Ibrahim Saud
@tektrixIndiaCompletionist
2 followers18,457 downloads7,051 copies47 likes38,376 views
11,679 detections
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Identifies bash scripts leveraging 'chmod +x' inside '/tmp' or '/Users/Shared' to make a downloaded Mach-O payload executable. This activity is associated with the Sapphire Sleet threat group.
Detects commands exporting all environment variables (env, set, printenv) to a file, often used to steal CI/CD secrets on developer workstations. The rule specifically looks for these commands being executed by common scripting/execution environments like node.exe, python.exe, bash, or cmd.exe.
Detects scripts launched from developer directories (e.g., GitHub, GitLab, Bitbucket, or directories containing 'interview' in their path) that attempt to exfiltrate data by making network connections to Discord or Telegram API webhooks. This rule specifically looks for network events where the remote URL matches Discord or Telegram webhook patterns, and correlates them with process events where the initiating process's folder path suggests a developer-related or interview-related context.
This rule detects the creation of suspicious NTFS Alternate Data Streams (ADS) commonly associated with malicious activities. Specifically, it monitors for the use of the ':WDFOO' stream name within temporary directories, which is a known indicator of certain malware or post-exploitation staging behaviors. Additionally, it identifies attempts by 'wermgr.exe' (Windows Error Reporting Manager) to interact with temporary files in these paths, which may suggest masquerading or living-off-the-land techniques.
Detects instances of wermgr.exe (Windows Error Reporting) interacting with Volume Shadow Copies or using specific Alternate Data Streams (WDFOO). This behavior is often associated with credential dumping tools (e.g., Mimikatz, SharpShadow) attempting to access sensitive files from shadow copies under the context of a non-system user, potentially indicating evasion techniques or credential harvesting.
Detects an unprivileged process executing from a user-specific temporary directory with the 'RP_' prefix, while simultaneously interacting with specific file patterns in 'C:\Windows\Temp'. This behavior is consistent with the 'RoguePlanet' Time-of-Check to Time-of-Use (TOCTOU) exploit, which uses junction-swap techniques to manipulate Defender quarantine workflow files to achieve privilege escalation.
This rule detects indicators of the 'RoguePlanet' exploit, which leverages ISO image mounting to stage malicious files. It monitors for the execution of Windows Error Reporting (wermgr.exe) from virtual CD-ROM devices, unauthorized use of PowerShell to mount DiskImages or VHDs, and the creation of specific filesystem paths (RP_<UUID> directories) commonly associated with RoguePlanet exploit activity.
This rule detects the execution of 'wermgr.exe' from a path other than the expected 'C:\Windows\System32'. This behavior is indicative of the 'RoguePlanet' exploit, where an adversary replaces a Windows Defender quarantine artifact with a malicious payload and triggers it via the 'QueueReporting' scheduled task, running with NT AUTHORITY\SYSTEM privileges.
This rule detects when processes other than legitimate browser-related binaries access Google Chrome's 'Login Data' or 'Local State' files. These files contain sensitive browser data, including stored credentials, and unauthorized access is a common indicator of credential theft or dumping attempts by malicious software.
This rule detects the creation or execution of files named 'winupdate.exe' and specific patterns of Python script execution within user-writable 'AppData' subdirectories, specifically targeting the '.cache' folder. This behavior is indicative of potential malware staging or execution, often associated with obfuscated payloads or unauthorized software running in non-standard user locations.
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