Security Alerts & News
by Tymoteusz A. Góral

History
#565 Researchers help shut down spam botnet that enslaved 4,000 Linux machines
Known as Mumblehard, the botnet was the product of highly skilled developers. It used a custom "packer" to conceal the Perl-based source code that made it run, a backdoor that gave attackers persistent access, and a mail daemon that was able to send large volumes of spam. Command servers that coordinated the compromised machines' operations could also send messages to Spamhaus requesting the delisting of any Mumblehard-based IP addresses that sneaked into the real-time composite blocking list, or CBL, maintained by the anti-spam service.
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#566 Sophisticated bribe scheme helped crooks whitelist malware on Chinese antivirus
#565 Researchers help shut down spam botnet that enslaved 4,000 Linux machines
#564 Every voter in Philippines exposed in mega hack
#563 Over 135 million modems and routers vulnerable to denial-of-service flaw
#562 Symantec: Latest intelligence for march 2016
#561 HTTPS everywhere: encryption for all WordPress.com sites
History
2017: 01 02 03 04 05
2016: 01 02 03 04 05 06 07 08 09 10 11 12