Storm-1811

Signals

NVD · CVE-2026-7726 · 6.5 · The Layouts for WPBakery plugin for WordPress is vulnerable to unauthorized actions due to a missing capability check on the `Layouts_WPB_Remote::template_sync(NVD · CVE-2026-7693 · 7.2 · The Backup Migration plugin for WordPress is vulnerable to OS Command Injection in all versions up to, and including, 2.1.5.1 due to insufficient sanitization oNVD · CVE-2026-7520 · 8.1 · The MailChimp Forms by MailMunch plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `sign_in()` anNVD · CVE-2026-7444 · 8.1 · The Search Analytics for WP plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.4.16. This is due to missinCISA KEV · CVE-2026-18556 · 7.4 · N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability · Added 2026-08-04 · Due 2026-08-07CISA KEV · CVE-2026-34486 · 7.5 · Apache Tomcat Missing Encryption of Sensitive Data Vulnerability · Added 2026-08-04 · Due 2026-08-07NVD · CVE-2026-7726 · 6.5 · The Layouts for WPBakery plugin for WordPress is vulnerable to unauthorized actions due to a missing capability check on the `Layouts_WPB_Remote::template_sync(NVD · CVE-2026-7693 · 7.2 · The Backup Migration plugin for WordPress is vulnerable to OS Command Injection in all versions up to, and including, 2.1.5.1 due to insufficient sanitization oNVD · CVE-2026-7520 · 8.1 · The MailChimp Forms by MailMunch plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `sign_in()` anNVD · CVE-2026-7444 · 8.1 · The Search Analytics for WP plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.4.16. This is due to missinCISA KEV · CVE-2026-18556 · 7.4 · N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability · Added 2026-08-04 · Due 2026-08-07CISA KEV · CVE-2026-34486 · 7.5 · Apache Tomcat Missing Encryption of Sensitive Data Vulnerability · Added 2026-08-04 · Due 2026-08-07

Threat Actors · Storm-1811

· ATT&CK GroupG1046

Techniques

Software

Tactics

Aliases

Description

Storm-1811 is a financially-motivated entity linked to Black Basta ransomware deployment. Storm-1811 is notable for unique phishing and social engineering mechanisms for initial access, such as overloading victim email inboxes with non-malicious spam to prompt a fake "help desk" interaction leading to the deployment of adversary tools and capabilities.(Citation: Microsoft Storm-1811 2024)(Citation: rapid7-email-bombing)(Citation: RedCanary Storm-1811 2024)(Citation: RedCanary June Insights 2024)

Tactic Coverage

stealth (7)execution (4)lateral movement (3)discovery (3)initial access (3)resource development (3)collection (2)command and control (2)impact (2)exfiltration (1)credential access (1)defense impairment (1)persistence (1)privilege escalation (1)

Techniques Used (31)

T1021.002SMB/Windows Admin Shares

lateral movement

T1021.004SSH

lateral movement

T1027.013Encrypted/Encoded File

stealth

T1033System Owner/User Discovery

discovery

T1036Masquerading

stealth

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Software Used (7)

S0190BITSAdmintool S1070Black Bastamalware S0154Cobalt Strikemalware S0357Impackettool S0029PsExectool S0650QakBotmalware S1209Quick Assisttool

References (5)

https://attack.mitre.org/groups/G1046 https://www.microsoft.com/en-us/security/blog/2024/05/15/threat-actors-misusing-quick-assist-in-social-engineering-attacks-leading-to-ransomware/https://redcanary.com/blog/threat-intelligence/storm-1811-black-basta/https://redcanary.com/blog/threat-intelligence/intelligence-insights-june-2024/https://www.rapid7.com/blog/post/2024/05/10/ongoing-social-engineering-campaign-linked-to-black-basta-ransomware-operators