Sigma Watch is free and independent. If it saves you time, keep it running. ☕ Buy me a coffee
SigmaWatch
ATT&CK technique

T1566.002

Spearphishing Link

Initial Access 50 detections found
View on MITRE ATT&CK →

Detection rules

Source Rule Status Updated
elastic Potential FileFix Command via Windows Explorer Address Bar production 2026-10-05
elastic Entra ID End-User Consent to Application with High-Risk Delegated Scopes production 2026-10-02
elastic Potential Execution via FileFix Phishing Attack production 2026-09-28
elastic Google Workspace Object Copied from External Drive with App Consent production 2026-09-24
splunk Windows Defender ASR Rules Stacking production 2026-09-22
splunk Windows Defender ASR Block Events production 2026-09-22
splunk Windows Defender ASR Audit Events production 2026-09-22
elastic Okta FastPass Phishing Detection production 2026-09-18
elastic M365 Identity OAuth Phishing via First-Party Microsoft Application production 2026-09-18
elastic Unusual Network Destination Domain Name production 2026-09-18
elastic Network Traffic to Rare Destination Country production 2026-09-18
elastic Downloaded Shortcut Files production 2026-09-18
elastic Downloaded URL Files production 2026-09-18
elastic Unusual Execution via Microsoft Common Console File production 2026-09-18
elastic Execution of File Written or Modified by Microsoft Office production 2026-09-18
elastic Suspicious HTML File Creation production 2026-09-18
elastic Potential Remote File Execution via MSIEXEC production 2026-09-18
elastic Potential CVE-2025-33053 Exploitation production 2026-09-18
elastic Suspicious Explorer Child Process production 2026-09-18
elastic Remote XSL Script Execution via COM production 2026-09-18
elastic Entra ID OAuth Device Code Flow with Concurrent Sign-ins production 2026-09-18
elastic Entra ID Concurrent Sign-in with Suspicious Properties production 2026-09-18
elastic Entra ID OAuth Device Code Grant by Microsoft Authentication Broker production 2026-09-18
elastic Entra ID OAuth Device Code Grant by Unusual User production 2026-09-18
elastic Entra ID Illicit Consent Grant via Registered Application production 2026-09-18
elastic Entra ID Kali365 Default User-Agent Detected production 2026-09-18
elastic Entra ID Microsoft Authentication Broker Sign-In with Non-Standard User Agent production 2026-09-18
elastic Entra ID OAuth Authorization Code Grant for Unusual User, App, and Resource production 2026-09-18
elastic Entra ID OAuth Device Code Phishing via AiTM production 2026-09-18
elastic Entra ID OAuth Phishing via First-Party Microsoft Application production 2026-09-18
elastic Entra ID OAuth Flow by Microsoft Authentication Broker to Device Registration Service (DRS) production 2026-09-18
elastic Entra ID Microsoft Authentication Broker DRS Sign-In from Suspicious ASN production 2026-09-18
elastic Google Workspace Device Registration After OAuth from Suspicious ASN production 2026-09-18
elastic M365 Identity OAuth Flow by User Sign-in to Device Registration production 2026-09-18
elastic M365 Identity OAuth Flow by First-Party Microsoft App from Multiple IPs production 2026-09-18
elastic M365 Identity OAuth Illicit Consent Grant by Rare Client and User production 2026-09-18
elastic M365 Identity Device Code Grant with Unusual User and ASN production 2026-09-18
elastic M365 Identity Device Code Grant by an Unusual User (Non-Compliant Device) production 2026-09-18
elastic Deprecated - M365 Security Compliance Email Reported by User as Malware or Phish deprecated 2026-08-13
splunk O365 Threat Intelligence Suspicious Email Delivered production 2026-05-13
splunk O365 ZAP Activity Detection production 2026-05-13
splunk Process Creating LNK file in Suspicious Location production 2026-05-13
splunk O365 Email Reported By Admin Found Malicious production 2026-05-13
splunk Azure AD Device Code Authentication production 2026-05-13
splunk O365 Email Reported By User Found Malicious production 2026-05-13
sigma EvilTokens PhaaS Kit Phishing Related Request - Proxy experimental 2026-04-28
elastic Deprecated - Execution of File Written or Modified by PDF Reader deprecated 2026-02-04
sigma Suspicious Email Delivered In Microsoft 365 experimental 2026-01-27
sigma Potential Malicious Usage of CloudTrail System Manager test 2025-12-08
sigma Suspicious Execution via macOS Script Editor test 2022-12-28