Applied Cybernetics Group
Threat intel → detection pipeline
Friday, September 18, 2026
Data as of 13:09 UTC

Morning Brief — 2026-09-15

4 material breach disclosures, 1 federal patching priority, 10 emerging critical cves, 3 supply chain, 55 ransomware activity, 794 ioc volume, 16 active malware families, 1 multi-source iocs, 2 intel feeds, 18 hand-authored sigma, and 18 detection gaps. Sections with no signal are still rendered with an explicit “none in this window” note so absence is visible alongside presence.

Material Breach Disclosures

Nutex Health Inc. (NUTX)

Forward-Looking StatementsCertain statements and information included in this press release constitute “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. When used in this press release, the words or phrases “will,” “will likely result,” “expected to,” “will continue,” “anticipated,” “estimate,” “projected,” “intend,” “goal,” or similar express…

BOSTON SCIENTIFIC CORP (BSX)

As previously disclosed in a Current Report on Form 8-K filed on August 26, 2026 with the Securities and Exchange Commission, on August 25, 2026, Boston Scientific Corporation (the “Company”) identified a cybersecurity incident that affected certain of its information technology systems and resulted in a global disruption to the Company’s operations. Upon detection, the Company activated its incid…

Park Dental Partners, Inc. (PARK)

On August 28, 2026, Park Dental Partners, Inc. (“we” or the “Company”) identified unauthorized access to its computer network. The Company promptly initiated its incident response protocols, and engaged its external cybersecurity and forensic specialists. The Company is continuing to investigate the nature and scope of this incident, including the scope of any compromise of personal or protected h…

NovoCure Ltd (NVCR)

Forward-Looking StatementsIn addition to historical facts or statements of current condition, this press release may contain forward-looking statements. Forward-looking statements provide Novocure’s current expectations or forecasts of future events. These may include statements regarding anticipated scientific progress on its research programs, clinical study progress, development of potential pr…

Federal Patching Priority

CVE-2026-76461 — Cisco Secure Email Gateway

Cisco Secure Email Gateway SQL Injection Vulnerability

Cisco AsyncOS software for Cisco Secure Email Gateway (SEG) contains a SQL injection vulnerability that could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system.

A vulnerability in the email parsing of Cisco AsyncOS Software for Cisco Secure Email Gateway could allow an unauthenticated, remote attacker to execute arbitrary commands with root privileges on the underlying operating system. This vulnerability is due to insufficient validation in the email parsing logic. An attacker could exploit this vulnerability by sending a crafted email message that…

Exploit Probability Movers

No CVEs with ≥0.20 EPSS movement in this window.

Emerging Critical CVEs

Supply Chain

GHSA-vrh8-c9cm-wh8v · CVE-2026-56668 (go)

ZITADEL: Unauthorized Token Privilege Escalation in OAuth2 Token Exchange

GHSA-rrxg-g2pf-6hh4 · CVE-2026-59178 (pip)

ESPHome Device Builder: Renamed auth env vars silently disable dashboard authentication on upgrade

Exploitation evidence, 7-day window (severity-agnostic — evidence trumps labels):

Ransomware Activity

55 new victim postings across 14 groups.

GroupVictimsSample
thegentlemen30ACA Pescara, Hattiesburg Eye Clinic, Indic, Aurora Technologies, Goteborgsregion…
qilin6Geieg, Foremost Mfg, Winston Contracting, LLC, RoadEx America, Minmer Global, Vi…
lockbit53tpi.tw, comune.robeccosulnaviglio.mi.it, httoy.fi
Booba Project2Mestechkin Law Group P.C., Atlas Ocean Voyages
Eclipse2Dublin City Schools GA, Rosello et Fils
chaos2glasfloss.com, steelhausinc.com
genesis2Bernath & Rosenberg, Dorfman Abrams Music, P.C
insomnia2Metropolitan Community Health Services, Massey, Stotser & Nichols
AuditTeam1Ne***ox
Panzer1Honda (Peru)
ShadowByt3$1HandyTrac (Greystar Litchfield Park, AZ)
anubis1Better Accounting Solutions
iah64771veritiv
unsafe1geekybunch.com

IOC Volume

794 new IOCs in this window. By source:

SourceCount
urlhaus794

Recent OSINT Events

No curated MISP events in this window (bulk-IOC contributions tallied in IOC Volume).

Active Malware Families

16 malware families active this week (0 corroborated across ≥2 sources), exercising 19 ATT&CK techniques. Family is the unit, not the indicator: the raw IOCs are drill-down evidence below, not the signal.

FamilyTypeCorrob.IOCsTechniques (✗ = coverage gap)
Miraibotnet1,301T1110, T1498, T1499, T1584.005
ClickFixdelivery →29T1059.001, T1204
ConnectWise ScreenConnect (abuse)rmm-abuse26T1219
AgentTeslastealer24T1056.001, T1071, T1114, T1555
ACRStealerstealer12T1005, T1071, T1555
CoinMinerminer10T1496
AMOS (Atomic macOS Stealer)stealer8T1005, T1056.002, T1071, T1555.001
DDoSAgentddos6T1498, T1499
MassLoggerstealer6T1056.001, T1071, T1555
Amadeyloader →5T1071, T1105, T1547
GuLoaderloader →4T1027, T1071, T1105
Stealcstealer4T1005, T1071, T1555
Formbookstealer3T1005, T1056.001, T1071, T1555
SilverFoxrat2T1059, T1071, T1219
PureLogsStealerstealer1T1005, T1071, T1555
XWormrat1T1056.001, T1071

Families marked ”→” are delivery/social-engineering clusters (ClickFix, Amadey, GuLoader). Their technique mappings are the delivery chain — downstream behavior is payload-dependent, so they don’t open a hard coverage gap on their own.

Multi-Source IOCs

1 IOC flagged by 2+ independent sources this window — the highest-confidence signal the cross-feed corpus produces.

IOCTypeSourcesLast seen
38.55.99.215ip-srcmisp + urlhaus2026-09-15

MISP × KEV Correlation

No MISP events in this window referenced a CVE.

Cross-Reference

No SEC × KEV vendor token matches in this window. (This is a heuristic surface, absence is expected most days.)

Intel Feeds

2 IOC feeds updated this run (3,135 indicators total) — each available as CSV, MISP JSON, and STIX 2.1. Subscribe at https://thrunt.me/intel/manifest.json.

FeedSourceTypeCountDownloads
URLhaus — Malware Distribution URLsurlhausurl3,016CSV · MISP · STIX
URLhaus — Malware Distribution Domainsurlhausdomain119CSV · MISP · STIX

Hand-Authored Sigma

16 production-ready TTP rules (+2 scaffolds in the authoring queue) live at https://thrunt.me/sigma/manifest.json. Subscribe via https://thrunt.me/sigma/rules.lock.json (content-hash churn) or pull all with https://thrunt.me/sigma/rules.tar.gz.

RuleStatusYAML
T1037 Boot or Logon Initialization Scripts — Linux Init Script Modificationexperimentalhttps://thrunt.me/sigma/t1037-linux-init-script-modification.yml
T1055 Process Injection — Rundll32 Spawning Explorer as an Injection Hostexperimentalhttps://thrunt.me/sigma/t1055-rundll32-spawning-explorer-injection.yml
T1071.004 DNS-over-HTTPS Resolution from a Non-Browser Processexperimentalhttps://thrunt.me/sigma/t1071-004-doh-resolver-non-browser-c2.yml
T1098.004 Account Manipulation — SSH Authorized Keys File Modificationexperimentalhttps://thrunt.me/sigma/t1098-004-ssh-authorized-keys-write.yml
T1098.005 Okta Verify Enrollment from a Hypervisor Guestexperimentalhttps://thrunt.me/sigma/t1098-005-hypervisor-mfa-device-enrollment.yml
T1102.001 Dead Drop Resolver — EtherHiding Payload Retrieval from BNB Smart Chain Testnetexperimentalhttps://thrunt.me/sigma/t1102-001-etherhiding-bsc-testnet-dead-drop.yml
T1195.002 Compromise Software Supply Chain — Malicious Google Tag Manager Containerexperimentalhttps://thrunt.me/sigma/t1195-002-unapproved-gtm-container-injection.yml
T1204.004 Malicious Copy and Paste — ClickFix macOS Terminal Executionexperimentalhttps://thrunt.me/sigma/t1204-004-clickfix-macos-terminal-execution.yml
T1204.004 Malicious Copy and Paste — ClickFix Run Dialog Executionexperimentalhttps://thrunt.me/sigma/t1204-004-clickfix-run-dialog-execution.yml
T1557 Okta Authentication or MFA via a Remote-Desktop / Proxy / Tor Tunnelexperimentalhttps://thrunt.me/sigma/t1557-aitm-cross-asn-session-mfa.yml
T1557 Claims Kit First-Party Exfil — X-Enc Single-Letter C2experimentalhttps://thrunt.me/sigma/t1557-claims-kit-single-letter-c2-xenc.yml
T1557 Okta Verify SVG Asset Served by a Non-Okta Hostexperimentalhttps://thrunt.me/sigma/t1557-non-okta-host-oktaverify-svg.yml
T1557 reCAPTCHA-Skinned Cloudflare Turnstile Gateexperimentalhttps://thrunt.me/sigma/t1557-recaptcha-skinned-turnstile-gate.yml
T1566.002 Spearphishing Link — Luxembourg Hospitality SMS Phishing Campaignexperimentalhttps://thrunt.me/sigma/t1566-002-luxembourg-hospitality-sms-phish.yml
T1574.002 DLL Side-Loading — Signed javac.exe Loading jli.dll from a User-Writable Pathexperimentalhttps://thrunt.me/sigma/t1574-002-signed-javac-sideload-jli.yml
T1583.001 Resolution of a ShinyHunters .claims Impersonation Domainexperimentalhttps://thrunt.me/sigma/t1583-001-claims-registration-conjunction.yml
T1003.008 OS Credential Dumping — /etc/shadow and /etc/gshadow Accessdrafthttps://thrunt.meundefined
T1530 Data from Cloud Storage — Detectiondrafthttps://thrunt.meundefined

Detection Gaps

18 of 160 techniques with corpus signal have zero detection coverage — no SigmaHQ community rule, no thrunt rule. This is the hand-authoring queue; the live view is at https://thrunt.me/corpus/attck/.

TechniqueNameActive familiesMISPKEV
T1011Exfiltration Over Other Network Medium04
T1497Virtualization/Sandbox Evasion04
T1573.001Symmetric Cryptography13
T156203
T1001Data Obfuscation02
T1499.002Service Exhaustion Flood02
T1530Data from Cloud Storage02
T1562.00102
T1003.008/etc/passwd and /etc/shadow01
T1070.00101

…and 8 more below the cut — full list on the rollup.

Pipeline Health

All feeds healthy.


Sources: SEC EDGAR (public domain), CISA Known Exploited Vulnerabilities (public domain), FIRST.org EPSS (per ToS), NIST NVD (public domain), GitHub Security Advisories (per ToS), abuse.ch URLhaus (CC0, attribution), ransomware.live (per ToS), MITRE ATT&CK (CC BY 4.0).

Published by Applied Cybernetics Group via thrunt.me. Heuristic cross-references are labelled as such; verify before action.