Ibrahim Saud
@tektrixIndiaCompletionist
2 followers18,457 downloads7,055 copies47 likes38,405 views
11,679 detections
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Detects the execution of known remote access and support tools (Quick Assist, Microsoft Remote Assistance, or AnyDesk) on a host that has recently received a high volume of emails (over 50). This behavior often aligns with social engineering campaigns where a user is instructed to download or launch a remote support tool under false pretenses.
Detects the execution of attrib.exe spawned by known Sauron Loader process names (rnpkeys.exe, rnp.exe, or tdwp.exe). The rule flags instances where attrib.exe is executed without its typical command-line arguments (file attribute flags), suggesting it is being used as a surrogate process for injected C2-tasked shellcode.
Detects instances where a browser or agentic-browser process initiates a file download and subsequently executes that same file within a five-minute window, without the intervention of a user-driven process like explorer.exe. This pattern is indicative of automated 'agentic' browser activity, potentially signifying hijacked web instructions or malicious automated tool execution flows.
Detects anomalous access to SharePoint or OneDrive by identities identified as bots, agents, or service principals. The rule specifically monitors for multiple file accesses where the file names suggest the presence of secrets, passwords, or API keys, which may indicate a compromised or malicious AI agent attempting to harvest credentials.
Detects anomalous child processes spawned by a Langflow server process that subsequently search for sensitive information, such as cloud credentials or database connection strings, within the command line arguments. This behavioral pattern is indicative of remote code execution exploitation followed by credential harvesting, potentially targeting vulnerabilities like CVE-2026-33017.
Detects anomalous GitHub audit log activity indicative of a potential supply-chain compromise. The rule identifies workflows or automated entities (Bot/App) that access sensitive Action secrets followed by the publishing of packages to public registries like PyPI or npm. This activity can represent the precursor steps of token-theft-driven malicious package injection.
This rule detects unauthorized or unauthenticated attempts to call the NetrServerPasswordSet2 method on a Domain Controller via the MS-NRPC (Netlogon) interface, which is indicative of an exploitation attempt related to CVE-2020-1472 (Zerologon). This vulnerability allows an attacker to bypass authentication and reset a Domain Controller's computer account password, leading to full domain compromise.
Detects the execution of PowerShell or PowerShell Core (pwsh) triggered by common Windows shell applications (explorer, mshta, wscript, cscript) where the command line contains indicators associated with the downloading of VelvetCake stager files, including specific GitHub raw content URLs or AppData paths referencing known stager filenames.
Detects the VelvetCake malware installation and operational pattern, which utilizes a scheduled task named 'OneDriveUpdateScheduler' to execute PowerShell scripts ('update1.ps1' or 'update2.ps1'). These scripts periodically retrieve modules or payloads from external infrastructure, specifically hardcoded C2 IPs or a dedicated GitHub repository.
Detects a suspicious pattern where a user authenticates via device code and, within a short timeframe (two hours), registers a new device to their account. This behavior is indicative of the 'ARToken' persistence pattern, where an adversary uses a stolen session to bind a rogue device to the victim's account, potentially to mint a Primary Refresh Token (PRT) for persistent access.
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