Technique T1562

Impair Defenses

CLEARED FOR PUBLIC RELEASE · OPEN-SOURCE INTELLIGENCE

Impair Defenses (T1562) — a Defense Evasion technique, observed in public incident reporting.

MITRE ATT&CKT1562

TacticDefense Evasion

Incidents on file25

Detection & mitigation

Monitor for AMSI bypass attempts (e.g., patching AmsiScanBuffer) and suspicious use of csc.exe for runtime compilation. Deploy EDR with script block logging and behavioral analysis to detect shellcode injection and AI-evasion comment patterns.

Observed in the wild

2026-10-09

amsi bypass
ROZESHELL Malware Uses AI-Evasion Comments and AMSI Bypass

2026-10-05

disable or modify tools
Attackers Use Microsoft Defender Exclusions to Hide Malware

2026-10-03

disable or modify tools
Play ransomware abuses SentinelOne uninstaller to disable endpoint protection

2026-10-01

disable or modify tools
EDR Killers Evolve Beyond Driver Exploits in 2026 Malware Arms Race

2026-10-01

edr unhooking
New 2CLoader Malware Uses Anti-VM and API Hooking to Deliver Vidar and Remus Stealers

2026-10-01

byovd
Warlock Ransomware Attacks Water and Telecom Operators

2026-09-27

byovd
Lunex Stealer Uses BYOVD to Disable EDR via Kernel Callback Manipulation

2026-09-21

byovd
Fake LastPass Authenticator Installer Uses Microsoft-Signed Driver to Disable Antivirus and EDR

2026-09-21

edr unhooking
Remus Infostealer Removes Syscall Hooks to Evade EDR

2026-09-19

disable or modify tools
Rapuncel Infostealer Kills 145 Security Tools Before Stealing Credentials

2026-09-18

byovd
SETTRA ransomware abuses MeshAgent RMM and BYOVD to encrypt Windows systems

2026-09-17

amsi bypass
Advanced LausivLoader Campaign Uses Multi-Stage JavaScript/PowerShell Handoffs and Steganographic PNG Payloads

2026-09-17

disable or modify tools
Handala Hack Uses CRUDEEXCLUDE to Disable Defender Protections and Deploy HEAVYGRAM

2026-09-16

amsi bypass
PIVOTPIPE: New .NET-based Unofficial Beacon Payload with EDR Evasion

2026-09-15

disable or modify tools
Lesser-Known Ransomware Groups Continue Targeting Businesses in 2026

2026-09-12

disable or modify tools
Cisco Talos Attributes Firewall Vulnerability CVE-2026-20079 and Qilin Ransomware to Three Groups

2026-09-10

byovd
AOMEI Backupper amwrtdrv.sys local privilege escalation vulnerability

2026-09-08

disable or modify tools
Attackers Disable Endpoint Protection and Deploy Sliver C2 in Windows Domain Compromise

2026-09-08

disable or modify tools
The Gentlemen ransomware intrusion: domain admin creation and security tool disablement

2026-09-07

byovd
BYOTC Attack Abuses Trusted Windows Clients to Access Privileged Kernel Driver Operations

2026-09-06

disable or modify tools
Researchers demonstrate abuse of Windows Security Center APIs to disable security tools

2026-09-02

edr unhooking
Constructing a CrowdStrike EDR Evasion Debugging Pipeline

2026-09-02

disable or modify tools
RecoverIt: Using Windows Service Failure Recovery for Defense Evasion

2026-09-02

byovd
MoiClient evasive backdoor uses DLL side-loading, process injection, UAC bypass, and BYOVD

2026-09-02

disable or modify tools
Singularity Rootkit Bypasses Elastic Defend eBPF Module Load Detection

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