Ibrahim Saud
@tektrixIndiaCompletionist
2 followers18,458 downloads7,120 copies47 likes38,603 views
11,679 detections
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Detects potential 'ClickFix' social engineering attacks where users are lured into manually executing malicious PowerShell or CMD commands via the Windows Run dialog following a browser crash, or using finger.exe as a LOLBIN to download payloads.
Detects a multi-stage attack chain where a system downloads a Python embeddable package via curl, renames the 'pythonw.exe' executable to an arbitrary name, and subsequently executes this renamed binary or a file containing 'config.cat', which is often indicative of automated malware deployment or persistence mechanisms.
This rule detects potential malvertising or drive-by download activity by identifying when common web browsers spawn script-interpreting processes (such as powershell.exe, cmd.exe, or mshta.exe) that execute suspicious commands indicative of obfuscation or payload delivery (e.g., IEX, EncodedCommand). It further correlates this activity with outbound network connections initiated by the child process within a 30-second window, which is characteristic of the second stage of a malware delivery chain.
Detects a suspicious sequence of events attributed to APT37, where a HWP or HWPX decoy file is written to user-accessible staging directories (Downloads, Temp, Desktop, Public) followed by the execution of a .lnk file using cmd.exe or explorer.exe within 30 seconds on the same device.
Detects the use of the AWS CLI to extract Secrets Manager values and potentially STS tokens, writing them to local text files in the /tmp directory. This activity is indicative of an attacker attempting to exfiltrate credentials or sensitive information.
This rule detects potential data exfiltration activity where PowerShell is used to compress files followed by an outbound network connection to a known C2 IP address and port. It also monitors for direct outbound connections from PowerShell involving suspicious keywords indicative of data staging and exfiltration such as 'Compress-Archive', 'client.zip', and 'UPLOAD'.
Detects the Amadey loader malware attempting to establish persistence via Windows Scheduled Tasks. The rule monitors for the execution of schtasks.exe with parameters creating a task that points to suspicious user-writable directories (Temp, AppData) or known Amadey-related artifacts such as the 'e079729711' staging path or 'nudwee.exe' binary.
Detects potential clipboard harvesting behavior indicative of information stealers like StealC. The rule monitors for processes executing from suspicious, user-writable directories (e.g., AppData, Temp) that perform clipboard access operations while lacking typical interactive process characteristics.
Detects ClickFix social engineering attacks where a web browser process spawns a scripting interpreter (powershell.exe, mshta.exe, or wscript.exe) or where a command shell executes PowerShell with encoded arguments, typically indicating a user has been tricked into executing malicious code.
Detects MYRA RAT delivery via malicious npm package lifecycle scripts (e.g., postinstall) that trigger the compilation of native binaries such as libcache.so, memfd_loader, and others on Linux hosts.
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