OpenSSH sshd Configuration Bypass via PermitTunnel
1 CVEA logic error in OpenSSH's sshd daemon before version 10.4 allowed the PermitTunnel configuration to take precedence over DisableForwarding=yes, leading to unintended SSH tunnel establishment and potential unauthorized network access through the tunnel feature.
CVE-2026-59996: OpenSSH scp File Placement Vulnerability
1 CVECVE-2026-59996 details a vulnerability in OpenSSH's `scp` utility, allowing a remote attacker to cause a copied file to be placed in a parent directory of the intended destination during a remote-to-remote transfer, potentially leading to unintended file system modification.
OpenSSH internal-sftp Vulnerability (CVE-2026-59997) Allows Security Property Bypass
1 CVECVE-2026-59997 describes a vulnerability in the internal-sftp component of OpenSSH's sshd service, affecting versions before 10.4, where the service only processes the first nine command-line arguments, potentially leading to a bypass of security controls or unintended configuration.
macOS Local System Accounts Discovery
1 rule 1 TTPAdversaries leverage various built-in macOS utilities and commands, such as `dscl`, `dscacheutil`, `cat /etc/passwd`, `id`, `lsof`, `who`, `w`, `users`, `last`, `ls /Users`, `defaults`, and `plutil`, to enumerate local system accounts, facilitating lateral movement or privilege escalation within a compromised macOS environment.
Multiple Vulnerabilities in Foxit PDF Editor and Reader
3 TTPs 5 CVEsMultiple critical vulnerabilities, including CVE-2026-13126 and CVE-2026-13127, have been discovered in Foxit PDF Editor and Reader for Windows and macOS, enabling a remote attacker to achieve arbitrary code execution, elevate privileges, and compromise data confidentiality if users open a crafted malicious PDF document.
CVE-2026-14802: Remote OS Command Injection in React Create React App
2 TTPs 1 CVE 6 IOCsA high-severity OS command injection vulnerability (CVE-2026-14802) exists in `react create-react-app` up to version 5.0.1, specifically within the `startBrowserProcess` function of the `openBrowser.js` file in the `react-dev-utils` component, allowing for remote exploitation and arbitrary OS command execution on affected macOS development environments.
OpenClaw Workspace .env Homebrew Executable Override Vulnerability (CVE-2026-53819)
1 TTP 1 CVEA high-severity vulnerability (CVE-2026-53819) in OpenClaw versions prior to 2026.5.27 allows a malicious `.env` file within a repository to override the Homebrew executable selection during skill installation flows, potentially leading to arbitrary code execution on trusted operator systems running macOS or Linux.
OpenClaw Vulnerability Allows Execution Revalidation Bypass (CVE-2026-53806)
1 CVEA high-severity vulnerability, CVE-2026-53806, in npm/openclaw versions up to 2026.5.7, allows attackers to bypass 'exec revalidation' controls by confusing the application with combined POSIX shell options, leading to unauthorized inline shell content execution and potential remote code execution.
Network-AI: Improper Neutralization of Special Elements used in an OS Command (CVE-2026-54051)
2 rules 1 TTPThe `network-ai` package, versions prior to 5.9.1, is vulnerable to a critical command injection flaw (CVE-2026-54051) where the `ShellExecutor` component fails to properly neutralize shell metacharacters when processing commands, allowing an attacker to achieve arbitrary command execution as the orchestrator process by bypassing allowlist controls.
Vim Denial of Service Vulnerability
2 rules 1 TTPA vulnerability in the vim text editor allows a remote, unauthenticated attacker to perform a Denial of Service attack by exploiting a weakness to disrupt the service without requiring prior authentication.
CrowdStrike 2026 Technology Threat Landscape Report: China's Ambitions Fuel Attacks
2 rules 6 TTPsThe CrowdStrike 2026 Technology Threat Landscape Report highlights the pervasive targeting of the technology sector by China-nexus and eCrime adversaries, employing tactics like password spraying, vulnerability exploitation, supply chain compromises (e.g., Axios npm package, GitHub repositories), and malware distribution (macOS info stealers via OpenClaw lures) to achieve intelligence collection, intellectual property theft, and financial extortion.
Multiple Vulnerabilities in Microsoft Office Products (June 2026)
3 rules 4 TTPs 5 CVEsCERT-FR has disclosed 31 vulnerabilities in various Microsoft Office products, including CVE-2026-44803 and CVE-2026-47635, which could allow remote code execution, privilege escalation, and data confidentiality compromise.
Operation FlutterBridge: macOS Malvertising Campaign Spreads New FlutterShell Backdoor
3 rules 1 TTP 8 IOCsOperation FlutterBridge is a malvertising campaign targeting macOS users with the new FlutterShell backdoor, which uses malicious desktop applications for adware distribution and provides backdoor capabilities such as command execution and file system manipulation, with some variants using AI summarization for data exfiltration.
GitHub Internal Repositories Compromised via Malicious Nx Console Extension
2 rules 2 TTPsGitHub internal repositories were compromised after an attacker injected malicious code into the Nx Console Visual Studio Code extension (v18.95.0), leading to the exfiltration of approximately 3,800 internal repositories.
OpenVPN Connect MacOS Local Privilege Escalation Vulnerability
2 rules 1 TTPA local attacker can exploit a vulnerability in OpenVPN Connect on MacOS to escalate their privileges.
Multiple Vulnerabilities in Apple macOS Sequoia, Sonoma, and Tahoe
2 rules 5 TTPsA remote, anonymous attacker can exploit multiple vulnerabilities in Apple macOS to gain root privileges, execute arbitrary code, cause a denial-of-service condition, disclose confidential information, modify data, or bypass security measures.
Dumping Account Hashes via Built-In Commands on macOS
3 rules 1 TTPThis rule detects the execution of macOS built-in commands such as `defaults`, `mkpassdb`, and `dscl` used by adversaries to dump user account hashes for credential access and lateral movement.
Ivanti Secure Access Client: Local Privilege Escalation Vulnerabilities
2 rules 1 TTPA local attacker can exploit vulnerabilities in Ivanti Secure Access Client to manipulate files or escalate privileges, potentially gaining elevated access to the system.
macOS TCC Database Modification for Privacy Control Bypass
2 rules 2 TTPs 1 CVEAdversaries may attempt to bypass macOS privacy controls by directly modifying the Transparency, Consent, and Control (TCC) SQLite database using sqlite3, potentially gaining unauthorized access to sensitive resources.
Suspicious AWS S3 Connection via Script Interpreter
2 rules 5 TTPsThe rule detects script interpreters (osascript, Node.js, Python) making outbound connections to AWS S3 or CloudFront domains on macOS, which may indicate command and control or data exfiltration activity.
CVE-2026-47114 - IINA Command Execution Vulnerability via Custom URL Scheme
2 rules 1 TTP 1 CVEIINA before 1.4.3 contains a user-assisted command execution vulnerability that allows remote attackers to execute arbitrary commands by supplying malicious mpv_-prefixed query parameters through the iina://open custom URL scheme handler.
SHub Reaper Stealer Backdoors macOS with Multi-Brand Spoofing
3 rules 4 TTPsThe SHub Reaper stealer combines credential theft, wallet hijacking, and document exfiltration with persistent backdoor access on macOS, distributed through fake WeChat and Miro installers while spoofing Apple, Google, and Microsoft to evade detection.
SHub macOS Infostealer Variant 'Reaper' Spoofing Apple Security Updates
3 rules 5 TTPs 3 IOCsA new variant of the 'SHub' macOS infostealer, dubbed Reaper, uses AppleScript to display a fake security update message and install a backdoor, ultimately stealing browser data, financial documents, and cryptocurrency wallet information while bypassing Terminal-based mitigations in macOS.
macOS Finder Sync Plugin Persistence via Pluginkit
2 rules 1 TTPThis rule detects suspicious Finder Sync plugin registrations on macOS, where adversaries abuse the pluginkit process to establish persistence by repeatedly executing malicious payloads.
Potential macOS SSH Brute Force Detected
2 rules 2 TTPsThis rule identifies a high number of inbound SSH login attempts on a macOS host within a short time window by monitoring the `sshd-keygen-wrapper` process, indicating potential brute-force attacks against exposed SSH services.
AMOS (Atomic macOS Stealer) Malware Targeting macOS Systems
3 rules 7 TTPsThe Atomic macOS Stealer (AMOS) is a prevalent malware-as-a-service targeting macOS, distributed via social engineering techniques like ClickFix ruses and fake installers, designed to steal sensitive data such as credentials and cryptocurrency wallets, leading to potential account compromise and further attacks.
Multiple Vulnerabilities in Apple macOS Sonoma, Sequoia, and Tahoe
2 rules 6 TTPsMultiple vulnerabilities exist in Apple macOS Sonoma, macOS Sequoia, and macOS Tahoe that could allow an attacker to elevate privileges, conduct a denial-of-service attack, disclose information, execute arbitrary code, and bypass security measures.
Multiple Vulnerabilities in Apple macOS
2 rules 4 TTPsMultiple vulnerabilities in Apple macOS allow an attacker to bypass security measures, conduct denial of service attacks, disclose information, manipulate files, and escalate privileges.
Suspicious macOS MS Office Child Process
2 rules 6 TTPsThis rule identifies suspicious child processes of Microsoft Office applications on macOS, which often result from exploitation or malicious macros, by detecting unexpected processes like curl, bash, osascript, and python spawned by Office apps, while filtering out false positives related to product version discovery, error reporting, and legitimate software.
Malvertising Campaign Abuses Google Ads and Claude.ai for macOS Malware Delivery
3 rules 1 TTP 3 IOCsAttackers are using Google Ads malvertising and weaponized Claude.ai shared chats to trick macOS users into downloading and executing malware, leading to credential theft and system compromise.
macOS SIP Bypass via Sandboxing Abuse
2 rules 2 TTPsA macOS vulnerability enables bypassing System Integrity Protection (SIP) by abusing sandboxing mechanisms to load an untrusted library into a SIP-entitled process.
WINDSHIFT APT Abuses Custom URL Schemes for macOS Infection
2 rules 1 TTPThe WINDSHIFT APT group is infecting Macs by abusing custom URL schemes, where advertising support for a custom URL scheme in an application's Info.plist causes the application to be automatically launched when a URL with that scheme is opened, allowing attackers to remotely compromise systems with minimal user interaction and creating an initial access vector.
OSX.Dummy Malware Targeting Cryptocurrency Community
2 rulesOSX.Dummy is a new macOS malware targeting the cryptocurrency community, as reported by Objective-See.
Mac Adware Injecting Malicious JavaScript via Obfuscated Python Script
2 rules 2 TTPs 1 IOCA Mac adware, likely a component of OSX.Pirrit, uses multiple layers of obfuscation, including base64 encoding, zlib compression, and variable renaming, to evade detection and inject malicious JavaScript from hxxps://1049434604.rsc.cdn77.org/ij1.min.js.
Adware Doctor Steals and Exfiltrates Browser History from Mac App Store Users
2 rules 2 TTPs 9 IOCsAdware Doctor, a popular app available on the Mac App Store, surreptitiously steals user's browsing history from Safari and Chrome, compresses the data into a password-protected zip archive, and exfiltrates it to a remote server.
ClickFix Campaign Targets macOS Users with Infostealers via Fake Utility Fixes
2 rules 5 TTPs 5 IOCsThe ClickFix campaign targets macOS users with fake utility fixes, tricking them into running malicious Terminal commands to install infostealing malware such as Macsync, Shub Stealer, and AMOS.
CUPS Vulnerability Allows Local Privilege Escalation
2 rules 1 TTPA local attacker can exploit a vulnerability in CUPS to execute arbitrary program code with administrator privileges on Linux and macOS systems.
Bad Apples: Weaponizing Native macOS Primitives for Lateral Movement and Execution
2 rules 2 TTPsAdversaries are increasingly targeting macOS environments, leveraging native tools like Remote Application Scripting (RAS) and Spotlight metadata to bypass security controls for remote code execution and lateral movement.
First Time Python Process Creates macOS Launch Agent or Daemon
2 rules 2 TTPsThis rule detects the initial creation or modification of a macOS LaunchAgent or LaunchDaemon plist file by a Python process, a common persistence technique employed by attackers using malicious scripts, compromised dependencies, or model file deserialization.
Electron Use-After-Free Vulnerability in PowerMonitor Module
2 rules 1 TTPA use-after-free vulnerability exists in the `powerMonitor` module of Electron applications on Windows and macOS. When the native `PowerMonitor` object is garbage-collected, dangling references are retained by OS-level resources. Subsequent session-change events on Windows or system shutdowns on macOS may dereference freed memory, potentially leading to a crash or memory corruption.
CVE-2024-44250: macOS Sequoia Privilege Escalation Vulnerability
2 rules 1 TTP 1 CVECVE-2024-44250 is a permission issue in macOS Sequoia 15.1 that allows an application to execute arbitrary code outside of its sandbox or with elevated privileges, potentially leading to full system compromise.
Kubectl Network Configuration Modification
3 rules 2 TTPsThis rule detects potential kubectl network configuration modification activity by monitoring for process events where the kubectl command is executed with arguments that suggest an attempt to modify network configurations in Kubernetes, potentially leading to unauthorized access or data exfiltration.
GhostLoader Malware Targeting macOS via GitHub and AI Workflows
2 rules 1 TTPGhostLoader malware leverages GitHub repositories and AI-assisted development workflows to distribute credential-stealing payloads targeting macOS systems.
Malware Spreading Through Fake 'Claude Code' Google Ads
2 rules 1 TTPMalware is distributed via malicious advertisements on Google impersonating 'Claude Code', targeting both Windows and macOS operating systems with the goal of infecting users.
macOS User Added to Admin Group Detection
2 rules 2 TTPsThe rule identifies when a user is added to the admin group on macOS systems, potentially indicating privilege escalation activity, and requires Jamf Protect for data ingestion into Elastic.
First Time Python Created a LaunchAgent or LaunchDaemon
2 rules 1 TTPDetection of the first-time a Python process creates or modifies a LaunchAgent or LaunchDaemon plist file on a given macOS host, which is indicative of persistence attempts via malicious scripts, compromised dependencies, or model file deserialization.
First Time Python Accessed Sensitive Credential Files on macOS
2 rules 1 TTPThis alert triggers on the first instance of a Python process accessing sensitive credential files on macOS, potentially indicating post-exploitation credential theft.
First Time Python Spawned a Shell on macOS Host
2 rules 1 TTPThis rule detects the first time a Python process spawns a shell on a given macOS host using the `-c` flag, indicating potential malicious activity stemming from compromised Python environments.
GenAI Process Connection to Unusual Domain on macOS
2 rules 1 TTPThis rule detects GenAI tools on macOS connecting to unusual domains, potentially indicating command and control activity, data exfiltration, or malicious payload retrieval following compromise via prompt injection, malicious MCP servers, or poisoned plugins.
Apple's App Translocation Security Mechanism
2 rules 2 CVEsApple's App Translocation in macOS v10.12 mitigates Gatekeeper bypasses (CVE-2015-3715, CVE-2015-7024) by creating a read-only DMG, impacting applications accessing external resources.
macOS Privilege Escalation via Feedback Assistant Race Condition (CVE-2019-8565)
2 rules 1 TTP 1 CVEA race condition vulnerability (CVE-2019-8565) exists in macOS where a privileged XPC service, com.apple.appleseed.fbahelperd, improperly validates XPC messages based on process ID, allowing an unprivileged process to escalate privileges to root.
Firefox 0-day Drops OSX.Mokes.B Backdoor on macOS
2 rules 5 TTPs 1 IOCA Firefox 0-day exploit was used to target Mac users, dropping a second backdoor identified as a new variant of the cross-platform Mokes malware (OSX.Mokes.B) with screen capture, audio capture, and document exfiltration capabilities.
Kaspersky Anti-Virus Reverse Engineering for Document Detection
2 rules 1 TTPA blog post details the reverse engineering of the Kaspersky anti-virus engine on macOS to demonstrate the potential for crafting signatures capable of detecting and flagging classified documents, leveraging the product's scanning capabilities and dynamic signature updates, without implying any malicious activity by Kaspersky.
OSX/CreativeUpdater Cryptominer Distributed via MacUpdate
3 rules 2 TTPs 7 IOCsOSX/CreativeUpdater is a macOS cryptominer distributed through compromised download links on the MacUpdate website, using a trojanized application bundle to execute a script that downloads and installs a persistent Monero miner using launch agents.
macOS Mojave Sandbox Distributed Notification Bypass
2 rules 1 TTPA vulnerability in macOS Mojave allows sandboxed applications to bypass sandbox restrictions and surreptitiously monitor user activities by registering for distributed notifications by name, circumventing intended privacy protections.
macOS Local Privilege Escalation via CVE-2017-7170
2 rules 1 TTP 1 CVECVE-2017-7170 is a local privilege escalation vulnerability in macOS stemming from insecure use of the `AuthorizationExecuteWithPrivileges` API, allowing unprivileged users to execute arbitrary code as root by sniffing authorization references.
Malicious Word Document Targeting macOS Delivers Meterpreter
2 rules 4 TTPs 2 IOCsA malicious Word document targeting macOS users employs macros to download and execute a Meterpreter payload, leveraging a sandbox escape vulnerability and launch agent plist for persistence.
Orbit Agent Local Privilege Escalation via Tcl Command Injection
2 rules 1 TTPThe Orbit agent is vulnerable to local privilege escalation due to Tcl command injection, where a crafted password containing '}' can inject arbitrary Tcl commands and allow an unprivileged local user to execute commands as root.
macOS Synthetic Mouse Event Vulnerabilities
3 rules 2 TTPs 1 CVEmacOS is vulnerable to synthetic mouse event attacks, allowing threat actors to bypass security mechanisms and interact with protected UI components to perform unauthorized actions like dumping keychains and loading kernel extensions.
Lazarus Group's Dacls RAT Targets macOS
3 rules 3 TTPs 1 CVE 2 IOCsThe Lazarus Group is distributing a new variant of the Dacls RAT targeting macOS systems via a trojanized application, installing a hidden executable and attempting persistence.
macOS Mojave Beta Webcam and Microphone Access Bypass
2 rules 1 TTPmacOS Mojave beta's new privacy controls can be bypassed by exploiting the entitlements of trusted applications like QuickTime Player via AppleScript to access the webcam and microphone without user consent.
AMOS Stealer macOS VM Detection
2 rules 2 TTPsThis brief describes detection of AMOS Stealer checking for virtual machine environments on macOS via osascript and system_profiler, potentially leading to information theft and further malicious activity.
Potential Credential Discovery via Recursive Grep
2 rules 2 TTPsAdversaries may use recursive grep commands on Linux or macOS to discover credentials, secrets, keys, or tokens within files, indicating potential credential access and data exfiltration attempts.
Mac Malware Analysis of 2016: KeRanger, Keydnap, and Eleanor
2 rules 1 TTPAnalysis of Mac malware from 2016 including KeRanger ransomware, Keydnap backdoor and credential stealer, and the Eleanor PHP-based backdoor, highlighting their infection vectors and persistence mechanisms.
Calendar 2 Mac App Store Application Mines Cryptocurrency
3 rules 1 TTPThe 'Calendar 2' application, available on the official Mac App Store, was found to surreptitiously mine cryptocurrency on users' Macs, utilizing the 'xmr-stak' miner to mine Monero (XMR) and report mining operations to calendar.qbix.com.
Coldroot RAT Targeting macOS
2 rules 2 TTPs 2 IOCsThe Coldroot RAT is a cross-platform backdoor targeting macOS systems, providing remote attackers persistent access through a launch daemon, masquerading as an Apple audio driver, and beaconing to a command and control server.
Mac Malware of 2019 Report
2 rules 3 TTPs 2 IOCsThe Mac Malware of 2019 report details various Mac malware specimens and variants, including CookieMiner, a cryptominer that steals user cookies and passwords, likely to give attackers access to victims' online accounts and wallets; CookieMiner persists via launch agents and exfiltrates browser cookies to a remote C2 server.
Comprehensive Analysis of Mac Malware in 2017
3 rules 6 TTPsA comprehensive analysis of Mac malware discovered in 2017, detailing infection vectors, persistence mechanisms, features, and goals, including FruitFly, MacDownloader (iKitten), and others.
Mac Malware of 2018 Retrospective
3 rules 1 TTP 4 IOCsThis brief analyzes Mac malware discovered in 2018, including OSX.Mami, a DNS hijacker distributed via browser popups, and CrossRAT, a cross-platform Java-based backdoor likely spread through phishing, highlighting infection vectors, persistence mechanisms, and capabilities.
Spike in Bytes Sent to an External Device via Airdrop
2 rules 1 TTPA machine learning job has detected a spike in bytes of data written to an external device via Airdrop, potentially indicating illicit data copying or transfer activities.
Lazarus Group's AppleJeus macOS Backdoor via JMT Trader
2 rules 2 TTPs 3 IOCsThe Lazarus APT group is distributing a macOS backdoor named AppleJeus via a fake cryptocurrency trading application called JMT Trader, persisting through a launch daemon and communicating with the C&C server beastgoc.com.
Microsoft Office for Mac Sandbox Escape via Faulty Regex
2 rules 3 TTPsA vulnerability in Microsoft Office for Mac allows malicious code to escape the application's sandbox and achieve persistence by abusing a faulty regex for temporary files.
Malware Leveraging Large Language Model Endpoints for Command and Control
3 rules 1 TTP 35 IOCsThis rule detects DNS queries to known Large Language Model (LLM) domains originating from unsigned binaries or common Windows scripting utilities, indicating potential malware command and control activity.
macOS High Sierra APFS Password Disclosure Vulnerability (CVE-2017-7149)
2 rules 1 TTP 1 CVECVE-2017-7149 is a vulnerability in macOS High Sierra (10.13) where the password for an encrypted APFS volume is stored as plain text in the password hint, potentially allowing a local attacker to gain unauthorized access.
Lazarus Group Macloader Malware Analysis and Repurposing
2 rules 2 TTPs 1 IOCThe Lazarus group's macloader malware (OSX.AppleJeus.C) uses a launch daemon for persistence and executes downloaded payloads directly from memory, communicating with a C2 server to retrieve second-stage payloads, posing a significant threat due to its fileless execution and potential for repurposing.
Generic Ransomware Detection on macOS
2 rules 1 TTPThis brief outlines a method for generically detecting ransomware on macOS by monitoring file I/O events and identifying the rapid creation of encrypted files by untrusted processes, as proposed by Objective-See.
Apple Security Framework Crash due to Uninitialized Pointer
2 rulesA crash was identified in Apple's Security framework due to an uninitialized pointer in the SecError function, leading to the dereference of an invalid memory address.
Zoom macOS Client Privilege Escalation Vulnerability
2 rules 1 TTPZoom's macOS client contains a local privilege escalation vulnerability that allows an unprivileged attacker to gain root privileges by subverting the runwithroot script, due to the insecure use of the deprecated AuthorizationExecuteWithPrivileges API.
WindShift APT Targeting Middle East with OSX.WindTail macOS Implant
2 rules 1 TTPThe WindShift APT group is targeting Middle Eastern governments with a first-stage macOS implant called OSX.WindTail, abusing custom URL schemes for initial infection and establishing persistence via login items, while decrypting embedded strings to identify file extensions of interest.
Microsoft Excel XLM Macro Remote Code Execution on macOS
3 rulesA logic flaw in Microsoft Excel allows remote code execution on macOS via malicious XLM macros in SYLK files, bypassing the 'Disable all macros without notification' setting.
macOS QuickLook Thumbnail Cache Leak
2 rules 1 TTPmacOS QuickLook caches thumbnails and file paths of files, even those stored within encrypted containers or on removable USB devices, potentially revealing sensitive data to attackers with access to the running system.
macOS Mojave System Lockup via vmmap Utility Targeting PID 1
2 rulesA bug in macOS Mojave causes a system lockup when the vmmap utility is executed against process ID 1 (launchd), due to a deadlock triggered by XPC calls during symbolication.
macOS Local Privilege Escalation via Dylib Hijacking in App Store Applications
3 rules 2 TTPsA local privilege escalation vulnerability in macOS allows attackers to gain root privileges by hijacking dylibs in applications installed from the Mac App Store.
macOS Kernel-to-Userland Process Creation Notification via undocumented kev_msg_post
2 rulesThe kev_msg_post function can be abused by malware to broadcast process creation notifications from a kernel extension (kext) to a user-mode application, potentially bypassing security tools that rely on standard APIs and leading to undetected malicious activity.
Detecting Persistence via Parsing macOS Login Item Files
2 rules 1 TTPThis brief details a method for parsing macOS login item files to detect persistence mechanisms employed by malware or threat actors.
MacOS Firewall Configuration Enumeration
2 rules 1 TTPAdversaries may enumerate MacOS firewall configurations to identify potential attack surfaces and determine active rules by executing commands like `defaults read /Library/Preferences/com.apple.alf` and `/usr/libexec/ApplicationFirewall/socketfilterfw --getglobalstate`.
macOS File Monitoring via Endpoint Security Framework
2 rules 1 TTPObjective-See details how to create a file monitor for macOS 10.15 using Apple's Endpoint Security Framework to capture file I/O events and process information.
Signal 'Disappearing' Messages Persist in macOS Notification Center
2 rulesmacOS stores Signal message notifications in an unencrypted SQLite database, potentially exposing 'disappearing' messages even after they are deleted from the Signal application.
macOS DNS Request for IP Lookup Service via Unsigned Binary
2 rules 1 TTP 42 IOCsAn unsigned or untrusted binary on macOS is performing DNS requests for IP lookup services to determine the system's external IP address, which is commonly used by malware for reconnaissance before establishing C2 connections.
Mac File Opener Adware Persists via Document Handler Registration
2 rules 1 TTPThe 'Mac File Opener' adware achieves persistence by registering itself as a document handler for numerous file types, leveraging the Launch Services Daemon (lsd) to automatically parse the application's Info.plist and register the handlers.
Lazarus Group's macOS 'Fileless' Implant
3 rules 3 TTPs 3 IOCsThe Lazarus APT group is distributing a trojanized macOS application named UnionCryptoTrader.dmg that installs a launch daemon for persistence, downloads and executes secondary payloads in-memory, and communicates with the command and control server unioncrypto.vip.
Leveraging Apple's Endpoint Security Framework for Process Monitoring
2 rules 2 TTPsThis brief discusses the use of Apple's Endpoint Security Framework in macOS 10.15 and later for user-mode process monitoring, offering improved capabilities over the older OpenBSM subsystem.
OSX/MaMi DNS Hijacking Malware
2 rules 4 TTPs 6 IOCsOSX/MaMi is a macOS malware that hijacks DNS settings and installs a malicious certificate into the system keychain to intercept network traffic, while also possessing capabilities for taking screenshots, simulating mouse events, persisting as a launch item, downloading and uploading files, and executing commands.
HackingTeam RCS Implant Installer Analysis
2 rules 1 TTP 3 IOCsAn implant installer for HackingTeam's RCS implant uses Apple's native OS X encryption scheme and a custom packer to deliver a persistent implant, indicating a potential resurgence of the group and an evolution in their techniques for macOS malware.