Useful Yara rules that I made/use
Documentation: https://virustotal.github.io/yara/
Source code: https://github.com/virustotal/yara
Official download/release: https://github.com/virustotal/yara/releases
Example of using Yara (command line):
yara64 --print-meta --print-strings --print-stats rules\upx.yara apps\app.exe
Personally I use Yara with ImHex (hex editor/viewer) by putting all .yar files in "C:\Program Files\ImHex\yara"
It should look like this when a condition is met (using ImHex):
Documentation: https://github.com/WerWolv/ImHex/wiki/Pattern-Language-Guide
Source code: https://github.com/WerWolv/ImHex
Official download/release: https://github.com/WerWolv/ImHex/releases