Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
771 detections
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Detects Microsoft Entra OAuth 2.0 device authorization grant flow completion immediately followed by non-interactive API access from automated user agents like python-requests. This behavior is indicative of device code phishing kits, where an attacker tricks a user into entering a code and then programmatically hijacks the resulting session token.
Detects sign-in events using the OAuth 2.0 device code flow, which is a mechanism often abused in phishing campaigns (such as GhostCode) to lure users into authorizing malicious applications or granting access tokens without needing their actual credentials.
Detects suspicious non-interactive Entra ID sign-in events using the 'python-requests' User-Agent against sensitive Microsoft resources such as Microsoft Graph, Device Registration, or Intune. This activity is indicative of automated token abuse, particularly in the context of device-code phishing kits (e.g., GhostCode), where an attacker uses stolen session information to interact with Microsoft APIs.
Detects a suspected EvilTokens attack sequence where a user clicks a phishing URL and subsequently initiates a browser session to the Microsoft device-code authorization page (devicelogin) within 15 minutes, with the phishing lure domain appearing in the browser context.
Detects a suspected EvilTokens attack sequence where a user clicks a phishing URL and subsequently initiates a browser session to the Microsoft device-code authorization page (devicelogin) within 15 minutes, with the phishing lure domain appearing in the browser context.
Detects a suspected EvilTokens attack sequence where a user clicks a phishing URL and subsequently initiates a browser session to the Microsoft device-code authorization page (devicelogin) within 15 minutes, with the phishing lure domain appearing in the browser context.
Detects potential device code phishing patterns where a successful OAuth device-code authentication is rapidly followed by Microsoft Graph resource access from the same account. The rule identifies suspicious polling sessions (e.g., EvilTokens) by monitoring for successful device-code sign-ins and immediate, subsequent Graph API activity. It filters known first-party applications and incorporates risk-based triggers and reconnaissance behavioral patterns to minimize false positives.
Detects anomalous network polling patterns consistent with 'EvilTokens' or similar adversary-in-the-middle (AiTM) OAuth phishing kits. The rule identifies web browsers performing high-frequency, low-interval polling (3-6s) against non-reputable/unseen domains (the attacker-controlled status endpoint) immediately preceding or following successful Microsoft OAuth device-code authentication sequences.
Detects anomalous network polling patterns consistent with 'EvilTokens' or similar adversary-in-the-middle (AiTM) OAuth phishing kits. The rule identifies web browsers performing high-frequency, low-interval polling (3-6s) against non-reputable/unseen domains (the attacker-controlled status endpoint) immediately preceding or following successful Microsoft OAuth device-code authentication sequences.
Detects automated post-compromise mailbox reconnaissance following an anomalous OAuth device code sign-in that exhibits high-risk indicators. The rule identifies programmatic access to a high volume of mail items within a short window following suspicious token issuance, which is characteristic of automated scanning or data exfiltration tooling.
Detects sign-in activity using the OAuth 2.0 device code flow, followed by subsequent authentication attempts from the same account originating from anomalous, previously unseen geographic locations or using unfamiliar applications. This pattern is indicative of a device code phishing attack where an adversary lures a user into authorizing a malicious device or application and subsequently hijacks the resulting session to access resources from a different location.
Flags anomalous volume of Entra ID sign-ins using the device-code authorization grant, matching the Kali365 phishing-as-a-service technique (sold on Telegram, ~$250/month per FBI PSA) that captures Microsoft 365 OAuth tokens through the legitimate device-code flow.
Detects a potential OAuth device code phishing abuse pattern where an authenticated device code sign-in is immediately followed by a new device registration or Primary Refresh Token (PRT) issuance for the same user, potentially originating from a different device or IP address.
Detects instances where a non-administrative user grants an OAuth application consent to access high-privilege Microsoft Graph scopes, such as 'Mail.Read', 'Directory.ReadWrite.All', or 'offline_access'. This pattern is frequently used in consent phishing attacks to maintain persistent access to sensitive cloud resources.
This rule detects illicit OAuth consent grant events where an application is granted high-risk delegated permissions. This behavior is indicative of consent phishing or 'ConsentFix' tradecraft, where attackers trick users into granting permissions to a malicious application, thereby enabling unauthorized access to mail and file data.
This rule detects illicit OAuth consent grant events where an application is granted high-risk delegated permissions. This behavior is indicative of consent phishing or 'ConsentFix' tradecraft, where attackers trick users into granting permissions to a malicious application, thereby enabling unauthorized access to mail and file data.
Detects AI coding assistants and LLM agent frameworks attempting to access, read, or export sensitive credential files, registry hives, or application secrets. The rule monitors both file system operations on known secret locations and process execution patterns indicative of credential dumping or API token retrieval by these tools.
Detects AI coding assistants and LLM agent frameworks attempting to access, read, or export sensitive credential files, registry hives, or application secrets. The rule monitors both file system operations on known secret locations and process execution patterns indicative of credential dumping or API token retrieval by these tools.
Detects sign-in events in Entra ID where the OAuth 2.0 device authorization grant (device code) flow is utilized. This flow is a common vector for phishing attacks designed to steal tokens by tricking users into authenticating on a secondary device, potentially bypassing MFA.
Detects recovered scripts/payloads that harvest environment variables, API keys, bearer tokens, and Kubernetes secrets/configmaps into a variable named LOOT
Detects newly consented OAuth applications that immediately perform mass access or exfiltration of mail and file data across multiple mailboxes or drives within a short period, potentially indicating an attacker utilizing a malicious OAuth application.
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