FinFisher queries Registry values as part of its anti-sandbox checks.67
tool
FinFisher S0182
- Type
- malware
- Platforms
- Windows, Android
- Created
- 16 January 2018
- Last modified
- 12 September 2024
FinFisher is a government-grade commercial surveillance spyware reportedly sold exclusively to government agencies for use in targeted and lawful criminal investigations. It is heavily obfuscated and uses multiple anti-analysis techniques. It has other variants including Wingbird. [1] [2] [3] [4] [5]
22
TechniquesTop 16%
8
TacticsTop 20%
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 S0182
FinFisher is heavily obfuscated in many ways, including through the use of spaghetti code in its functions in an effort to confuse disassembly programs. It also uses a custom XOR algorithm to obfuscate code.89
FinFisher contains junk code in its functions in an effort to confuse disassembly programs.1213
FinFisher renames one of its .dll files to uxtheme.dll in an apparent attempt to masquerade as a legitimate file.1415
FinFisher injects itself into various processes depending on whether it is low integrity or high integrity.1617
Standing S0182
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
Techniques22Top 16%
84th percentile · 84% of 825 ATT&CK software entries have this many Enterprise techniques or fewer.
Tactics8Top 20%
80th percentile · 80% 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 / technique15med34th pct
34th percentile · 66% of 825 ATT&CK software entries have more detection rules per technique.
Tests / technique6.5med
Detection coverage S0182
640 distinct rules cover the 22 techniques recorded for this tool. The 662 technique-to-rule mappings resolve to 640 distinct rules, because one rule can cover several techniques. 500 Sigma · 140 Splunk.
19 covered by at least one rule3 with no coverage640 distinct rules in total
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