Ibrahim Saud
@tektrixIndiaCompletionist
2 followers18,458 downloads7,120 copies47 likes38,585 views
11,679 detections
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Detects the creation or modification of Windows Registry Run keys with values associated with known potentially unwanted programs, malware, or suspicious persistence attempts, excluding known legitimate installer processes.
This rule detects potentially malicious activity where 'npm' or 'node' processes spawn sensitive child processes (e.g., cmd.exe, powershell.exe, python.exe, curl.exe) in contexts associated with package installation (e.g., node_modules, postinstall scripts) or known indicators of compromise related to supply chain attacks and credential theft.
Detects network connections to Zoho WorkDrive or Zoho Accounts from non-standard or suspicious processes. The rule identifies potential unauthorized data exfiltration or cloud access by flagging processes running from temporary or user-writable directories (e.g., AppData, ProgramData), processes known to be associated with specific threats, or processes exhibiting signs of binary sideloading based on their parent process ancestry.
Detects suspicious modifications to Group Policy Objects (GPOs) using PowerShell cmdlets, including references to sensitive paths like SYSVOL/NETLOGON or suspicious script files, as well as the execution of 'gpupdate /force' from non-standard shell processes. These behaviors are often indicative of GPO abuse for persistence, lateral movement, or defense evasion.
Detects potential ransomware activity characterized by a high volume of file modifications (create, write, rename) involving common document/data extensions, combined with the execution of commands designed to inhibit system recovery (shadow copy deletion, BCD modifications) or perform network share enumeration within the same timeframe and on the same host.
Detects browser network events matching Tycoon2FA WebSocket interactions used to silently stream stolen session cookies back to the AiTM proxy backend. The rule specifically looks for WebSocket connections (wss:// or ws://) with a path containing '/socket.io/?EIO=' initiated by 'chrome.exe' or 'msedge.exe'.
This rule detects potential Bluekit PhaaS C2 infrastructure by identifying fast-flux DNS behavior. It monitors DNS queries for domains associated with Bluekit phishing campaigns and flags instances where a single hostname resolves to a high number of distinct IP addresses (3 or more) within a one-hour window, which is indicative of domain rotation for evasion.
Detects CldFlt.sys driver load activity coinciding with SyncRootManager registry modifications by non-standard processes, indicating potential RedSun exploitation of CVE-2026-41091 via the Cloud Files filter driver path. This correlation suggests an attempt to establish persistence or escalate privileges by manipulating system components related to cloud file synchronization.
This rule detects potentially malicious data exfiltration activity. It identifies sequences of events where a process performs file enumeration (directory listing), followed by the creation of a ZIP or RAR archive in temporary or local application data directories with randomized filenames. Finally, it correlates this behavior with subsequent outbound network connections from the same process to known cloud storage and file-sharing providers, flagging anomalous archive creation rates.
Detects potential exploitation of CVE-2025-0309, where the Intune Company Portal application identifier is used to acquire Microsoft Graph tokens via a password grant mechanism while bypassing Multi-Factor Authentication (MFA). This technique typically relies on exploiting misconfigured Conditional Access policies that exclude the Intune resource from mandatory MFA enforcement.
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