Trusted Design

Cato CTRL Threat Research: Suspected China-Linked Threat Actor Targets Global Manufacturer with Undocumented TencShell Malware

概要

In April 2026, Cato CTRL identified and blocked an attempted intrusion against a global manufacturing customer involving TencShell, a previously undocumented, Go-based implant derived from the open-source Rshell C2 framework. The activity appeared in traffic associated with a third-party user connected to the customer environment.

Created: 2026-05-18

Indicators

類似Pulses

類似するPulseは見つかりませんでした。

このPulseに関連する脅威アクター (事実ベース)

Turla

Score: 14.67
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1099 - Timestomp
  • T1003.007 - Proc Filesystem
  • T1131 - Authentication Package
  • T1597 - Search Closed Sources
  • T1027.004 - Compile After Delivery
MITREへのリンク →

APT32

Score: 11.27
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1098.007 - Additional Local or Domain Groups
  • T1131 - Authentication Package
  • T1588.001 - Malware
  • T1562.001 - Disable or Modify Tools
MITREへのリンク →

Saint Bear

Score: 3.77
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1597 - Search Closed Sources
MITREへのリンク →

FIN6

Score: 5.87
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1588.001 - Malware
  • T1597 - Search Closed Sources
MITREへのリンク →

Sidewinder

Score: 5.26
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1090 - Proxy
MITREへのリンク →

MuddyWater

Score: 10.33
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1140 - Deobfuscate/Decode Files or Information
  • T1547.011 - Plist Modification
  • T1597 - Search Closed Sources
  • T1027.004 - Compile After Delivery
MITREへのリンク →

Earth Lusca

Score: 9.82
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1003.007 - Proc Filesystem
  • T1140 - Deobfuscate/Decode Files or Information
  • T1098.007 - Additional Local or Domain Groups
  • T1027.004 - Compile After Delivery
MITREへのリンク →

Winter Vivern

Score: 10.34
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1140 - Deobfuscate/Decode Files or Information
  • T1098.007 - Additional Local or Domain Groups
  • T1090 - Proxy
  • T1588.001 - Malware
MITREへのリンク →

Silence

Score: 7.12
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1547.011 - Plist Modification
  • T1562.001 - Disable or Modify Tools
MITREへのリンク →

Contagious Interview

Score: 17.44
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1098.007 - Additional Local or Domain Groups
  • T1131 - Authentication Package
  • T1021.006 - Windows Remote Management
  • T1597 - Search Closed Sources
  • T1562.001 - Disable or Modify Tools
  • T1027.004 - Compile After Delivery
MITREへのリンク →

LazyScripter

Score: 3.49
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1098.007 - Additional Local or Domain Groups
MITREへのリンク →

TA505

Score: 15.09
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1527 - Application Access Token
  • T1098.007 - Additional Local or Domain Groups
  • T1016.002 - Wi-Fi Discovery
  • T1597 - Search Closed Sources
  • T1027 - Obfuscated Files or Information
MITREへのリンク →

FIN7

Score: 11.79
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1140 - Deobfuscate/Decode Files or Information
  • T1098.007 - Additional Local or Domain Groups
  • T1588.001 - Malware
  • T1562.001 - Disable or Modify Tools
  • T1027 - Obfuscated Files or Information
MITREへのリンク →

Cobalt Group

Score: 6.51
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1598.004 - Spearphishing Voice
MITREへのリンク →

Higaisa

Score: 4.07
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1588.001 - Malware
MITREへのリンク →

Kimsuky

Score: 25.38
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1213.006 - Databases
  • T1003.007 - Proc Filesystem
  • T1140 - Deobfuscate/Decode Files or Information
  • T1098.007 - Additional Local or Domain Groups
  • T1131 - Authentication Package
  • T1546.008 - Accessibility Features
  • T1588.001 - Malware
  • T1597 - Search Closed Sources
  • T1027.004 - Compile After Delivery
MITREへのリンク →

Indrik Spider

Score: 12.48
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1003.007 - Proc Filesystem
  • T1552.008 - Chat Messages
  • T1597 - Search Closed Sources
  • T1027 - Obfuscated Files or Information
MITREへのリンク →

Mustang Panda

Score: 16.29
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1098.007 - Additional Local or Domain Groups
  • T1169 - Sudo
  • T1136.003 - Cloud Account
  • T1055.005 - Thread Local Storage
MITREへのリンク →

Star Blizzard

Score: 3.49
Matched TTPs:
  • T1546.013 - PowerShell Profile
  • T1098.007 - Additional Local or Domain Groups
MITREへのリンク →

Magic Hound

Score: 17.99
Matched TTPs:
  • T1099 - Timestomp
  • T1140 - Deobfuscate/Decode Files or Information
  • T1098.007 - Additional Local or Domain Groups
  • T1016.002 - Wi-Fi Discovery
  • T1588.001 - Malware
  • T1597 - Search Closed Sources
  • T1562.001 - Disable or Modify Tools
  • T1027 - Obfuscated Files or Information
MITREへのリンク →

HEXANE

Score: 4.26
Matched TTPs:
  • T1099 - Timestomp
  • T1098.007 - Additional Local or Domain Groups
MITREへのリンク →

APT29

Score: 23.56
Matched TTPs:
  • T1099 - Timestomp
  • T1584.008 - Network Devices
  • T1202 - Indirect Command Execution
  • T1140 - Deobfuscate/Decode Files or Information
  • T1547.011 - Plist Modification
  • T1177 - LSASS Driver
  • T1556.008 - Network Provider DLL
  • T1027.004 - Compile After Delivery
MITREへのリンク →

Gamaredon Group

Score: 19.72
Matched TTPs:
  • T1099 - Timestomp
  • T1527 - Application Access Token
  • T1098.007 - Additional Local or Domain Groups
  • T1090 - Proxy
  • T1554 - Compromise Host Software Binary
  • T1597 - Search Closed Sources
  • T1562.001 - Disable or Modify Tools
MITREへのリンク →

TA2541

Score: 6.06
Matched TTPs:
  • T1099 - Timestomp
  • T1098.007 - Additional Local or Domain Groups
  • T1597 - Search Closed Sources
MITREへのリンク →

FIN13

Score: 13.04
Matched TTPs:
  • T1099 - Timestomp
  • T1584.008 - Network Devices
  • T1140 - Deobfuscate/Decode Files or Information
  • T1588.001 - Malware
  • T1134.001 - Token Impersonation/Theft
MITREへのリンク →

HAFNIUM

Score: 8.06
Matched TTPs:
  • T1099 - Timestomp
  • T1140 - Deobfuscate/Decode Files or Information
  • T1552.008 - Chat Messages
MITREへのリンク →

Volt Typhoon

Score: 26.03
Matched TTPs:
  • T1099 - Timestomp
  • T1686.003 - Windows Host Firewall
  • T1003.007 - Proc Filesystem
  • T1140 - Deobfuscate/Decode Files or Information
  • T1083 - File and Directory Discovery
  • T1552.008 - Chat Messages
  • T1488 - Disk Content Wipe
  • T1584.002 - DNS Server
MITREへのリンク →

FIN8

Score: 5.09
Matched TTPs:
  • T1099 - Timestomp
  • T1027 - Obfuscated Files or Information
MITREへのリンク →

GALLIUM

Score: 6.81
Matched TTPs:
  • T1584.008 - Network Devices
  • T1140 - Deobfuscate/Decode Files or Information
  • T1547.011 - Plist Modification
MITREへのリンク →

Dragonfly

Score: 7.92
Matched TTPs:
  • T1584.008 - Network Devices
  • T1140 - Deobfuscate/Decode Files or Information
  • T1098.007 - Additional Local or Domain Groups
  • T1027.004 - Compile After Delivery
MITREへのリンク →

Ke3chang

Score: 14.41
Matched TTPs:
  • T1584.008 - Network Devices
  • T1003.007 - Proc Filesystem
  • T1140 - Deobfuscate/Decode Files or Information
  • T1198 - SIP and Trust Provider Hijacking
  • T1090 - Proxy
MITREへのリンク →

Agrius

Score: 5.86
Matched TTPs:
  • T1584.008 - Network Devices
  • T1140 - Deobfuscate/Decode Files or Information
  • T1597 - Search Closed Sources
MITREへのリンク →

APT41

Score: 16.32
Matched TTPs:
  • T1584.008 - Network Devices
  • T1140 - Deobfuscate/Decode Files or Information
  • T1177 - LSASS Driver
  • T1588.001 - Malware
  • T1208 - Kerberoasting
  • T1027 - Obfuscated Files or Information
MITREへのリンク →

APT5

Score: 4.06
Matched TTPs:
  • T1584.008 - Network Devices
  • T1140 - Deobfuscate/Decode Files or Information
MITREへのリンク →

menuPass

Score: 12.17
Matched TTPs:
  • T1584.008 - Network Devices
  • T1527 - Application Access Token
  • T1140 - Deobfuscate/Decode Files or Information
  • T1098.007 - Additional Local or Domain Groups
  • T1547.011 - Plist Modification
MITREへのリンク →

Threat Group-3390

Score: 5.58
Matched TTPs:
  • T1584.008 - Network Devices
  • T1140 - Deobfuscate/Decode Files or Information
  • T1098.007 - Additional Local or Domain Groups
MITREへのリンク →

Wizard Spider

Score: 10.11
Matched TTPs:
  • T1584.008 - Network Devices
  • T1588.001 - Malware
  • T1083 - File and Directory Discovery
  • T1597 - Search Closed Sources
MITREへのリンク →

Ember Bear

Score: 8.26
Matched TTPs:
  • T1584.008 - Network Devices
  • T1140 - Deobfuscate/Decode Files or Information
  • T1597 - Search Closed Sources
  • T1562.001 - Disable or Modify Tools
MITREへのリンク →

Sandworm Team

Score: 27.71
Matched TTPs:
  • T1484.002 - Trust Modification
  • T1686.003 - Windows Host Firewall
  • T1140 - Deobfuscate/Decode Files or Information
  • T1098.007 - Additional Local or Domain Groups
  • T1016.002 - Wi-Fi Discovery
  • T1546.008 - Accessibility Features
  • T1562.001 - Disable or Modify Tools
  • T1027 - Obfuscated Files or Information
  • T1075 - Pass the Hash
MITREへのリンク →

Leviathan

Score: 15.10
Matched TTPs:
  • T1484.002 - Trust Modification
  • T1140 - Deobfuscate/Decode Files or Information
  • T1098.007 - Additional Local or Domain Groups
  • T1554 - Compromise Host Software Binary
  • T1488 - Disk Content Wipe
MITREへのリンク →

Storm-0501

Score: 9.75
Matched TTPs:
  • T1686.003 - Windows Host Firewall
  • T1140 - Deobfuscate/Decode Files or Information
  • T1588.001 - Malware
  • T1027 - Obfuscated Files or Information
MITREへのリンク →

BRONZE BUTLER

Score: 6.66
Matched TTPs:
  • T1003.007 - Proc Filesystem
  • T1597 - Search Closed Sources
  • T1027.004 - Compile After Delivery
MITREへのリンク →

TeamTNT

Score: 5.84
Matched TTPs:
  • T1003.007 - Proc Filesystem
  • T1098.007 - Additional Local or Domain Groups
  • T1597 - Search Closed Sources
MITREへのリンク →

OilRig

Score: 4.04
Matched TTPs:
  • T1003.007 - Proc Filesystem
  • T1098.007 - Additional Local or Domain Groups
MITREへのリンク →

Aquatic Panda

Score: 6.42
Matched TTPs:
  • T1003.007 - Proc Filesystem
  • T1588.001 - Malware
  • T1597 - Search Closed Sources
MITREへのリンク →

APT1

Score: 4.04
Matched TTPs:
  • T1003.007 - Proc Filesystem
  • T1098.007 - Additional Local or Domain Groups
MITREへのリンク →

Rocke

Score: 8.01
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1597 - Search Closed Sources
  • T1562.001 - Disable or Modify Tools
  • T1027.004 - Compile After Delivery
MITREへのリンク →

APT28

Score: 13.56
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1098.007 - Additional Local or Domain Groups
  • T1139 - Bash History
  • T1131 - Authentication Package
  • T1547.011 - Plist Modification
MITREへのリンク →

BackdoorDiplomacy

Score: 3.57
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1588.001 - Malware
MITREへのリンク →

Medusa Group

Score: 5.61
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1597 - Search Closed Sources
  • T1027 - Obfuscated Files or Information
MITREへのリンク →

Fox Kitten

Score: 6.85
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1177 - LSASS Driver
  • T1588.001 - Malware
MITREへのリンク →

Cinnamon Tempest

Score: 3.81
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1027.004 - Compile After Delivery
MITREへのリンク →

BlackByte

Score: 9.74
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1134.001 - Token Impersonation/Theft
  • T1597 - Search Closed Sources
  • T1027 - Obfuscated Files or Information
MITREへのリンク →

INC Ransom

Score: 9.23
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1083 - File and Directory Discovery
  • T1597 - Search Closed Sources
  • T1027 - Obfuscated Files or Information
MITREへのリンク →

UNC3886

Score: 15.68
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1021.006 - Windows Remote Management
  • T1588.001 - Malware
  • T1597 - Search Closed Sources
  • T1488 - Disk Content Wipe
  • T1027.004 - Compile After Delivery
MITREへのリンク →

Axiom

Score: 4.76
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1177 - LSASS Driver
MITREへのリンク →

Play

Score: 3.27
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1597 - Search Closed Sources
MITREへのリンク →

APT39

Score: 6.56
Matched TTPs:
  • T1140 - Deobfuscate/Decode Files or Information
  • T1547.011 - Plist Modification
  • T1027.004 - Compile After Delivery
MITREへのリンク →

Akira

Score: 8.68
Matched TTPs:
  • T1137.005 - Outlook Rules
  • T1597 - Search Closed Sources
  • T1027 - Obfuscated Files or Information
MITREへのリンク →

Storm-1811

Score: 8.40
Matched TTPs:
  • T1098.007 - Additional Local or Domain Groups
  • T1027 - Obfuscated Files or Information
  • T1486 - Data Encrypted for Impact
MITREへのリンク →

Scattered Spider

Score: 13.12
Matched TTPs:
  • T1098.007 - Additional Local or Domain Groups
  • T1083 - File and Directory Discovery
  • T1556.008 - Network Provider DLL
  • T1597 - Search Closed Sources
  • T1027 - Obfuscated Files or Information
MITREへのリンク →

ZIRCONIUM

Score: 5.95
Matched TTPs:
  • T1098.007 - Additional Local or Domain Groups
  • T1588.001 - Malware
  • T1027.004 - Compile After Delivery
MITREへのリンク →

RedEcho

Score: 3.92
Matched TTPs:
  • T1098.007 - Additional Local or Domain Groups
  • T1562.001 - Disable or Modify Tools
MITREへのリンク →

Lazarus Group

Score: 19.22
Matched TTPs:
  • T1098.007 - Additional Local or Domain Groups
  • T1547.011 - Plist Modification
  • T1588.001 - Malware
  • T1069.001 - Local Groups
  • T1597 - Search Closed Sources
  • T1562.001 - Disable or Modify Tools
  • T1055.005 - Thread Local Storage
MITREへのリンク →

Silent Librarian

Score: 5.36
Matched TTPs:
  • T1098.007 - Additional Local or Domain Groups
  • T1546.008 - Accessibility Features
MITREへのリンク →

APT38

Score: 14.73
Matched TTPs:
  • T1098.007 - Additional Local or Domain Groups
  • T1590 - Gather Victim Network Information
  • T1597 - Search Closed Sources
  • T1027 - Obfuscated Files or Information
  • T1493 - Transmitted Data Manipulation
MITREへのリンク →

Moonstone Sleet

Score: 3.86
Matched TTPs:
  • T1098.007 - Additional Local or Domain Groups
  • T1027 - Obfuscated Files or Information
MITREへのリンク →

BITTER

Score: 3.61
Matched TTPs:
  • T1098.007 - Additional Local or Domain Groups
  • T1588.001 - Malware
MITREへのリンク →

RedCurl

Score: 9.25
Matched TTPs:
  • T1016.002 - Wi-Fi Discovery
  • T1090 - Proxy
  • T1027.004 - Compile After Delivery
MITREへのリンク →

SilverTerrier

Score: 3.29
Matched TTPs:
  • T1131 - Authentication Package
MITREへのリンク →

Tonto Team

Score: 5.09
Matched TTPs:
  • T1547.011 - Plist Modification
  • T1027.004 - Compile After Delivery
MITREへのリンク →

APT3

Score: 6.03
Matched TTPs:
  • T1547.011 - Plist Modification
  • T1177 - LSASS Driver
MITREへのリンク →

Deep Panda

Score: 3.29
Matched TTPs:
  • T1177 - LSASS Driver
MITREへのリンク →

Tropic Trooper

Score: 7.42
Matched TTPs:
  • T1090 - Proxy
  • T1136.003 - Cloud Account
MITREへのリンク →

APT-C-36

Score: 4.49
Matched TTPs:
  • T1588.001 - Malware
  • T1562.001 - Disable or Modify Tools
MITREへのリンク →

LAPSUS$

Score: 3.84
Matched TTPs:
  • T1556.008 - Network Provider DLL
MITREへのリンク →

Velvet Ant

Score: 4.20
Matched TTPs:
  • T1597 - Search Closed Sources
  • T1562.001 - Disable or Modify Tools
MITREへのリンク →

SideCopy

Score: 4.13
Matched TTPs:
  • T1584.002 - DNS Server
MITREへのリンク →

このPulseに関連する脅威アクター (推論ベース)

Sandworm Team

Score: 0.70
Matched TTPs:
  • T1686.003 - Windows Host Firewall
  • T1098.007 - Additional Local or Domain Groups
  • T1075 - Pass the Hash
  • T1027 - Obfuscated Files or Information
  • T1562.001 - Disable or Modify Tools
  • T1546.008 - Accessibility Features
  • T1016.002 - Wi-Fi Discovery
  • T1484.002 - Trust Modification
  • T1140 - Deobfuscate/Decode Files or Information
MITREへのリンク →

Volt Typhoon

Score: 0.66
Matched TTPs:
  • T1552.008 - Chat Messages
  • T1686.003 - Windows Host Firewall
  • T1083 - File and Directory Discovery
  • T1003.007 - Proc Filesystem
  • T1488 - Disk Content Wipe
  • T1099 - Timestomp
  • T1584.002 - DNS Server
  • T1140 - Deobfuscate/Decode Files or Information
MITREへのリンク →

Kimsuky

Score: 0.64
Matched TTPs:
  • T1027.004 - Compile After Delivery
  • T1098.007 - Additional Local or Domain Groups
  • T1588.001 - Malware
  • T1597 - Search Closed Sources
  • T1003.007 - Proc Filesystem
  • T1546.008 - Accessibility Features
  • T1131 - Authentication Package
  • T1213.006 - Databases
  • T1140 - Deobfuscate/Decode Files or Information
  • T1546.013 - PowerShell Profile
MITREへのリンク →

APT29

Score: 0.60
Matched TTPs:
  • T1027.004 - Compile After Delivery
  • T1177 - LSASS Driver
  • T1202 - Indirect Command Execution
  • T1556.008 - Network Provider DLL
  • T1584.008 - Network Devices
  • T1099 - Timestomp
  • T1547.011 - Plist Modification
  • T1140 - Deobfuscate/Decode Files or Information
MITREへのリンク →

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