Emissary has the capability to execute the command net start to interact with services.2
tool
Emissary S0082
- Type
- malware
- Platform
- Windows
- Created
- 31 May 2017
- Last modified
- 2 April 2025
Emissary is a Trojan that has been used by Lotus Blossom. It shares code with Elise, with both Trojans being part of a malware group referred to as LStudio.[1]
15
Techniques66th pct
6
Tactics53rd pct
1
Threat groupunranked
0
CampaignsNone recorded
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S0082
Emissary has the capability to execute the command ipconfig /all.3
A variant of Emissary appends junk data to the end of its DLL file to create a large file that may exceed the maximum size that anti-virus programs can scan.4
Variants of Emissary encrypt payloads using various XOR ciphers, as well as a custom algorithm that uses the "srand" and "rand" functions.56
Emissary injects its DLL file into a newly spawned Internet Explorer process.7
Emissary has the capability to create a remote shell and execute specified commands.8
Standing S0082
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
Techniques1566th pct
66th percentile · 66% of 825 ATT&CK software entries have this many Enterprise techniques or fewer.
Tactics653rd pct
53rd percentile · 53% of 825 ATT&CK software entries have this many tactics spanned or fewer.
Threat group161% 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 / technique30medTop 22%
78th percentile · 78% of 825 ATT&CK software entries have this many detection rules per technique or fewer.
Tests / technique6med
Detection coverage S0082
547 distinct rules cover the 15 techniques recorded for this tool. The 572 technique-to-rule mappings resolve to 547 distinct rules, because one rule can cover several techniques. 388 Sigma · 159 Splunk.
14 covered by at least one rule1 with no coverage547 distinct rules in total
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