Ibrahim Saud
@tektrixIndiaCompletionist
2 followers18,458 downloads7,120 copies47 likes38,569 views
11,679 detections
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Detects the use of native Windows utilities (vssadmin, wbadmin, bcdedit, wmic) to delete volume shadow copies, backup catalogs, or disable system recovery features. This behavior is a common precursor to or component of ransomware encryption operations intended to prevent system recovery.
Detects potential SQL injection attempts by monitoring for 'INSERT INTO' SQL commands executed via command-line arguments. The rule specifically looks for operations targeting user or role tables and including administrative keywords, originating from database or application-related processes like mysql or java.
Detects the execution of common command-line or scripting interpreters (cmd, powershell, cscript, etc.) spawned by the ScreenConnect remote administration client. This is a common pattern used by attackers leveraging legitimate remote access tools for post-exploitation activities and lateral movement.
Detects login attempts to source code repositories and developer tooling (GitHub, GitLab, Bitbucket, Azure DevOps, Slack, Visual Studio Code) originating from unmanaged or non-compliant devices, excluding traffic originating from known corporate network ranges.
Detects network traffic directed to the Telegram Bot API (api.telegram.org) characterized by TLS SNI indicators or specific HTTP URI structures (e.g., /bot). This behavior is indicative of malware or automated tools using the Telegram platform as a command-and-control (C2) channel for beaconing, command delivery, or data exfiltration.
Detects TLS connections to known CHOSEN BRICK cloud object-storage exfiltration endpoints (VultrObjects, StorjShare, Backblaze B2) and repeated Telegram Bot API document-upload calls consistent with data exfiltration. An earlier revision attempted to chain a Telegram-session flowbit to a later cloud-storage upload, but Suricata flowbits are scoped to a single flow and cannot correlate across the two separate connections involved here, so that cross-flow pair was removed as not functionally valid; each remaining rule fires independently on direct traffic to a known exfil channel.
Detects unauthorized attempts to modify WordPress user tables (wp_usermeta) by web server processes to escalate privileges, specifically targeting the 'wp_capabilities' or 'administrator' flags. This activity is indicative of an exploit or post-exploitation behavior following a web-based attack.
This rule detects potential web shell activity within the 'Admin Menu Editor Pro' WordPress plugin. It searches for PHP files containing a combination of sensitive execution functions (e.g., eval, base64_decode, system) which are characteristic of the malicious code injected into versions 2.35/2.36 of the plugin during its supply chain compromise.
Detects processes associated with Acronis backup software executed by a user other than 'root', while the effective user context of the process is 'root'. This behavior often indicates an attempt to exploit setuid binaries or misconfigured permissions to execute commands with elevated privileges.
Detects high-volume, sustained or burst-like access, download, or deletion activity by a single user across SharePoint, OneDrive, or Exchange services. This behavior is indicative of potential data staging, exfiltration, or bulk malicious activity by a compromised account or insider.
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