AsyncRAT can enumerate the NetBIOS name on targeted machines.4
tool
AsyncRAT S1087
- Type
- tool
- Platform
- Windows
- Created
- 20 September 2023
- Last modified
- 12 May 2026
AsyncRAT is an open-source remote access tool originally available through the NYANxCAT Github repository that has been used in malicious campaigns.[1][2][3]
20
TechniquesTop 20%
9
TacticsTop 11%
2
Threat groupsunranked
1
Campaignunranked
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S1087
Standing S1087
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
Techniques20Top 20%
80th percentile · 80% of 825 ATT&CK software entries have this many Enterprise techniques or fewer.
Tactics9Top 11%
89th percentile · 89% of 825 ATT&CK software entries have this many tactics spanned or fewer.
Threat groups261% 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.
Campaign185% 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 / technique10.5medBottom 16%
16th percentile · 84% of 825 ATT&CK software entries have more detection rules per technique.
Tests / technique6med
Detection coverage S1087
510 distinct rules cover the 20 techniques recorded for this tool. The 537 technique-to-rule mappings resolve to 510 distinct rules, because one rule can cover several techniques. 331 Sigma · 179 Splunk.
19 covered by at least one rule1 with no coverage510 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