نتایج جستجو برای: worm
تعداد نتایج: 9462 فیلتر نتایج به سال:
The majority of metabolic principles are evolutionarily conserved from nematodes to humans. Caenorhabditis elegans has widely accelerated the discovery of new genes important to maintain organismic metabolic homeostasis. Various methods exist to assess the metabolic state in worms, yet they often require large animal numbers and tend to be performed as bulk analyses of whole worm homogenates, t...
Internet worms that spread autonomously from one host to another cause major problem in today’s networks. On 25th January 2003, “Slammer” was released into the internet and after ten minutes the worm infected more than 90% of vulnerable hosts. Worms cause damage to the network by consuming its resources such as bandwidth. In this paper, we propose a method for detecting traffic signature for un...
While traditional Internet worms take hours or days to infect a high percentage of vulnerable hosts, a flash worm takes seconds. Because of the rapid rate at which flash worms spread, existing worm defense mechanisms cannot respond fast enough to detect and stop a flash worm infection. In this project, we propose a geometric-based detection mechanism that can detect the spread of flash worms in...
This Review discusses the potential usefulness of the worm Caenorhabditis elegans as a model organism for chemists interested in studying living systems. C. elegans, a 1 mm long roundworm, is a popular model organism in almost all areas of modern biology. The worm has several features that make it attractive for biology: it is small (<1000 cells), transparent, and genetically tractable. Despite...
Worm infestations influence the immune system and may therefore decrease the risk for autoimmune diseases. The aim of the study was to determine whether children who have developed autoimmune disease were less likely to have had worm infestations in childhood. The ABIS-study is a prospective population-based cohort study of children born in southeast Sweden 1997/99. 17.055 children participated...
Internet catastrophes could be caused by large-scale worm outbreaks that lead to DDoS flooding attacks. Internet worms can be exploited to damage infected hosts and launch flooding attacks against high-profile Internet services. We suggest deploying distributed WormShield monitors to automatically detect and disseminate worm signatures. WormShield monitors analyze the global prevalence and addr...
INTRODUCTION Dirofilariasis is a rare parasitic infestation in humans. CASE A 33-year-old female from the coastal area presented with a swelling over the right lacrimal sac area. It was clinically diagnosed as a lacrimal abscess and was incised under local anaesthesia. A live coiled worm was found and removed along with the cyst. OBSERVATIONS The worm looked like a thin white thread measuri...
This paper reports the results of our experimentation with modeling worm behavior on a large scale, fully adaptable network simulator. Our experiments focused on areas of worm scanning methods, IP address structure, and wireless links that, to the best of our knowledge, have been mostly neglected or abstracted away in prior worm simulations. Namely, our intent was to first study by direct obser...
In 1977, Diederich and Fornæss [DIF] constructed a counterexample to the longstanding conjecture that (the closure of) a smoothly bounded, pseudoconvex domain in complex space is the decreasing intersection of smooth, pseudoconvex domains. The smoothly bounded domain Ωβ that they constructed has become known as the “worm”. The worm is smoothly bounded and pseudoconvex. In fact it is a counterex...
Long after the Blaster, Slammer/Sapphire, and CodeRedII worms caused significant worldwide disruptions, a huge number of infected hosts from these worms continue to probe the Internet today. This paper investigates hotspots (non-uniformities) in the targeting behavior of these important Internet worms. Recent data collected over the period of a month and a half using a distributed blackhole dat...
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