One of the first things a malware analyst does when encountering a suspicious executable file is to extract the text strings found inside it, because they can provide immediate clues about its purpose. This operation has long been considered safe, but it can actually lead to a system compromise, a security researcher found.. String extraction is typically done using a Linux command-line tool called strings that. Utilizing the 'strings' utility for data handling could potentially open vulnerabilities, alerting security experts to possible threats from malicious software.. Malware Analysis, Strings Tool, Security Research, Executable Files, System Risk. . LinuxSecurity.com Team
Forty-five percent of the executable files downloaded through Kazaa, the most popular file-sharing program, contain malicious code like viruses and Trojan horses, according to a new study. Out of 4,778 files downloaded in one month, Bruce Hughes, director of malicious code research at security firm TruSecure, found that nearly half of them contained various types of nefarious code. . . .. Forty-five percent of the executable files downloaded through Kazaa, the most popular file-sharing program, contain malicious code like viruses and Trojan horses, according to a new study. Out of 4,778 files downloaded in one month, Bruce Hughes, director of malicious code research at security firm TruSecure, found that nearly half of them contained various types of nefarious code. Some code was designed to infect every file in a computer user's Kazaa download directory with a virus. Other code would steal the user's AOL Instant Messenger password or install a program on their computer to allow the attacker to surreptitiously send spam through it or otherwise take over the machine remotely to steal personal data and files on the computer. Hughes said the code he found in shared files got there in one of three ways: The person hosting the shared file embedded the malicious code in a file on purpose; the code was a peer-to-peer worm designed to scour the network and drop itself into download directories; or, in the case of some viruses, once the user downloaded an infected file, the malicious code automatically infected other files in the user's file-share directory so that the user inadvertently infected the computers of other users who downloaded those files. Some 3 million users are logged onto Kazaa at any one time. Hughes said this has made the file-sharing network increasingly attractive as a channel for distributing malware. The link for this article located at Wired.com is no longer available. . Numerous LimeWire files conceal harmful software, with 50% of applications compromised, jeopardizing user safety anddevice integrity.. Kazaa Downloads, Malware Risks, Executable Files, Data Theft, File Sharing Security. . Anthony Pell
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