Weekly Threat Digest: AhsayCBS Zero-Days, Ivanti Connect Secure and TraderTraitor
HiveForce Labs reports four attacks, twelve exploited vulnerabilities and three tracked adversaries for 12 to 18 October 2026, led by AhsayCBS zero-days, the Ivanti Connect Secure zero-day CVE-2026-104935 and TraderTraitor backdoors.
Summary
HiveForce Labs has reported a sharp rise in cybersecurity threats, highlighting the growing complexity and frequency of global cyber incidents. Over the past week, four major attacks were detected, twelve vulnerabilities were actively exploited, and three threat actor groups were closely monitored, signaling a concerning escalation in malicious activity worldwide.
Among the most significant developments attackers are actively exploiting, AhsayCBS, a backup console used by managed service providers, has two flaws (CVE-2026-105133 and CVE-2026-105134) being exploited together. A broken login check and an OS command flaw let anyone on the internet take full SYSTEM control. Ivanti Connect Secure, a popular SSL VPN gateway, also had a zero-day (CVE-2026-104935) that lets attackers run commands without an account or user action. Researchers saw it used as one step in a three-part chain that gives root access on a fully updated device. The attacks are linked to UTA0576, a previously unknown actor that used no malware.
Elsewhere, North Korea’s TraderTraitor group, tied to the USD 1.5 billion Bybit heist, is hiding backdoors (FLATROOF and ROOFDECK) in fake Terraform add-ons and rigged job-interview coding tests aimed at cloud engineers. These steal passwords, cloud keys, and crypto wallets, and give attackers full remote control. Meanwhile, a suspected nation-state cluster, CL-STA-0954, broke into a telecom service provider through the FortiJump flaw in FortiManager. It stole configurations and credentials for more than 500 FortiGate firewalls, then returned to deploy PEERSTITCH, a hidden implant that leaves no trace on disk. Together, these incidents show a growing trend of attacks that mix technical exploitation with social engineering, reinforcing the need for timely patching, continuous monitoring, and layered defenses.
Insights
Every unpatched flaw from the October 2026 Patch Tuesday is a gap attackers can study once the fixes are public, so patch fast.
CVE-2026-105133 is a broken login check, and CVE-2026-105134 runs OS commands, so one flaw opens the door and the other walks right in.
TraderTraitor, the group behind the USD 1.5 billion Bybit heist, is now targeting cloud engineers, shifting the focus from crypto firms to anyone with cloud access.
UTA0576 is a previously unknown actor exploiting CVE-2026-104935, so don’t assume your known threat lists will catch it.
CVE-2026-76519 is a critical Cisco Secure Email Gateway flaw exploited in the wild, so patch now.
CL-STA-0954 broke into a telecom provider through the FortiJump flaw, so one central FortiManager can become the way into everything it manages.
Attack Details
XMRig
- Type
- Cryptominer
- Overview
- XMRig is an open-source, cross-platform Monero (XMR) cryptocurrency miner that is legitimate software but is one of the most widely abused tools in illicit cryptojacking, as attackers embed it in malware chains to hijack victim CPU resources for mining.
- Delivery method
- Exploiting Vulnerability
- Targeted CVE
CVE-2026-105133,CVE-2026-105134- Affected platform
- Ahsay AhsayCBS
- Impact
- Resource hijacking, persistent access
- Patch link
- idp3.ahsay.com/idp/Authn/RemoteUser
FLATROOF
- Type
- Backdoor
- Associated actor
- TraderTraitor
- Overview
- FLATROOF is a Rust-based cross-platform backdoor for Windows, macOS, and Linux. It uses platform-specific persistence and multiple backup C2 channels. It can use the Telegram Bot API, GitHub API polling, or an attacker-controlled HTTP webhook for C2. It runs Python scripts that steal sensitive data, and then drops the ROOFDECK backdoor to give the attacker full remote control.
- Delivery method
- Trojanized Terraform
- Affected platform
- macOS, Windows, Linux
- Impact
- Credential Theft, Cookie Theft, Wallet Theft, Data Exfiltration
ROOFDECK
- Type
- Backdoor
- Associated actor
- TraderTraitor
- Overview
- ROOFDECK is a backdoor found in Windows and macOS variants, and the two versions have nearly identical functionality. Its key feature is a layered C2 discovery process. It first uses a locally stored address, then pulls a signed and encrypted address from Pastebin, and finally falls back to Nostr profile metadata to find the current Pastebin dead drop. It checks an RSA signature before accepting the server address, so only the operator can redirect infected systems. After it finds the server, it communicates over HTTP and WebSocket.
- Delivery method
- FLATROOF drops ROOFDECK as the final stage
- Affected platform
- macOS, Windows, Linux
- Impact
- System Discovery, Command Execution, Reverse Shell
PEERSTITCH
- Type
- Backdoor
- Associated actor
- CL-STA-0954
- Overview
- PEERSTITCH is a small Linux ARM64 program (written in C) that attacks FortiOS devices. It runs once and injects malicious code into the memory of two core FortiOS processes, so it leaves no files on disk. It also sets up a hidden communication channel between those processes inside memory. This lets attackers stay on the device for a long time without being noticed by normal monitoring tools.
- Delivery method
- Exploiting Vulnerability
- Targeted CVE
CVE-2025-61624,CVE-2024-47575- Affected platform
- Fortinet FortiManager, Fortinet FortiGate, Fortinet FortiOS, Fortinet FortiPAM, Fortinet FortiProxy, Fortinet FortiSwitchManager
- Impact
- Stealthy persistent firewall compromise.
- Patch link
- fortiguard.fortinet.com/psirt/FG-IR-26-122, www.fortiguard.com/psirt/FG-IR-24-423
Vulnerability Details
| CVE ID | Name | Affected product | Status | Actors / attacks | CWE | Associated TTPs |
|---|---|---|---|---|---|---|
| CVE-2026-105133 | Ahsay AhsayCBS Improper Authentication Vulnerability | Ahsay AhsayCBS (v10 builds before hotfix 10.3.4.45) | Zero-day · CISA KEV | XMRig | CWE-287 | T1190, T1059 |
| CVE-2026-105134 | Ahsay AhsayCBS Command Injection Vulnerability | Ahsay AhsayCBS (v10 builds before hotfix 10.3.4.45) | Zero-day · CISA KEV | XMRig | CWE-77CWE-78 | T1190, T1059 |
| CVE-2026-107406 | Citrix NetScaler ADC and NetScaler Gateway Memory Overflow Vulnerability | Citrix NetScaler ADC and NetScaler Gateway (14.1-73.41 and earlier, 13.1-64.28 and earlier), Citrix NetScaler ADC 14.1-FIPS (14.1-73.41 FIPS and earlier), Citrix NetScaler ADC 13.1-FIPS and 13.1-NDcPP (13.1-37.282 and earlier) | CISA KEV | – | CWE-119 | T1190, T1499 |
| CVE-2026-102255 | SonicWall SMA 1000 WorkPlace Pre-Authentication Server-Side Request Forgery Vulnerability | SonicWall SMA 1000 Series -6210, 7210, 8200v (platform-hotfix 12.4.3-03526 and earlier; 12.5.0-02952 and earlier) | – | – | CWE-918CWE-441 | T1190 |
| CVE-2026-104935 | Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability | Ivanti Connect Secure (22.8R2.4 and prior; 25.1.1.1 on ISA6000/ISA8000; 25.1.2.2 and prior) | Zero-day · CISA KEV | UTA0576 | CWE-290 | T1190, T1059, T1068 |
| CVE-2026-96951 | Windows Shell Security Feature Bypass Vulnerability | Windows 10 -11 26H2, Windows Server 2012, 2016, 2019, 2025, 2022, Outlook.com | Zero-day · CISA KEV | – | CWE-77CWE-78 | T1059, T1068 |
| CVE-2026-92707 | MessagePack-CSharp Denial of Service Vulnerability | Microsoft Visual Studio 2026 version 18.10, MessagePack 2.5.303 | – | – | CWE-1325 | T1499 |
| CVE-2026-108398 | .NET Framework Security Feature Bypass Vulnerability | .NET Framework | – | – | CWE-426 | T1059, T1068 |
| CVE-2026-76519 | Cisco Secure Email Gateway Relative Path Traversal Vulnerability | Cisco Secure Email Gateway (AsyncOS 15.5 before 15.5.5-014, 16.0 all releases, 16.5 before 16.5.0-780; Content Scanner Tools before 25.3.0.5525) | Zero-day · CISA KEV | – | CWE-23 | T1190, T1059, T1068 |
| CVE-2026-0322 | Palo Alto Networks PAN-OS Code Injection Vulnerability | Palo Alto Networks PAN-OS 12.2 (Before 12.2.4), 12.1 (Before 12.1.4-h12, 12.1.7-h8, 12.1.10-h2), 11.2 (Before 11.2.4-h22, 11.2.7-h21, 11.2.10-h15, 11.2.13-h3, 11.2.16), 11.1 (Before 11.1.4-h37, 11.1.6-h39, 11.1.7-h11, 11.1.10-h35, 11.1.13-h15, 11.1.16-h3), 10.2 (Before 10.2.7-h38, 10.2.10-h41, 10.2.13-h26, 10.2.16-h11, 10.2.18-h12) on PA-Series, VM-Series and Panorama | Zero-day · CISA KEV | – | CWE-94 | T1190, T1059, T1068 |
| CVE-2025-61624 | Fortinet FortiOS CLI Path Traversal Vulnerability | Fortinet FortiOS, FortiPAM, FortiProxy, FortiSwitch Manager | – | CL-STA-0954; PEERSTITCH | CWE-22 | T1190, T1068 |
| CVE-2024-47575 | Fortinet FortiManager Missing Authentication Vulnerability | Fortinet FortiManager | Zero-day · CISA KEV · Celebrity: FortiJump | CL-STA-0954; PEERSTITCH | CWE-306 | T1190, T1059 |
Patch links
- CVE-2026-105133idp3.ahsay.com/idp/Authn/RemoteUser
- CVE-2026-105134idp3.ahsay.com/idp/Authn/RemoteUser
- CVE-2026-107406support.citrix.com/external/articl…and-citrix-netscale.html
- CVE-2026-102255psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0017
- CVE-2026-104935hub.ivanti.com/s/article/Security-…26-104935?language=en_US
- CVE-2026-96951msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96951
- CVE-2026-92707msrc.microsoft.com/update-guide/vulnerability/CVE-2026-92707
- CVE-2026-108398msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108398
- CVE-2026-76519sec.cloudapps.cisco.com/security/c…isco-sa-esa-afw-zqYJkjxp
- CVE-2026-0322security.paloaltonetworks.com/CVE-2026-0322
- CVE-2025-61624fortiguard.fortinet.com/psirt/FG-IR-26-122
- CVE-2024-47575www.fortiguard.com/psirt/FG-IR-24-423
Actor Details
UTA0576
- Motive
- Information Theft
- Targeted industries
- All
- Targeted regions
- Worldwide
- Targeted CVE
CVE-2026-104935- Affected product
- Ivanti Connect Secure
- TTPs
TA0001Initial Access;TA0002Execution;TA0004Privilege Escalation;TA0005Defense Evasion;TA0006Credential Access;TA0007Discovery;TA0009Collection;TA0011Command and Control;TA0010Exfiltration;T1190Exploit Public-Facing Application;T1059Command and Scripting Interpreter;T1059.004Unix Shell;T1059.006Python;T1068Exploitation for Privilege Escalation;T1055Process Injection;T1055.009Proc Memory;T1070Indicator Removal;T1070.002Clear Linux or Mac System Logs;T1070.004File Deletion;T1036Masquerading;T1036.005Match Legitimate Name or Location;T1564Hide Artifacts;T1564.001Hidden Files and Directories;T1140Deobfuscate/Decode Files or Information;T1552Unsecured Credentials;T1552.001Credentials In Files;T1040Network Sniffing;T1110Brute Force;T1110.003Password Spraying;T1087Account Discovery;T1087.002Domain Account;T1016System Network Configuration Discovery;T1005Data from Local System;T1560Archive Collected Data;T1071Application Layer Protocol;T1071.001Web Protocols;T1041Exfiltration Over C2 Channel
TraderTraitor
- Origin
- North Korea
- Also tracked as
- Lazarus, Pressure Chollima, Labyrinth Chollima, Group 77, Hastati Group, Whois Hacking Team, NewRomanic Cyber Army Team, Zinc, Hidden Cobra, Appleworm, APT-C-26, ATK 3, SectorA01, ITG03, TA404, DEV-0139, Guardians of Peace, Gods Apostles, Gods Disciples, UNC577, UNC2970, UNC4034, UNC4736, UNC4899, Diamond Sleet, Citrine Sleet, Jade Sleet, Gleaming Pisces, Slow Pisces, PUKCHONG
- Motive
- Financial Gain
- Targeted industries
- Cryptocurrency, Fintech, Venture Capital, IT Services, Cloud Identity and SaaS Providers
- Targeted regions
- Worldwide
- Attacks / ransomware
- FLATROOF, ROOFDECK
- Affected product
- macOS, Windows, Linux
- TTPs
TA0042Resource Development;TA0001Initial Access;TA0002Execution;TA0003Persistence;TA0005Defense Evasion;TA0006Credential Access;TA0007Discovery;TA0008Lateral Movement;TA0009Collection;TA0011Command and Control;TA0010Exfiltration;TA0040Impact;T1583Acquire Infrastructure;T1608Stage Capabilities;T1566Phishing;T1195Supply Chain Compromise;T1199Trusted Relationship;T1204User Execution;T1059Command and Scripting Interpreter;T1546Event Triggered Execution;T1543Create or Modify System Process;T1547Boot or Logon Autostart Execution;T1098Account Manipulation;T1036Masquerading;T1027Obfuscated Files or Information;T1140Deobfuscate/Decode Files or Information;T1553Subvert Trust Controls;T1055Process Injection;T1070Indicator Removal;T1555Credentials from Password Stores;T1552Unsecured Credentials;T1539Steal Web Session Cookie;T1082System Information Discovery;T1057Process Discovery;T1083File and Directory Discovery;T1518Software Discovery;T1217Browser Information Discovery;T1580Cloud Infrastructure Discovery;T1550Use Alternate Authentication Material;T1115Clipboard Data;T1560Archive Collected Data;T1071Application Layer Protocol;T1102Web Service;T1008Fallback Channels;T1573Encrypted Channel;T1105Ingress Tool Transfer;T1567Exfiltration Over Web Service;T1041Exfiltration Over C2 Channel;T1657Financial Theft;T1583.001Domains;T1608.001Upload Malware;T1566.003Spearphishing via Service;T1195.001Compromise Software Dependencies and Development Tools;T1204.002Malicious File;T1059.004Unix Shell;T1059.006Python;T1059.007JavaScript;T1546.004Unix Shell Configuration Modification;T1543.001Launch Agent;T1543.002Systemd Service;T1547.001Registry Run Keys / Startup Folder;T1098.005Device Registration;T1036.005Match Legitimate Resource Name or Location;T1036.008Masquerade File Type;T1027.009Embedded Payloads;T1027.013Encrypted/Encoded File;T1553.001Gatekeeper Bypass;T1553.002Code Signing;T1055.012Process Hollowing;T1070.004File Deletion;T1555.001Keychain;T1555.003Credentials from Web Browsers;T1555.004Windows Credential Manager;T1552.003Shell History;T1518.001Security Software Discovery;T1550.004Web Session Cookie;T1560.001Archive via Utility;T1071.001Web Protocols;T1102.001Dead Drop Resolver;T1102.002Bidirectional Communication;T1573.001Symmetric Cryptography
CL-STA-0954
- Also tracked as
- UNC5820
- Motive
- Information Theft
- Targeted industries
- Telecommunications, Managed Service Providers
- Targeted regions
- Worldwide
- Attacks / ransomware
- PEERSTITCH
- Targeted CVE
CVE-2025-61624,CVE-2024-47575- Affected product
- Fortinet FortiManager, Fortinet FortiGate, Fortinet FortiOS, Fortinet FortiPAM, Fortinet FortiProxy, Fortinet FortiSwitchManager
- TTPs
TA0001Initial Access;TA0002Execution;TA0003Persistence;TA0004Privilege Escalation;TA0005Defense Evasion;TA0006Credential Access;TA0007Discovery;TA0008Lateral Movement;TA0009Collection;TA0011Command and Control;TA0010Exfiltration;T1190Exploit Public-Facing Application;T1133External Remote Services;T1078Valid Accounts;T1078.003Local Accounts;T1059Command and Scripting Interpreter;T1059.007JavaScript;T1543Create or Modify System Process;T1068Exploitation for Privilege Escalation;T1055Process Injection;T1055.008Ptrace System Calls;T1562Impair Defenses;T1562.001Disable or Modify Tools;T1070Indicator Removal;T1070.002Clear Linux or Mac System Logs;T1070.004File Deletion;T1036Masquerading;T1014Rootkit;T1211Exploitation for Defense Evasion;T1110Brute Force;T1110.002Password Cracking;T1040Network Sniffing;T1552Unsecured Credentials;T1552.001Credentials In Files;T1649Steal or Forge Authentication Certificates;T1046Network Service Discovery;T1021Remote Services;T1005Data from Local System;T1074Data Staged;T1074.001Local Data Staging;T1602Data from Configuration Repository;T1071Application Layer Protocol;T1071.001Web Protocols;T1105Ingress Tool Transfer;T1219Remote Access Tools;T1205Traffic Signaling;T1008Fallback Channels;T1041Exfiltration Over C2 Channel
Recommendations
- 01Security TeamsUse this digest to prioritize the twelve exploited vulnerabilities and block the indicators related to the threat actors UTA0576, TraderTraitor, CL-STA-0954, and malware XMRig, FLATROOF, ROOFDECK, and PEERSTITCH.
- 02Uni5 UsersHivePro Uni5 customers can action this threat digest and get comprehensive insights into their threat exposure on the HivePro Uni5 dashboard by running a scan to discover the assets impacted by the twelve exploited vulnerabilities, and by testing the efficacy of their security controls by simulating attacks related to the threat actors TraderTraitor, CL-STA-0954, and malware FLATROOF and ROOFDECK in Breach and Attack Simulation (BAS).
Indicators of Compromise (IoCs)
| Attack | Type | Value |
|---|---|---|
| XMRig | SHA256 | 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 |
| FLATROOF | SHA256 | 451b586ec9d3c997b319986a1177829653e8ae641c953c05ede6a38616f2da97 |
| ROOFDECK | SHA256 | e1c71374814e5d907afb913108090b8abf21ae2131c0880f013a3b9108a9d0fc |
| PEERSTITCH | SHA256 | b9fb0b27ddd59b58d3ae53c7227298a3e0de1e6f868b9429ae21533bb9cd1e70 |
| PEERSTITCH | IPv4 | 23[.]240[.]77[.]23347[.]18[.]167[.]159 |
| PEERSTITCH | URL | hxxp[:]//23[.]240[.]77[.]233[:]8085/pM.jshxxp[:]//47[.]18[.]167[.]159[:]8085/pM.js |
A comprehensive list of IOCs associated with the executed attacks is available on the Uni5Xposure platform.
Top MITRE ATT&CK TTPs
Threat Advisories
- AhsayCBS Zero-Days Turn MSPs Into Crypto Mines
- Critical NetScaler SAML Flaw Opens Path to Remote Code Execution
- SonicWall SMA 1000 Flaw Turns the Gateway Inward
- Ivanti Connect Secure Zero-Day Hands Attackers Root Without a Login
- Microsoft’s October 2026 Patch Tuesday - Priority Fixes
CVE-2026-76519: Cisco Email Gateway Zero-Day Exploited for Root Access- TraderTraitor Plants Backdoors in the Cloud Engineer's Toolbox
- PAN-OS Management Interface Flaw Exploited for Root-Level Code Execution
- PEERSTITCH: The FortiGate Implant That Hides Inside Trusted Processes
What Next?
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