Activity timeline
T1218.010 first appeared in tracked threats on and was most recently reported on . The busiest month was 2026-07 with 6 reports, and 14 of the 14 threats were reported in the twelve months to 2026-09.
How adversaries use it
T1218.010 Regsvr32 is catalogued by MITRE ATT&CK under the Stealth (formerly Defense Evasion) tactic in the Enterprise matrix, as a sub-technique of T1218 System Binary Proxy Execution. Threadlinqs maps 14 of 2623 tracked threats (0.5%) to it; by severity that is 3 critical, 10 high, 1 medium.
Threats that use T1218.010 most often also use T1059.003 Windows Command Shell (11 threats), T1071.001 Web Protocols (11 threats), T1027 Obfuscated Files or Information (10 threats), T1082 System Information Discovery (10 threats), T1204.002 Malicious File (10 threats). These are the techniques an intrusion set tends to chain with it, so they are the natural next places to look when it is observed.
9 tracked threat actors appear in the threats that use T1218.010; the most frequent are APT43 (2), Kimsuky (2), Safepay (2), APT38 (1), Andariel (1).
Mitigations
MITRE ATT&CK lists 1 mitigation for T1218.010.
Data sources
Telemetry that can reveal T1218.010, per MITRE ATT&CK.
- Command — Command Execution
- Module — Module Load
- Network Traffic — Network Connection Creation
- Process — Process Creation
Threat actors using it
Tracked threats
14 tracked threats use T1218.010.
- Phishing campaign targeting Japanese/Korean orgs delivering PureRAT / PureLogs RATs via ZIP archives and…high
- July 2026 Domestic APT Attack Trends (South Korea): LNK-Based Spear Phishing Delivering XenoRAT and…high
- Dragon Breath (APT-Q-27) Deploys RONINGLOADER to Disable Security Tools and Drop Gh0st RAThigh
- Larva-26005 APT Campaign: Xctdoor and CRAT Backdoors Targeting South Korea (2020–2026)critical
- Coldcard Security Audit Phishing Campaign Installs ConnectWise ScreenConnect RATcritical
- Astaroth (Guildma) Banking Trojan Adds WhatsApp Web Spambot Module — STAC3150 / "Boto Cor-de-Rosa" Campaign…high
- SafePay Ransomware Abuses OneDrive Sync Client for Covert Data Exfiltrationhigh
- ChonkyChicken RAT (TAG-195/Golden Chickens) Bypasses Chrome App-Bound Encryption via ChromEggscalator to…high
- Royal Ransomware Uses Qbot and Cobalt Strike to Rapidly Compromise Windows Domainshigh
- Domestic APT Spear-Phishing Campaigns (May 2026) — LNK/HTA/CHM/JSE Loaders Deploying XenoRAT, Suspected…high
- VEIL#DROP Campaign Uses Blogger-Hosted Stager to Deliver PureLogs Stealermedium
- Kimsuky (Velvet Chollima) PebbleDash Cluster — HelloDoor, httpMalice, httpTroy/MemLoad & VS Code Remote…high
- CPUID Supply Chain Compromise — Trojanized CPU-Z 2.19, HWMonitor 1.63, PerfMonitor 2, and powerMAX…critical
- Conduent Safepay Ransomware Breach — 25M+ PII/PHI Records Exfiltrated from Gov/Healthcare BPO Provider…high
Detection coverage
Threadlinqs maintains 26 detection rules mapped to T1218.010 (SPL 11, KQL 7, Sigma 8). Rule content is available to Blue tier accounts and above; this page shows counts only.
Parent technique
T1218 System Binary Proxy Execution — 170 tracked threats at the technique level.