PUBLIC MARKS with tag attack

Recently, in our never-ending quest to protect the world from malware, we found a misbehaving Android trojan.

This past year has been one for the record books when it comes to distributed denial of service (DDoS) attacks, so it is only proper that 2016 closes out with news of another massive DDoS attack, reported by Imperva researchers. According to them, the Imperva Incapsula network was forced to mitigate a 650 Gbps DDoS attack just a few days before Christmas.

Internet pioneer Bruce Schneier issued a dire proclamation in front of the House of Representatives’ Energy & Commerce Committee Wednesday: “It might be that the internet era of fun and games is over, because the internet is now dangerous.”

H4cktimes.com Siber Uzay'ın Haber Platformu

Main Deck 1 Angel of Despair 1 Arcanis the Omnipotent 1 Crater Hellion 1 Darksteel Colossus 1 Dragon Tyrant 1 Havoc Demon 1 Kokusho, the Evening Star 1 Nicol Bolas 1 Penumbra Wurm 1 Reiver Demon 1 Serra Avatar 4 Solemn Simulacrum 1 Symbiotic Wurm

More on automated malware classification and naming

Contrary to popular assumption, DRAMs used in most modern computers retain their contents for seconds to minutes after power is lost, even at operating temperatures and even if removed from a motherboard. Although DRAMs become less reliable when they are not refreshed, they are not immediately erased, and their contents persist sufficiently for malicious (or forensic) acquisition of usable full-system memory images. We show that this phenomenon limits the ability of an operating system to protect cryptographic key material from an attacker with physical access. We use cold reboots to mount attacks on popular disk encryption systems — BitLocker, FileVault, dm-crypt, and TrueCrypt — using no special devices or materials. We experimentally characterize the extent and predictability of memory remanence and report that remanence times can be increased dramatically with simple techniques. We offer new algorithms for finding cryptographic keys in memory images and for correcting errors caused by bit decay. Though we discuss several strategies for partially mitigating these risks, we know of no simple remedy that would eliminate them.

A great description of the concept/math behind the Birthday problem. Basically, if you have 23 people in a room, odds are better than 50-50 that 2 folks will share the same birthday. [With a group of 7, odds are better than 50-50 that two folks have a birthday within a week of each other.] Also the basis for the "Birthday attack" hacking vector. Given a hashing (1-way encryption) algorithm of fixed length output, multiple inputs can result in the same hash. It is very difficult to guess an alternate input that will hash into a match of a single given result. But given a large known set of results (e.g., a user account database table) it become more likely that an alternate input might result in a match of at least one existing hash. Thinking on such things keeps the mind sharp :)

(WWII U.S. Intelligence Bulletin, February 1943)

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攻撃いろいろ

メジャーな攻撃方法とか

[tuesday, 02 august 2005] 轟炸人家的 bandwidth, 實非正人君子所為！ 單是八月一日的頭十小時間，便炸了2.7GB...抓破頭也想不明，為何連一個 small potato like me 都不放過？炸了我的網頁又如何？你們以為