Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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This rule detects network connections initiated by unsigned executables that were recently created (within one hour) in common staging directories such as AppData, Temp, or ProgramData. It specifically targets beacons to the Telegram Bot API or Discord webhooks, which are common patterns for command-and-control (C2) communication used by malware such as the Amadey bot.
Detects mass device management actions (e.g., remote wipe, retire, or delete) performed via the Microsoft Intune console by a user who has simultaneously exhibited risky sign-in behavior, potentially indicating a compromised administrative account.
Detects potential lateral movement by identifying NTLM authentication (Logon Type 3) to administrative network shares (ADMIN$, C$, IPC$) or high-frequency access to multiple hosts by the same user, which may indicate credential abuse or lateral movement attempts.
This rule detects potential anti-forensic activity on Citrix ADC/NetScaler devices by monitoring for two primary indicators of log tampering: an unexpected drop in syslog volume to zero following a period of activity, or the execution of explicit commands intended to clear audit logs and configuration files.
Detects anomalous NetScaler session activity potentially indicative of session hijacking or token forgery. This includes identifying session tokens reused across different source IP addresses or user-agents within a short timeframe, as well as detecting session tokens utilized in traffic without a preceding recorded authentication or logon event.
This rule identifies suspicious post-exploitation activity where an anomalous or unauthenticated NetScaler VPN session (potentially exploiting CVE-2026-88771 or CVE-2026-88772) is followed by the creation or modification of SSH authorized_keys files or related credential manipulation commands on internal hosts, suggesting an attacker establishing persistence.
Detects the execution of known Windows 'Living-off-the-Land' binaries (rundll32.exe, regsvr32.exe, mshta.exe) when they originate from web browsers or office productivity applications, or when they are executed with command-line arguments indicative of network resource loading, remote scripting, or code execution bypasses.
Detects the use of common PowerShell techniques designed to bypass the Antimalware Scan Interface (AMSI). These techniques involve manipulating internal PowerShell objects like AmsiUtils or amsiInitFailed, or using reflection to locate and modify AMSI memory structures to disable scanning.
Detects instances where an alert marked as process injection (T1055) involves an action process that is unsigned and differs from the actor process image, suggesting potential execution of an unauthorized or malicious payload masked by process injection techniques.
Detects the abuse of Windows Management Instrumentation (WMI) to execute processes via wmic.exe or WmiPrvSE.exe, often combined with obfuscated command-line arguments such as encoded PowerShell or CMD commands.
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