Ibrahim Saud
@tektrixIndiaCompletionist
2 followers18,458 downloads7,116 copies47 likes38,538 views
11,679 detections
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This rule monitors for successful sign-in events that follow a threshold of failed authentication attempts within a one-hour window, specifically flagging cases where the successful login originated from a new location or a previously unseen device, which is often indicative of successful brute force or password spraying attacks.
Detects endpoint behavior consistent with AI-assisted exploit development, characterized by the execution of reverse engineering and vulnerability research tools (e.g., IDA Pro, Ghidra, AFL) interleaved with frequent outbound network connections to LLM APIs, followed by the local compilation of a new executable or DLL.
Detects anomalous process activity that reads sensitive developer secrets (such as Anthropic, OpenAI, Gemini, or Hugging Face API keys) from common configuration or environment files, followed by an outbound network connection to a non-private IP address. This behavior is consistent with credential harvesting and exfiltration tactics used in supply chain attacks to hijack AI services.
Detects anomalous, high-volume file access by a single process, followed by local file compression or archiving, and subsequent outbound data transfer to a non-internal IP address. This pattern is characteristic of automated agents (like those used in the GTG-1002/Anthropic AI-orchestrated campaigns) performing rapid data triage and staging for exfiltration.
Detects a suspicious sequence of events where a user's registered phone number or recovery contact method is updated, followed shortly by an MFA factor reset or new factor enrollment. This pattern is a common indicator of a SIM-swap attack, where an attacker intercepts SMS-based MFA codes after hijacking the victim's phone number.
Detects multiple MFA push notifications generated within a short timeframe for a single user during a Self-Service Password Reset (SSPR) flow. This behavior is indicative of an attacker attempting to perform MFA fatigue/push harassment to gain unauthorized access via SSPR or to bypass account security controls.
Detects multiple MFA push notifications generated within a short timeframe for a single user during a Self-Service Password Reset (SSPR) flow. This behavior is indicative of an attacker attempting to perform MFA fatigue/push harassment to gain unauthorized access via SSPR or to bypass account security controls.
Detects the execution of common remote monitoring and management (RMM) software on a host shortly after the associated user account underwent a password or MFA reset, a pattern indicative of help-desk impersonation (vishing) followed by unauthorized remote access setup.
Detects a suspicious sequence of administrative actions where a user's phishing-resistant multi-factor authentication (MFA) factor, such as FIDO2, passkeys, or certificates, is removed and immediately replaced by a weaker authentication method like SMS, voice call, or TOTP. This behavior, when performed by an administrator account on a different user account, is a common indicator of an MFA bypass attempt often associated with social engineering or insider threat scenarios.
Detects high-privilege OAuth application consent grants occurring shortly after a user identity recovery event (e.g., password or MFA reset). This pattern is indicative of a help-desk social engineering attack where an adversary uses an identity reset to gain access to an account and subsequently establishes persistent access via a malicious OAuth application.
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