What is shingled magnetic recording (SMR)? Shingled magnetic recording (SMR) is a technique for writing data to a hard disk drive (HDD) whereby the data tracks partially overlap to increase the areal density and overall storage capacity per disk. In SMR HDDs, the term derives from the manner in which shingles are installed on a […]
When writing contents of the files, WinRAR performs path normalization that removes appended spaces, because Windows doesn’t allow files with trailing spaces. Finally, WinRAR calls ShellExecuteExW, passing the non-normalized path with a trailing space “%TEMP%{random_directory}poc.png_” to run the user-selected file. Internally, ShellExecute attempts to identify file extensions by calling “shell32!PathFindExtension” which fails because extensions with […]