tool
SslMM S0058
- Type
- malware
- Platform
- Windows
- Created
- 31 May 2017
- Last modified
- 25 April 2025
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S0058
To establish persistence, SslMM identifies the Start Menu Startup directory and drops a link to its own executable disguised as an “Office Start,” “Yahoo Talk,” “MSN Gaming Z0ne,” or “MSN Talk” shortcut.4
SslMM creates a new thread implementing a keylogging facility using Windows Keyboard Accelerators.5
SslMM sends information to its hard-coded C2, including OS version, service pack information, processor speed, system name, and OS install date.6
SslMM contains a feature to manipulate process privileges and tokens.7
Standing S0058
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
44th percentile · 56% of 825 ATT&CK software entries have more Enterprise techniques.
80th percentile · 80% of 825 ATT&CK software entries have this many tactics spanned or fewer.
61% of the population shares a single value across only 22 distinct values, so a percentile here would rank the tie, not the entity.
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
68th percentile · 68% of 825 ATT&CK software entries have this many detection rules per technique or fewer.
Detection coverage S0058
475 distinct rules cover the 9 techniques recorded for this tool. The 482 technique-to-rule mappings resolve to 475 distinct rules, because one rule can cover several techniques. 303 Sigma · 172 Splunk.
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