Ibrahim Saud
@tektrixIndiaCompletionist
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11,679 detections
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Detects anomalous non-interactive OAuth token requests against Microsoft Graph that claim multi-factor authentication (MFA) satisfaction from unmanaged devices. This behavior is indicative of Adversary-in-the-Middle (AiTM) token replay attacks, where captured session tokens are reused by an attacker to bypass authentication controls, consistent with tactics used by threat actors like Storm-2755 (Payroll Pirate).
This rule detects activities indicative of the RoguePlanet exploit, which utilizes NTFS junction swapping to stage malicious operations. It monitors for the creation of suspicious system-like directories within temporary paths, writing of executables (like wermgr.exe) to those paths, unprivileged manipulation of the Windows Defender Quarantine directory, and virtual disk image mounting from user-writable directories.
Detects indicators of activity associated with 'RoguePlanet', including specific command-line strings, named pipes, process spawning behaviors related to Microsoft Defender (MsMpEng.exe), and suspicious staging patterns involving 'wermgr.exe' in temporary directories.
Detects various methods of disabling or tampering with Windows Defender protections, including modifying preferences via PowerShell (Set-MpPreference), stopping the WinDefend service via sc.exe, terminating the antivirus process via taskkill, or modifying Registry keys associated with Defender policies.
Detects high-risk administrative or user actions within Microsoft 365 environments that are frequently associated with adversary persistence, data exfiltration, and privilege escalation. The rule monitors for the creation or modification of inbox forwarding rules, addition of mailbox permissions, OAuth application consent grants, bulk mailbox searches, and programmatic access to mail items via EWS or Graph API.
Detects the execution of Microsoft Quick Assist (or related Remote Desktop clients) shortly after activity from Microsoft Teams. This pattern is consistent with social engineering tactics where an attacker impersonates IT personnel over a Teams call to persuade a victim to provide remote access to their workstation.
Detects attempts to perform container escapes or escalate privileges within a Gitea Actions runner environment. The rule monitors for the execution of dangerous container options (e.g., --pid=host, --privileged, --cap-add=ALL) in CI/CD workflow configurations, the spawning of 'nsenter' by the runner process, and writes to sensitive host system paths from containerized processes.
This rule detects the presence and execution of files and scripts associated with the exploitation of CVE-2026-55200, such as harness binaries and proof-of-concept scripts. Additionally, it identifies post-exploitation behavior where common network-related processes (like curl, git, or sshd) spawn suspicious or unexpected child processes, which may indicate successful code execution or lateral movement originating from the compromised service.
Detects anomalous process execution chains originating from the Gitea server or Gitea act-runner processes following the exploitation of CVE-2026-20896. This vulnerability allows an attacker to bypass authentication using a forged X-WEBAUTH-USER header when REVERSE_PROXY_TRUSTED_PROXIES is insecurely configured. The rule identifies subsequent command-line activity such as spawning shells, using network utilities (wget, curl, netcat), or executing Gitea administrative commands by unauthorized child processes.
Detects high-volume, unauthenticated REST API requests to ServiceNow endpoints, specifically those identified as coming from a 'guest' user account or lacking authentication tokens, which may indicate reconnaissance, vulnerability scanning, or automated data extraction attempts.
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