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Actor

APT29

4 briefs RSS
Also known as: Cozy Bear NOBELIUM UNC2452 Midnight Blizzard The Dukes
medium threat

Detection of Unsigned DLL Side-Loading Mimicking Microsoft

Adversaries utilize unsigned DLLs masquerading as Microsoft-signed libraries within non-standard directories to achieve code execution, persistence, and privilege escalation via DLL side-loading.

APT29 +5
1r 1t
high threat

SUNBURST Command and Control Activity Detected

This rule detects post-exploitation command and control activity related to the SUNBURST backdoor, which targets SolarWind's Orion software, mimicking the Orion Improvement Program (OIP) protocol for covert communication.

SolarWinds Orion Platform APT29 +5 solarwinds sunburst supply-chain command-and-control
2r 2t
high threat

Potential Vcruntime140 DLL Sideloading

Detects potential DLL sideloading of vcruntime140.dll, a common C++ runtime library, often used by threat actors like APT29 (via WinELOADER) to load malicious payloads under the guise of legitimate applications, leading to defense evasion, persistence, and privilege escalation.

Visual C++ Redistributable APT29 +5 dll-sideloading vcruntime140.dll wineloader defense-evasion persistence privilege-escalation
2r 3t
high threat

Okta Multiple Failed MFA Requests Indicate Potential MFA Bypass Attempt

An adversary may attempt to bypass MFA by bombarding a user with repeated authentication requests, potentially leading to unauthorized access and system compromise.

Okta Lapsus$ +6 mfa credential-access mfa-bypass
2r 1t