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Posts Tagged ‘Obfuscation’

Pharma Spammers Brandjack YouTube

03
Jun
2011

Spam messages promoting pharmaceutical products have been perhaps the most commonly seen spam attacks over the past several years. Pharmaceutical products are deceptively marketed through spam emails employing a variety of obfuscation techniques. Symantec recently observed a pharmaceutical spam campaign abusing the YouTube brand. Similar spam campaigns abusing popular brands have been seen in the […]

Category General Written by Symantec Security Response Blog 0 Comments

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Dead code walking

24
May
2011

Recently I had a moment to review a group of PDF exploit files. Many exploits use various tricks to obfuscate embedded JavaScript. I thought I could de-obfuscate the samples by throwing them into a sandbox environment and enjoying the beautified source code, but these samples required a different method to coax the legible code into […]

Category General Written by Microsoft Malware Protection Center 0 Comments

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Obfuscated JavaScript: Oh What a Tangled Web

18
May
2011

My colleague Daniel Novomesky alerted me to a problem he’s observed with the way some web-developers use JavaScript: a few of them have the habit of obfuscating JavaScript code on their web sites, presumably in order to compress it so that it takes less disk-space (“packing”) or using a “protector” in order to make it […]

Category General Written by ESET ThreatBlog 0 Comments

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