GlassWorm has collected local data from a compromised host to include desktop cryptocurrency wallet data, and documents from within Desktop, Documents, and Downloads.12
tool
GlassWorm S9010
- Type
- malware
- Platforms
- macOS, Windows
- Created
- 10 April 2026
- Last modified
- 24 April 2026
GlassWorm is a worm that propagated through supply chain attacks by compromising repository credentials from victim environments and having malicious payloads added to those compromised accounts for distribution to victims across the various development ecosystems.[1][2][3] GlassWorm has numerous variants, including Rust binaries, encrypted JavaScript and a variant leveraging invisible Unicode characters that made reverse engineering difficult.[4][1][5] GlassWorm has employed a unique command and control (C2) methodology using Solana blockchain.[6][1] GlassWorm was first reported in October 2025.[6][1][3]
36
TechniquesTop 4%
10
TacticsTop 6%
0
Threat groupsNone recorded
0
CampaignsNone recorded
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S9010
GlassWorm has leveraged AES-256-CBC encryption to obfuscate its malicious JavaScript payload.15161718 GlassWorm has also utilized Base64 encoding to obfuscate the C2 details stored in the Solana memo field.151618
GlassWorm has utilized invisible Unicode Private Use Area (PUA) characters to obfuscate its malicious code so that it does not render in code editors.222324
GlassWorm has masqueraded as legitimate VSCode extensions.2526 GlassWorm has also impersonated Github projects.25
GlassWorm has utilized AppleScript to include set keychainPassword to do shell script to execute shell command that retrieves passwords from the macOS keychain.28
Standing S9010
Reach is how much of ATT&CK this tool touches. Coverage is how well defended each thing it does is, as a median per technique rather than a total — a total would just restate the reach. Each figure is ranked against all 825 ATT&CK software entries only where that population actually spreads. Where most of the population shares one value, a percentile would rank the tie instead of the entity, so the raw value is shown and no rank is claimed.
Reach
Techniques36Top 4%
96th percentile · 96% of 825 ATT&CK software entries have this many Enterprise techniques or fewer.
Tactics10Top 6%
94th percentile · 94% of 825 ATT&CK software entries have this many tactics spanned or fewer.
Threat groups061% tie · 22 values
61% of the population shares a single value across only 22 distinct values, so a percentile here would rank the tie, not the entity.
Campaigns085% tie · 8 values
85% of the population shares a single value across only 8 distinct values, so a percentile here would rank the tie, not the entity.
Coverage
Rules / technique5medBottom 6%
6th percentile · 94% of 825 ATT&CK software entries have more detection rules per technique.
Tests / technique3med
Detection coverage S9010
519 distinct rules cover the 36 techniques recorded for this tool. The 550 technique-to-rule mappings resolve to 519 distinct rules, because one rule can cover several techniques. 381 Sigma · 138 Splunk.
30 covered by at least one rule6 with no coverage519 distinct rules in total
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© 2026 The MITRE Corporation. ATT&CK® and D3FEND™ data reproduced with permission. SigmaHQ detection rules licensed under DRL 1.1. attack.mitre.org · d3fend.mitre.org · CAR analytics licensed under Apache 2.0 · car.mitre.org