Daniel Jeremiah
@daniyyellUnited KingdomTrusted contributorCompletionist
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978 detections
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This rule detects the forced removal of legitimate cryptocurrency wallet applications (Ledger Wallet, Trezor Suite, Exodus) followed by the extraction of new applications into the /Applications directory on macOS. It also looks for chmod commands to make the new applications executable and attempts to download suspicious zip files from 'wusetail.com'. This activity is indicative of the AMOS malware campaign, which aims to replace legitimate wallet applications with trojanized versions to steal cryptocurrency.
This rule detects a multi-stage exfiltration technique observed on macOS systems, specifically targeting the AMOS malware. It correlates process execution events related to archiving (using 'ditto'), splitting files (using 'split'), and network connections involving 'curl' with specific headers or to known malicious infrastructure. The rule looks for a combination of these activities, indicating data staging and subsequent exfiltration in chunks.
This rule detects potential persistence mechanisms used by the AMOS malware on macOS systems. Specifically, it looks for the creation or execution of a launch daemon named 'com.finder.helper' in conjunction with other suspicious activities such as the execution of '.agent' or '.mainhelper' files, or commands used for user context pivoting . The rule also includes checks for VM detection attempts using 'system_profiler'. This combination of activities indicates a high likelihood of AMOS malware establishing persistence and attempting to escalate privileges or gather system information.
Detects DeepLoad-related behavioral chains including ClickFix PowerShell execution, mshta retrieval, scheduled task persistence, Add-Type or APC style injection, LockAppHost or related target process launches, WMI based re-execution, filemanager.exe execution, USB spread indicators, and known DeepLoad infrastructure communication.
Detects the CTRL persistence pattern by correlating suspicious registry value modifications (using disguised names like 'ShellStateVersion1', 'IconSizeVersion1', 'IconUnderlineVersion1') with the creation of scheduled tasks via PowerShell or schtasks.exe. The scheduled tasks often involve hidden or encoded commands and are set to launch at startup or with specific system privileges.
This rule detects various stages of DeepLoad malware activity, including initial delivery via PowerShell execution policy bypass with IEX/IRM style ClickFix, network retrieval using mshta.exe, persistence mechanisms like scheduled task creation and WMI, fileless injection through PowerShell Add-Type compilation and suspicious child processes (LockAppHost.exe, makecab.exe, Magnify.exe), credential stealing via filemanager.exe, and USB propagation indicators including specific C2 paths and LNK themed installer names. It also identifies known DeepLoad infrastructure domains.
This rule detects the multi-stage installation and command-and-control (C2) activities associated with GhostClaw or GhostLoader malware on macOS systems. It correlates suspicious process executions, such as curl-based bootstrap, install.sh execution, user-space Node.js setup, and outbound network traffic to 'trackpipe.dev' with UUID-like pathing or specific NODE_CHANNEL values. The rule looks for a combination of at least three of these indicators within a two-hour window to reduce false positives.
This rule detects various indicators of compromise associated with the GlassWorm malware. It monitors for network connections to known GlassWorm remote IPs and domains, process activity involving specific GlassWorm filenames, folder paths, command line arguments (including wallet addresses and command terms), and registry modifications for persistence (Run/RunOnce keys with GlassWorm-related values). The rule correlates multiple evidence types to reduce false positives.
Detects the initial CTRL execution chain where a malicious LNK launches hidden PowerShell, writes ms-settings UAC bypass registry keys including DelegateExecute, then starts fodhelper.exe. This rule correlates process events for PowerShell executing with a hidden window style and obfuscated commands, registry modifications to the ms-settings UAC bypass key, and the subsequent execution of fodhelper.exe.
This rule detects outbound network connections to the domain 'trackpipe.dev', which is associated with the GhostClaw/GhostLoader macOS malware. It specifically looks for UUID-like identifiers in the URL path, indicating per-repository communication patterns used by the malware.
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