Malware reports

News from the Mobile Front

The first quarter of 2006 marks a turning point in mobile malware development. The era of quantitative development, with its numerous, but primitive Trojans for Symbian OS has ended. The quality of mobile malware has changed visibly.

Let’s consider a chronological list of mobile viruses that appeared in early 2006:

What does the list show us?

We see that writers of mobile malware have begun to use new programming languages: .NET (“.MSIL.”) and Java (“.J2ME.”).

Moreover, a new fashion seems to be emerging: a bias towards cross-platform viruses. For example, Worm.MSIL.Cxover, infects mobile devices that can be accessed via ActiveSync when it is executed on a PC. Yet it also infects the PC using the same mechanism when launched on a mobile device.

Then we have Trojan-Spy.SymbOS.Flexispy: a commercial Trojan that collects information about phone calls and SMS messages. Of course, it is only one example, but it is enough to show that the industry of mobile viruses has at last made headway into commerce on the one hand and into spying on the other.

And I think this is just a beginning.

News from the Mobile Front

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Reports

LuminousMoth APT: Sweeping attacks for the chosen few

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WildPressure targets the macOS platform

We found new malware samples used in WildPressure campaigns: newer version of the C++ Milum Trojan, a corresponding VBScript variant with the same version number, and a Python script working on both Windows and macOS.

Ferocious Kitten: 6 years of covert surveillance in Iran

Ferocious Kitten is an APT group that has been targeting Persian-speaking individuals in Iran. Some of the TTPs used by this threat actor are reminiscent of other groups, such as Domestic Kitten and Rampant Kitten. In this report we aim to provide more details on these findings.

Andariel evolves to target South Korea with ransomware

In April 2021, we observed a suspicious Word document with a Korean file name and decoy. It revealed a novel infection scheme and an unfamiliar payload. After a deep analysis, we came to a conclusion: the Andariel group was behind these attacks.

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