ShimRat has the capability to upload collected files to a C2.2
tool
ShimRat S0444
- Type
- malware
- Platform
- Windows
- Created
- 12 May 2020
- Last modified
- 25 April 2025
ShimRat has been used by the suspected China-based adversary Mofang in campaigns targeting multiple countries and sectors including government, military, critical infrastructure, automobile, and weapons development. The name "ShimRat" comes from the malware's extensive use of Windows Application Shimming to maintain persistence. [1]
21
TechniquesTop 18%
9
TacticsTop 11%
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 S0444
ShimRat has used a secondary C2 location if the first was unavailable.3
ShimRat's loader has been packed with the compressed ShimRat core DLL and the legitimate DLL for it to hijack.4
ShimRat has been delivered as a package that includes compressed DLL and shellcode payloads within a .dat file.5
ShimRat can impersonate Windows services and antivirus products to avoid detection on compromised systems.7
Standing S0444
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
Techniques21Top 18%
82nd percentile · 82% 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 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 / technique20med48th pct
48th percentile · 52% of 825 ATT&CK software entries have more detection rules per technique.
Tests / technique5med
Detection coverage S0444
760 distinct rules cover the 21 techniques recorded for this tool. The 784 technique-to-rule mappings resolve to 760 distinct rules, because one rule can cover several techniques. 523 Sigma · 237 Splunk.
19 covered by at least one rule2 with no coverage760 distinct rules in total
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