Malware

SneakyLog

For your environment

Hunt this family in your stack

Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.

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MITRE ATT&CK

Techniques & procedures

9 distinct techniques documented for this family, organized by ATT&CK tactic.

Initial Access

4 techniques

T1078Valid AccountsEvidence2

Kratos gave low-skill criminals the tools to build convincing, Microsoft-themed login pages designed to harvest usernames, passwords and session cookies, allowing attackers to bypass multi-factor authentication and take over victims’ accounts. The BKA said compromised accounts were often used to carry out further crimes.

T1566PhishingEvidence4

инфраструктуру фишинговой платформы Kratos, которая использовалась для кражи аккаунтов Microsoft 365

T1566.001Spearphishing AttachmentEvidence1

On February 10, operators sent tax-themed emails to about 100 organizations... each carrying a W-2 document with a QR code personalized to the recipient that led to a fake Microsoft 365 login.

T1566.003Spearphishing via ServiceEvidence1

...each carrying a W-2 document with a QR code personalized to the recipient that led to a fake Microsoft 365 login.

Persistence

1 technique

T1078Valid AccountsEvidence2

Privilege Escalation

1 technique

T1078Valid AccountsEvidence2

Stealth

1 technique

T1078Valid AccountsEvidence2

Credential Access

5 techniques

T1111Multi-Factor Authentication InterceptionEvidence1

использовалась для кражи аккаунтов Microsoft 365 и обхода многофакторной аутентификации

T1539Steal Web Session CookieEvidence4

перехватывал созданную после входа сессию. В результате злоумышленники получали не только логин и пароль, но и сессионный cookie

T1555Credentials from Password StoresEvidence1

В первом использовалась обычная PHP-страница, которая собирала логины и пароли жертв

T1557Adversary-in-the-MiddleEvidence3

T1649Steal or Forge Authentication CertificatesEvidence1

...a Node.js reverse proxy designed to relay the login to Microsoft in real time and capture the resulting session.

Collection

1 technique

T1557Adversary-in-the-MiddleEvidence3

ACTIVITY FEED

Recent activity

1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

1 SOURCESView more in app

microsoft security blogNews

Mar 19, 2026

When tax season becomes cyberattack season: Phishing and malware campaigns using tax-related lures | Microsoft Security Blog

A phishing-as-a-service platform that mimics Microsoft 365 sign-in pages to harvest credentials and 2FA information.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets match these IOCs, which detections are missing, which campaigns to expect next, and what to do in the next 30 minutes.

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IOC matching

Match every observed IP, domain, and hash against your live telemetry.

Threat actor attribution

Named campaigns wielding this family, with evidence pinned to each claim.

Exploited vulnerabilities

CVEs this family uses for access and lateral movement.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

MITRE ATT&CK mapping9

Every documented technique, ranked by evidence weight.

Researcher chatter

Reddit, Mastodon, and CTI community discussion around this family.

Back to malware

Malware

SneakyLog

For your environment

Hunt this family in your stack

Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.

Start free trial

MITRE ATT&CK

Techniques & procedures

9 distinct techniques documented for this family, organized by ATT&CK tactic.

Initial Access

4 techniques

T1078Valid AccountsEvidence2

T1566PhishingEvidence4

инфраструктуру фишинговой платформы Kratos, которая использовалась для кражи аккаунтов Microsoft 365

T1566.001Spearphishing AttachmentEvidence1

On February 10, operators sent tax-themed emails to about 100 organizations... each carrying a W-2 document with a QR code personalized to the recipient that led to a fake Microsoft 365 login.

T1566.003Spearphishing via ServiceEvidence1

...each carrying a W-2 document with a QR code personalized to the recipient that led to a fake Microsoft 365 login.

Persistence

1 technique

T1078Valid AccountsEvidence2

Privilege Escalation

1 technique

T1078Valid AccountsEvidence2

Stealth

1 technique

T1078Valid AccountsEvidence2

Credential Access

5 techniques

T1111Multi-Factor Authentication InterceptionEvidence1

использовалась для кражи аккаунтов Microsoft 365 и обхода многофакторной аутентификации

T1539Steal Web Session CookieEvidence4

T1555Credentials from Password StoresEvidence1

В первом использовалась обычная PHP-страница, которая собирала логины и пароли жертв

T1557Adversary-in-the-MiddleEvidence3

T1649Steal or Forge Authentication CertificatesEvidence1

...a Node.js reverse proxy designed to relay the login to Microsoft in real time and capture the resulting session.

Collection

1 technique

T1557Adversary-in-the-MiddleEvidence3

ACTIVITY FEED

Recent activity

1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

1 SOURCESView more in app

microsoft security blogNews

Mar 19, 2026

When tax season becomes cyberattack season: Phishing and malware campaigns using tax-related lures | Microsoft Security Blog

A phishing-as-a-service platform that mimics Microsoft 365 sign-in pages to harvest credentials and 2FA information.

What this page doesn’t show

The version that knows your environment.

Start free trial

IOC matching

Match every observed IP, domain, and hash against your live telemetry.

Threat actor attribution

Named campaigns wielding this family, with evidence pinned to each claim.

Exploited vulnerabilities

CVEs this family uses for access and lateral movement.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

MITRE ATT&CK mapping9

Every documented technique, ranked by evidence weight.

Researcher chatter

Reddit, Mastodon, and CTI community discussion around this family.