# Daily Intelligence Briefing — Tuesday, September 29, 2026

> On 2026-09-29, Threadlinqs published 18 new threat reports and updated 8, 3 rated critical and 19 high, spanning 192 MITRE ATT&CK techniques and 7 named threat actors. Coverage that day added 234 new detection rules and 562 extracted indicators.

- **Edition:** 2026-09-29 (Tuesday)
- **Canonical:** https://intel.threadlinqs.com/debrief/2026-09-29
- **Last updated:** 2026-10-05
- **New threats:** 18 (8 updated)
- **Critical / high:** 3 critical, 19 high, 4 medium, 0 low
- **ATT&CK techniques:** 192
- **Threat actors:** 7
- **Indicators (count only):** 562
- **New detection rules (count only):** 234

## Summary & highlights

Fake American Express "non-compliance" card-lock phishing campaign targets Australians. Hacker-for-Hire Economy: Cyber Mercenaries Offer Account Compromise, Surveillance, Doxxing and DDoS as a Service. PhantomSub: 101 Malicious npm Baileys Forks Force Developers' WhatsApp Accounts into Attacker-Controlled Groups/Channels.

- [TL-2026-2766](https://intel.threadlinqs.com/threat/TL-2026-2766) — Malicious ChatGPT Custom GPT "Plus 5.6" Used in ClickFix Campaign Delivering RAT via DLL Sideloading of Canon and Stardock Binaries
- [TL-2026-2767](https://intel.threadlinqs.com/threat/TL-2026-2767) — OpenSUpdater Malware Hides Reflective Loader Inside Recompiled 7-Zip SFX Installers
- [TL-2026-2768](https://intel.threadlinqs.com/threat/TL-2026-2768) — Arizona Courts Cyberattack: Phishing-Led Intrusion Copies Backup Court Files Including Protective Order Data
- [TL-2026-2773](https://intel.threadlinqs.com/threat/TL-2026-2773) — SilverFox (Yinhu) Fake Software Download Sites Deliver Per-Request Malware Installers and Weaken Windows Defenses
- [TL-2026-2774](https://intel.threadlinqs.com/threat/TL-2026-2774) — AI-Enabled Social Engineering and Synthetic Media (Deepfakes) Undermining Identity Verification

## Theme of the day

Activity centered on account-takeover, american-express, amex.

phishing, credential-theft, social-engineering, unattributed, windows

## Threats published

- [TL-2026-2772](https://intel.threadlinqs.com/threat/TL-2026-2772) — CRITICAL — Multi-Platform Data Exfiltration Across AWS and GitHub via Stolen GitHub Token and Hardcoded AWS Credentials (Wiz Blue Agent Investigation)
- [TL-2026-2690](https://intel.threadlinqs.com/threat/TL-2026-2690) — CRITICAL — Kiteworks Urges Customers to Shut Down Systems After Federal Threat Intelligence Warning of Possible Zero-Day Attack (update)
- [TL-2026-2702](https://intel.threadlinqs.com/threat/TL-2026-2702) — CRITICAL — Kiteworks Urges Customers to Take Systems Offline Amid Suspected Zero-Day Threat (update)
- [TL-2026-2766](https://intel.threadlinqs.com/threat/TL-2026-2766) — HIGH — Malicious ChatGPT Custom GPT "Plus 5.6" Used in ClickFix Campaign Delivering RAT via DLL Sideloading of Canon and Stardock Binaries
- [TL-2026-2767](https://intel.threadlinqs.com/threat/TL-2026-2767) — HIGH — OpenSUpdater Malware Hides Reflective Loader Inside Recompiled 7-Zip SFX Installers
- [TL-2026-2768](https://intel.threadlinqs.com/threat/TL-2026-2768) — HIGH — Arizona Courts Cyberattack: Phishing-Led Intrusion Copies Backup Court Files Including Protective Order Data
- [TL-2026-2773](https://intel.threadlinqs.com/threat/TL-2026-2773) — HIGH — SilverFox (Yinhu) Fake Software Download Sites Deliver Per-Request Malware Installers and Weaken Windows Defenses
- [TL-2026-2774](https://intel.threadlinqs.com/threat/TL-2026-2774) — HIGH — AI-Enabled Social Engineering and Synthetic Media (Deepfakes) Undermining Identity Verification
- [TL-2026-2782](https://intel.threadlinqs.com/threat/TL-2026-2782) — HIGH — North Korea-Linked XCTDH/OmniStealer Campaign Uses Ethereum Transactions (HashHiding) for Covert C2 Signaling
- [TL-2026-2786](https://intel.threadlinqs.com/threat/TL-2026-2786) — HIGH — CVE-2026-50610: Acer System Monitor (NitroSense/PredatorSense) local privilege escalation from standard user to SYSTEM via unauthenticated named pipe registry write
- [TL-2026-2787](https://intel.threadlinqs.com/threat/TL-2026-2787) — HIGH — Star Blizzard (SEABORGIUM) RedFlick technique: scheduled-task backdoor delivery via phishing (CosmicPulse)
- [TL-2026-2788](https://intel.threadlinqs.com/threat/TL-2026-2788) — HIGH — Phishing Campaigns Abuse RMM Tools (MSP360, ScreenConnect) for Persistent Access
- [TL-2026-2793](https://intel.threadlinqs.com/threat/TL-2026-2793) — HIGH — Agentic AI used for post-exploitation in breach of the Dutch Institute for Vulnerability Disclosure (DIVD)
- [TL-2026-2795](https://intel.threadlinqs.com/threat/TL-2026-2795) — HIGH — Star Blizzard (FSB) RedFlick mass-phishing campaigns deliver CosmicPulse backdoor, expanding beyond Ukraine
- [TL-2026-2796](https://intel.threadlinqs.com/threat/TL-2026-2796) — HIGH — Spectre-v2 Branch Target Reuse (BTR) Attack Leaks Linux Kernel Memory Despite Existing Defenses (CVE-2026-64507, CVE-2026-64508)
- [TL-2026-2849](https://intel.threadlinqs.com/threat/TL-2026-2849) — HIGH — Debian Trixie kernel update DSA-6528-1 patches 1,000+ Linux kernel CVEs (privilege escalation, DoS, information leaks)
- [TL-2026-2686](https://intel.threadlinqs.com/threat/TL-2026-2686) — HIGH — x47.c Windows Botnet-as-a-Service Weaponizes xAI Grok for AI-Assisted Persistence and AI API Credit Draining (update)
- [TL-2026-2689](https://intel.threadlinqs.com/threat/TL-2026-2689) — HIGH — CARBONATO Botnet Exploits Exposed Docker Daemons to Deploy AI Agent Framework, Prioritizes AI API Key Theft (update)
- [TL-2026-2733](https://intel.threadlinqs.com/threat/TL-2026-2733) — HIGH — NeedyMantis: Storm-3069 Post-Compromise Modular Malware in Targeted Operations (update)
- [TL-2026-2743](https://intel.threadlinqs.com/threat/TL-2026-2743) — HIGH — RatHat Android RAT: MaaS Consoles Add Gemini AI-Driven Victim Prioritization (update)
- [TL-2026-2764](https://intel.threadlinqs.com/threat/TL-2026-2764) — HIGH — Remcos RAT phishing campaign disguised as project material purchase requests exploits CVE-2017-0199 against Korean companies (update)
- [TL-2026-2765](https://intel.threadlinqs.com/threat/TL-2026-2765) — HIGH — CaptiveCrunch: Midnight Blizzard (Storm-2945) Hospitality Captive-Portal AiTM Campaign (update)
- [TL-2026-2758](https://intel.threadlinqs.com/threat/TL-2026-2758) — MEDIUM — Fake American Express "non-compliance" card-lock phishing campaign targets Australians
- [TL-2026-2770](https://intel.threadlinqs.com/threat/TL-2026-2770) — MEDIUM — Hacker-for-Hire Economy: Cyber Mercenaries Offer Account Compromise, Surveillance, Doxxing and DDoS as a Service
- [TL-2026-2785](https://intel.threadlinqs.com/threat/TL-2026-2785) — MEDIUM — PhantomSub: 101 Malicious npm Baileys Forks Force Developers' WhatsApp Accounts into Attacker-Controlled Groups/Channels
- [TL-2026-2792](https://intel.threadlinqs.com/threat/TL-2026-2792) — MEDIUM — Former US Air Force Members Odimegwu and Mogaji Sentenced Over Phishing-Driven BEC Fraud Ring Targeting 15+ Organizations

## Techniques observed

AML.T0034, [T1003.008](https://intel.threadlinqs.com/technique/T1003.008), [T1005](https://intel.threadlinqs.com/technique/T1005), [T1014](https://intel.threadlinqs.com/technique/T1014), [T1016](https://intel.threadlinqs.com/technique/T1016), [T1018](https://intel.threadlinqs.com/technique/T1018), [T1020](https://intel.threadlinqs.com/technique/T1020), [T1021.002](https://intel.threadlinqs.com/technique/T1021.002), [T1021.004](https://intel.threadlinqs.com/technique/T1021.004), [T1027](https://intel.threadlinqs.com/technique/T1027), [T1027.001](https://intel.threadlinqs.com/technique/T1027.001), [T1027.003](https://intel.threadlinqs.com/technique/T1027.003), [T1027.007](https://intel.threadlinqs.com/technique/T1027.007), [T1027.009](https://intel.threadlinqs.com/technique/T1027.009), [T1027.013](https://intel.threadlinqs.com/technique/T1027.013), [T1033](https://intel.threadlinqs.com/technique/T1033), [T1036](https://intel.threadlinqs.com/technique/T1036), [T1036.001](https://intel.threadlinqs.com/technique/T1036.001), [T1036.004](https://intel.threadlinqs.com/technique/T1036.004), [T1036.005](https://intel.threadlinqs.com/technique/T1036.005), [T1036.008](https://intel.threadlinqs.com/technique/T1036.008), [T1037.004](https://intel.threadlinqs.com/technique/T1037.004), [T1041](https://intel.threadlinqs.com/technique/T1041), [T1046](https://intel.threadlinqs.com/technique/T1046), [T1047](https://intel.threadlinqs.com/technique/T1047), [T1053.003](https://intel.threadlinqs.com/technique/T1053.003), [T1053.005](https://intel.threadlinqs.com/technique/T1053.005), T1053.006, [T1055](https://intel.threadlinqs.com/technique/T1055), [T1055.012](https://intel.threadlinqs.com/technique/T1055.012), [T1056.001](https://intel.threadlinqs.com/technique/T1056.001), [T1057](https://intel.threadlinqs.com/technique/T1057), [T1059](https://intel.threadlinqs.com/technique/T1059), [T1059.001](https://intel.threadlinqs.com/technique/T1059.001), [T1059.003](https://intel.threadlinqs.com/technique/T1059.003), [T1059.004](https://intel.threadlinqs.com/technique/T1059.004), [T1059.006](https://intel.threadlinqs.com/technique/T1059.006), [T1059.007](https://intel.threadlinqs.com/technique/T1059.007), [T1069.002](https://intel.threadlinqs.com/technique/T1069.002), [T1070.004](https://intel.threadlinqs.com/technique/T1070.004), [T1071](https://intel.threadlinqs.com/technique/T1071), [T1071.001](https://intel.threadlinqs.com/technique/T1071.001), [T1071.004](https://intel.threadlinqs.com/technique/T1071.004), [T1078](https://intel.threadlinqs.com/technique/T1078), [T1078.004](https://intel.threadlinqs.com/technique/T1078.004), [T1082](https://intel.threadlinqs.com/technique/T1082), [T1083](https://intel.threadlinqs.com/technique/T1083), [T1087.004](https://intel.threadlinqs.com/technique/T1087.004), [T1090](https://intel.threadlinqs.com/technique/T1090), [T1090.002](https://intel.threadlinqs.com/technique/T1090.002), [T1098.004](https://intel.threadlinqs.com/technique/T1098.004), [T1098.005](https://intel.threadlinqs.com/technique/T1098.005), [T1102.001](https://intel.threadlinqs.com/technique/T1102.001), [T1102.002](https://intel.threadlinqs.com/technique/T1102.002), [T1105](https://intel.threadlinqs.com/technique/T1105), [T1110.003](https://intel.threadlinqs.com/technique/T1110.003), [T1110.004](https://intel.threadlinqs.com/technique/T1110.004), [T1111](https://intel.threadlinqs.com/technique/T1111), [T1112](https://intel.threadlinqs.com/technique/T1112), [T1113](https://intel.threadlinqs.com/technique/T1113), [T1114](https://intel.threadlinqs.com/technique/T1114), [T1114.003](https://intel.threadlinqs.com/technique/T1114.003), [T1119](https://intel.threadlinqs.com/technique/T1119), [T1123](https://intel.threadlinqs.com/technique/T1123), [T1125](https://intel.threadlinqs.com/technique/T1125), [T1129](https://intel.threadlinqs.com/technique/T1129), [T1132.001](https://intel.threadlinqs.com/technique/T1132.001), [T1140](https://intel.threadlinqs.com/technique/T1140), [T1190](https://intel.threadlinqs.com/technique/T1190), [T1195.001](https://intel.threadlinqs.com/technique/T1195.001), [T1195.002](https://intel.threadlinqs.com/technique/T1195.002), [T1202](https://intel.threadlinqs.com/technique/T1202), [T1203](https://intel.threadlinqs.com/technique/T1203), [T1204](https://intel.threadlinqs.com/technique/T1204), [T1204.001](https://intel.threadlinqs.com/technique/T1204.001), [T1204.002](https://intel.threadlinqs.com/technique/T1204.002), [T1204.004](https://intel.threadlinqs.com/technique/T1204.004), [T1212](https://intel.threadlinqs.com/technique/T1212), [T1213.003](https://intel.threadlinqs.com/technique/T1213.003), [T1217](https://intel.threadlinqs.com/technique/T1217), T1218.002, [T1218.005](https://intel.threadlinqs.com/technique/T1218.005), [T1218.007](https://intel.threadlinqs.com/technique/T1218.007), [T1218.011](https://intel.threadlinqs.com/technique/T1218.011), [T1219](https://intel.threadlinqs.com/technique/T1219), T1219.002, T1222.001, [T1222.002](https://intel.threadlinqs.com/technique/T1222.002), [T1406](https://intel.threadlinqs.com/technique/T1406), [T1417.001](https://intel.threadlinqs.com/technique/T1417.001), [T1417.002](https://intel.threadlinqs.com/technique/T1417.002), [T1426](https://intel.threadlinqs.com/technique/T1426), [T1429](https://intel.threadlinqs.com/technique/T1429), T1437.001, T1451, [T1453](https://intel.threadlinqs.com/technique/T1453), [T1482](https://intel.threadlinqs.com/technique/T1482), [T1489](https://intel.threadlinqs.com/technique/T1489), [T1490](https://intel.threadlinqs.com/technique/T1490), [T1496](https://intel.threadlinqs.com/technique/T1496), [T1497.001](https://intel.threadlinqs.com/technique/T1497.001), [T1497.003](https://intel.threadlinqs.com/technique/T1497.003), [T1498.001](https://intel.threadlinqs.com/technique/T1498.001), T1498.002, [T1499.002](https://intel.threadlinqs.com/technique/T1499.002), [T1499.003](https://intel.threadlinqs.com/technique/T1499.003), [T1499.004](https://intel.threadlinqs.com/technique/T1499.004), [T1505.003](https://intel.threadlinqs.com/technique/T1505.003), [T1512](https://intel.threadlinqs.com/technique/T1512), [T1513](https://intel.threadlinqs.com/technique/T1513), [T1516](https://intel.threadlinqs.com/technique/T1516), [T1517](https://intel.threadlinqs.com/technique/T1517), [T1518.001](https://intel.threadlinqs.com/technique/T1518.001), [T1528](https://intel.threadlinqs.com/technique/T1528), [T1539](https://intel.threadlinqs.com/technique/T1539), [T1541](https://intel.threadlinqs.com/technique/T1541), [T1543.002](https://intel.threadlinqs.com/technique/T1543.002), [T1543.003](https://intel.threadlinqs.com/technique/T1543.003), T1544, T1546.012, [T1546.015](https://intel.threadlinqs.com/technique/T1546.015), [T1547.001](https://intel.threadlinqs.com/technique/T1547.001), [T1548.002](https://intel.threadlinqs.com/technique/T1548.002), [T1550.001](https://intel.threadlinqs.com/technique/T1550.001), [T1550.002](https://intel.threadlinqs.com/technique/T1550.002), [T1552.001](https://intel.threadlinqs.com/technique/T1552.001), [T1553.002](https://intel.threadlinqs.com/technique/T1553.002), [T1553.005](https://intel.threadlinqs.com/technique/T1553.005), [T1555.003](https://intel.threadlinqs.com/technique/T1555.003), [T1555.005](https://intel.threadlinqs.com/technique/T1555.005), [T1557](https://intel.threadlinqs.com/technique/T1557), [T1560.001](https://intel.threadlinqs.com/technique/T1560.001), T1560.003, T1562.004, [T1564.001](https://intel.threadlinqs.com/technique/T1564.001), [T1564.003](https://intel.threadlinqs.com/technique/T1564.003), [T1565.002](https://intel.threadlinqs.com/technique/T1565.002), [T1566](https://intel.threadlinqs.com/technique/T1566), [T1566.001](https://intel.threadlinqs.com/technique/T1566.001), [T1566.002](https://intel.threadlinqs.com/technique/T1566.002), [T1566.003](https://intel.threadlinqs.com/technique/T1566.003), [T1566.004](https://intel.threadlinqs.com/technique/T1566.004), [T1567](https://intel.threadlinqs.com/technique/T1567), [T1568](https://intel.threadlinqs.com/technique/T1568), T1568.001, [T1569.002](https://intel.threadlinqs.com/technique/T1569.002), [T1570](https://intel.threadlinqs.com/technique/T1570), [T1571](https://intel.threadlinqs.com/technique/T1571), [T1572](https://intel.threadlinqs.com/technique/T1572), [T1573](https://intel.threadlinqs.com/technique/T1573), [T1573.001](https://intel.threadlinqs.com/technique/T1573.001), [T1573.002](https://intel.threadlinqs.com/technique/T1573.002), [T1574.001](https://intel.threadlinqs.com/technique/T1574.001), T1574.002, T1574.011, T1577, [T1583.001](https://intel.threadlinqs.com/technique/T1583.001), [T1583.006](https://intel.threadlinqs.com/technique/T1583.006), [T1583.008](https://intel.threadlinqs.com/technique/T1583.008), [T1584](https://intel.threadlinqs.com/technique/T1584), [T1584.008](https://intel.threadlinqs.com/technique/T1584.008), [T1585.001](https://intel.threadlinqs.com/technique/T1585.001), [T1586.002](https://intel.threadlinqs.com/technique/T1586.002), [T1588.005](https://intel.threadlinqs.com/technique/T1588.005), [T1588.007](https://intel.threadlinqs.com/technique/T1588.007), [T1589](https://intel.threadlinqs.com/technique/T1589), [T1589.001](https://intel.threadlinqs.com/technique/T1589.001), [T1595.002](https://intel.threadlinqs.com/technique/T1595.002), [T1598](https://intel.threadlinqs.com/technique/T1598), [T1598.003](https://intel.threadlinqs.com/technique/T1598.003), [T1608.005](https://intel.threadlinqs.com/technique/T1608.005), [T1609](https://intel.threadlinqs.com/technique/T1609), [T1610](https://intel.threadlinqs.com/technique/T1610), [T1611](https://intel.threadlinqs.com/technique/T1611), [T1620](https://intel.threadlinqs.com/technique/T1620), [T1622](https://intel.threadlinqs.com/technique/T1622), T1623.001, [T1626](https://intel.threadlinqs.com/technique/T1626), T1629.001, T1633, [T1636.003](https://intel.threadlinqs.com/technique/T1636.003), [T1636.004](https://intel.threadlinqs.com/technique/T1636.004), T1651, [T1655](https://intel.threadlinqs.com/technique/T1655), T1655.001, [T1657](https://intel.threadlinqs.com/technique/T1657), [T1660](https://intel.threadlinqs.com/technique/T1660), T1663, [T1684.001](https://intel.threadlinqs.com/technique/T1684.001), T1684.002, [T1685](https://intel.threadlinqs.com/technique/T1685), [T1685.005](https://intel.threadlinqs.com/technique/T1685.005)

## Threat actors

[Chijioke Timothy Odimegwu](https://intel.threadlinqs.com/actor/Chijioke%20Timothy%20Odimegwu), [Void Arachne](https://intel.threadlinqs.com/actor/Void%20Arachne), [Contagious Interview](https://intel.threadlinqs.com/actor/Contagious%20Interview), [Star Blizzard](https://intel.threadlinqs.com/actor/Star%20Blizzard), [WraithTools](https://intel.threadlinqs.com/actor/WraithTools), [Storm-3069](https://intel.threadlinqs.com/actor/Storm-3069), [UNC2452](https://intel.threadlinqs.com/actor/UNC2452)

Nation-state attribution: North Korea, Russia, Costa Rica, China (suspected; Microsoft has not formally attributed Storm-3069 to a Chinese nation-state actor), China

Threat categories: PHISHING, THREAT_INTEL, SUPPLY_CHAIN, MALWARE, DATA_BREACH, VULNERABILITY, APT, ZERO_DAY

## Severity breakdown

- critical: 3
- high: 19
- medium: 4
- low: 0

## Indicator & detection coverage

Counts only; indicator values require Red and above, detection rule text requires Blue and above.

- Indicators of compromise: 562 (network 173, file 155, entity 66, infrastructure 41, malware 40, behavioral 37, tool 27, package 23)
- New detection rules: 234 (100% of the day’s threats covered)

## More editions

- Previous: [2026-09-28](https://intel.threadlinqs.com/debrief/2026-09-28)
- Next: [2026-09-30](https://intel.threadlinqs.com/debrief/2026-09-30)
- [Archive of daily debriefs](https://intel.threadlinqs.com/debrief/archive)
- [Latest debrief](https://intel.threadlinqs.com/debrief)

Canonical: https://intel.threadlinqs.com/debrief/2026-09-29