Miasma

Also known asMiasma

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OPERATIONAL PROFILE

Targeting

Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.

Who they target

Sectors the actor has been observed targeting.

Software & Services

MITRE ATT&CK

Tradecraft

17 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.

9 of 15 tactics25 techniques×N= number of intelligence reports citing this technique

MITRE ATT&CK

TA0001

Initial Access

2 techniques

T1078

Valid Accounts

T1195×2

Supply Chain Compromise

T1195.001

Compromise Software Dependencies and Development Tools

TA0002

Execution

3 techniques

T1053

Scheduled Task/Job

T1059

Command and Scripting Interpreter

T1059.007

JavaScript

T1574

Hijack Execution Flow

TA0003

Persistence

2 techniques

T1053

Scheduled Task/Job

T1078

Valid Accounts

TA0004

Privilege Escalation

2 techniques

T1053

Scheduled Task/Job

T1078

Valid Accounts

TA0005

Stealth

4 techniques

T1027

Obfuscated Files or Information

T1070

Indicator Removal

T1070.006

Timestomp

T1078

Valid Accounts

T1574

Hijack Execution Flow

TA0006

Credential Access

3 techniques

T1552

Unsecured Credentials

T1552.001

Credentials In Files

T1552.003

Shell History

T1552.005

Cloud Instance Metadata API

T1555×2

Credentials from Password Stores

T1649

Steal or Forge Authentication Certificates

TA0008

Lateral Movement

1 technique

T1021

Remote Services

TA0011

Command and Control

1 technique

T1105

Ingress Tool Transfer

TA0010

Exfiltration

1 technique

T1567

Exfiltration Over Web Service

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

the hacker newsNews

Jun 6, 2026

Miasma Worm Hits 73 Microsoft GitHub Repositories in Major Supply Chain Attack

Conducting a self-replicating software supply chain campaign that compromises GitHub repositories and packages, steals secrets/credentials, republishes malicious code through legitimate maintainer channels, and propagates downstream via infected repositories and developer tooling.

What this page doesn’t show

The version that knows your environment.

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Target overlap

Match sector + geo + tech-stack targeting against your real footprint.

Tradecraft mapping17

Every observed MITRE ATT&CK technique, grouped by tactic.

Malware arsenal

Families this actor is known to deploy, with IOCs and behavior.

Exploited CVEs

CVEs this actor has used in known campaigns.

Detection signatures

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

Observables

Domains, IPs, and hashes tied to this actor, refreshed continuously.