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Lolbin

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medium advisory

AWS EC2 LOLBin Execution via SSM SendCommand

Detection of Living Off the Land Binaries (LOLBins) or GTFOBins execution on EC2 instances via AWS Systems Manager (SSM) SendCommand API, potentially indicating malicious activity.

aws ec2 ssm lolbin execution cloud
2r 2t
medium advisory

Suspicious Windows Process Cluster from Parent Process via Machine Learning

A machine learning model detected a parent process spawning a cluster of suspicious Windows processes with high malicious probability scores, potentially indicating LOLBins usage and defense evasion.

defense-evasion lolbin windows
2r 2t
high advisory

Suspicious Managed Code Hosting Process

This rule detects suspicious managed code hosting processes on Windows systems, potentially indicating code injection or defense evasion tactics by monitoring file events associated with processes commonly used to host managed code, such as wscript.exe, cscript.exe, and mshta.exe.

M365 Defender +3 defense-evasion windows managed code lolbin
2r 1t
medium advisory

Potential Abuse of Certreq for File Transfer via HTTP POST

Adversaries may abuse the Windows Certreq utility to download files or upload data to a remote URL by making an HTTP POST request, potentially for command and control or exfiltration, which can be detected by monitoring process execution events.

Microsoft Defender XDR +2 lolbin command-and-control exfiltration certreq
2r 4t
high advisory

Suspicious Child Processes Spawned by WScript or CScript

Detects suspicious processes spawned by WScript or CScript, a common technique used by adversaries to execute LOLBINs, PowerShell, or inject code into suspended processes for defense evasion.

Splunk Enterprise +2 wscript cscript lolbin malware defense-evasion
2r 3t
medium advisory

Suspicious Copy from or to System Directory

This threat involves the suspicious copying of files from or to Windows system directories (System32, SysWOW64, WinSxS) using command-line tools, often employed by attackers to relocate LOLBINs for defense evasion.

Windows defense-evasion lolbin
3r 1t
high threat

Regsvr32 Silent and Install Parameter DLL Loading

Detection of regsvr32.exe being used with the silent and DLL install parameter to load a DLL, a technique used by RATs like Remcos and njRAT to execute arbitrary code.

Splunk Enterprise +2 Remcos +1 lolbin dll-loading regsvr32
2r 2t
low advisory

LOLBIN Network Connection for Defense Evasion

Adversaries can use Living-Off-The-Land Binaries (LOLBINs) such as expand.exe, extrac32.exe, ieexec.exe, and makecab.exe to establish network connections, potentially bypassing security controls and facilitating malicious activities on Windows systems.

Elastic Defend +2 lolbin defense-evasion windows
2r 1t
low advisory

ProblemChild ML Model Detects Unusual Process on Windows Host

The ProblemChild machine learning model detected a rare Windows process indicative of defense evasion, potentially involving LOLbins, on a host not commonly associated with malicious activity.

defense-evasion lolbin windows machine-learning
2r 1t