
Ibrahim Saud
@tektrixIndiaCompletionist
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Detects a suspicious sequence where a user completes a device-code authentication flow followed shortly by consenting to high-risk OAuth permissions. This pattern is characteristic of consent phishing and device-code phishing attacks, where an attacker leverages these methods to gain persistent access to a user's cloud resources via malicious application tokens.
Detects potential reflective DLL injection or process hollowing attempts by monitoring for high-privilege cross-process access (ProcessAccess EventID 10) or remote thread creation (CreateRemoteThread EventID 8). These methods are frequently used by attackers to execute malicious code within the memory space of a legitimate target process, thereby evading traditional signature-based detection.
Detects potential Pass-the-Hash (PtH) activity where a single user account performs NTLM Type 3 (network) authentications to three or more unique destination hosts within a 10-minute window, excluding service account activity (trailing $). This pattern is consistent with an adversary moving laterally across a network using harvested NTLM hashes.
Detects the use of cloud synchronization utilities such as rclone (including renamed binaries) or Mega command-line tools to interact with cloud storage services. The rule correlates this execution with preceding mass file enumeration or access activity on the same host, which is a common pattern in ransomware double-extortion scenarios.
Detects the use of the built-in Windows utility rundll32.exe to execute comsvcs.dll with the MiniDump command to dump the memory of the Local Security Authority Subsystem Service (LSASS) process. This is a common technique used by attackers to harvest credentials from memory.
Detects the use of native Windows utilities (vssadmin, wbadmin, bcdedit, wmic) to delete shadow copies, backup catalogs, or modify boot configuration data to disable recovery. This behavior is commonly associated with ransomware and data destruction attacks intended to prevent system restoration.
Detects potential Adversary-in-the-Middle (AiTM) session token theft by monitoring for an initial interactive sign-in followed shortly by a non-interactive token refresh from a different IP address and browser fingerprint without a multi-factor authentication (MFA) challenge. This behavior is indicative of an adversary replaying captured session cookies via reverse-proxy infrastructure.
Detects potential 'ClickFix' activity where a browser or file explorer process initiates a shell (e.g., cmd, powershell, osascript) with command arguments indicative of remote script execution, obfuscated commands, or web-based payload downloading. This pattern matches known social engineering tactics that entice users to copy-paste malicious code into a system shell.
Detects Windows Event 4662 indicating the use of DS-Replication-Get-Changes or DS-Replication-Get-Changes-All extended rights from a host that is not a known domain controller. This behavior is highly indicative of credential dumping via DCSync, commonly associated with tools like Mimikatz.
Detects anomalous Kerberos TGT (4768) or TGS (4769) requests where the ticket lifetime exceeds typical domain policy (10 hours), or where the KRBTGT account is explicitly referenced as the target, both of which are high-fidelity indicators of Golden Ticket forgery attacks.
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