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New RC4 Attack Dramatically Reduces Cookie Decryption Time

16

Jul

2015

Two Belgian security researchers from the University of Leuven have driven new nails into the coffin of the RC4 encryption algorithm. A published paper, expected to be delivered at the upcoming USENIX Security Symposium next month in Washington, D.C., describes new attacks against RC4 that allow an attacker to capture a victim’s cookie and decrypt […]

Category Hacker Written by Threatpost 0 Comments

“LNK” Attacks are Back Again

13

Aug

2013

Recently, we observed an attack campaign using link files attached to emails in Japan. We have blogged about threats utilizing link files before and this type of attack is still alive and well. The target of the link is disguised to make it look like it is linking to a text file, tricking the user […]

Category General Written by Symantec Security Response Blog 0 Comments

The Citadel crimeware kit – under the microscope

05

Dec

2012

Ever since the source code of the Zeus crimeware kit, also known as Zbot, was leaked onto the internet in May 2011, many new variants have appeared. These have typically added new features and improved on the old code.One particularly prevalent example is Citadel.At its core, Citadel works like the original Zbot. It comes as […]

Category General Written by Naked Security - Sophos 0 Comments

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Posts Tagged ‘encryption algorithm’

New RC4 Attack Dramatically Reduces Cookie Decryption Time

“LNK” Attacks are Back Again

The Citadel crimeware kit – under the microscope

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