Bulk renaming in a single pass with Go
- NameChanger helps you rename a list of files quickly and easily. See the changes as you type. Change names by Replace First Occurrence, Replace Last Occurrence, Replace All, Wildcard, Prepend.
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Renaming multiple files following a pattern often requires small shell scripts. Mike Schilli looks to simplify this task with a Go program.
One popular interview question for system administrators is what is the easiest way to give a set of files a new extension. Take a directory of *.log files, for example: How do you rename them all in one go to *.log.old? It has reportedly happened that candidates suggested the shell command mv *.log *.log.old for this – however, they were then not hired.
There are already quite a few tools lurking around on GitHub that handle such tasks, such as the Renamer tool written in Rust [1]. But such simple utilities make for great illustrative examples, so I wanted to explore some Go techniques for bulk renaming. Paying tribute to the original, the Go variant presented below will also go by the name of Renamer. For example, to rename an entire set of logfiles ending in .log to .log.bak, just use the call shown in line 1 of Listing 1.
Or how about renaming vacation photos currently named IMG_8858.JPG through IMG_9091.JPG to hawaii-2020-0001.jpg through hawaii-2020-0234.jpg? My Go program does that too with the call from line 4, replacing the placeholder {seq} with a counter incremented by one for each renamed file, which it pads with leading zeros to four digits.
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NameChanger Description
PC security researchers have received reports of a rogue security program's family that is characterized by the fact that it has a very large number of aliases. More than two hundred variants in the NameChanger family of rogue security programs exist currently, with countless others likely to appear in the future. The NameChanger family of threats is a family of fake security programs that are also known as Tritax. Due to some of the aliases used by NameChanger rogue security programs, they are often confused with other rogue security software families like FakeVimes and FakeDef. NameChanger is distributed using social engineering techniques that often include legitimate, high profile websites that have been compromised in order to distribute this threat. In many cases, these threats are distributed using compromised advertisement networks, inserting corrupted advertisements designed to distribute rogue security software under the disguise of a 'free threat scan.'
The NameChanger Variants Adapt Their Names to the Operating System Used on the PC
Threats in the NameChanger family have been around since at least Spring of 2009. There are three main variants in the NameChanger family of threats, often labeled as NameChanger.A, NameChanger.B and NameChanger.C. These threats have become dubbed NameChanger because they amount in more than two hundred different names used by these infections. In general, rogue security programs like the NameChanger variants can be differentiated from legitimate security programs because they may be installed automatically and may seriously interfere with the affected computer's normal operations.
A Quick Look into the NameChanger Variants
Namechanger Free Fire
Lack of fusion. The first NameChanger variant, NameChanger.A, first appeared in Fall of 2010. Since then, NameChanger has used about 52 different names. Some of the NameChanger variants that belong to the NameChanger.A category include Privacy Guard 2010, Windows Health Center, Windows Simple Protector, Windows Troublemakers Agent and Windows Remedy. The second NameChanger variant, NameChanger.B, has about 30 different variants, including programs like Windows Repairing System, Windows Oversight Center and Windows Inspection Utility. The third NameChanger variant, NameChanger.C, has about 138 members so far, including fake security programs like Windows PRO Scanner, Windows Protection Master and Windows Threats Destroyer.