نتایج جستجو برای: worm
تعداد نتایج: 9462 فیلتر نتایج به سال:
An unexpected consequence of recent worm attacks on the Internet was that the routing infrastructure showed evidence of increased BGP announcement churn. As worm propagation dynamics are a function of the topology of a very large-scale network, a faithful simulation model must capture salient features at a variety of resolution scales. This paper describes our efforts to model worm propagation ...
The Internet has witnessed a steady rise in malicious traffic including DDoS and worm attacks. In this paper, we study the effect of malicious traffic on the background traffic by analyzing recent traces from two different locations. We show that malicious traffic causes an increase in the average DNS latency by 230% and an increase in the average web latency by 30% even on highly over-provisio...
It has been shown that the presence of certain helminth infections in humans, including schistosomes, may reduce the propensity to develop allergies in infected populations. Using a mouse model of schistosome worm vs worm + egg infection, our objective was to dissect the mechanisms underlying the inverse relationship between helminth infections and allergies. We have demonstrated that conventio...
A worm-infected host scanning globally may not cause any new infection in its underlying local network before it is detected and quarantined by a worm detector. To defend this type of scanning hosts, a number of worm scanner detection methods such as failed scan detection, honeypot, and dark port detection are proposed. However, for a stealthier worm limiting its scan inside an enterprise netwo...
A 23-year-old man presented to La Paz Hospital complaining of a “worm moving in his eye.” He was otherwise healthy. On examination under natural light a mobile worm was seen in the superior subconjunctival space. When exposed to the bright light/heat of the slit lamp it migrated to the fornix; moments later the worm was visible again and every time it was exposed to the light it would disappear...
Since the days of the Morris worm, the spread of malicious code has been the most imminent menace to the Internet. Worms use various scanning methods to spread rapidly. Worms that select scan destinations carefully can cause more damage than worms employing random scan. This paper analyzes various scan techniques. We then propose a generic worm detection architecture that monitors malicious act...
Nematomorpha, horsehair or Gordian worms, include about 300 freshwater species in 22 genera (Gordiida) and 5 marine species in 1 marine genus (Nectonema). They are parasitic in arthropods during their juvenile stage. In the present study, the used gordian worm was found in the feces of a dog (5-month old, male) in July 2014. Following the worm analysis using light and scanning electron microsco...
Once a host is infected by an Internet worm, prompt action must be taken before that host does more harm to its local network and the rest of the Internet. It is therefore critical to quickly detect that a worm has infected a host. In this paper, we enhance our SWORD system to allow for the detection of infected hosts and evaluate its performance. This enhanced version of SWORD inherits the adv...
Most patients with trichuriasis have light worm burdens. Data regarding the inflammatory response to Trichuris worms in the colon of lightly infected persons are scant. Nine patients whose Trichuris infection was found by colonoscopy had biopsies taken from a site adjacent to visible worms and from a second site some 20 cm distally. The biopsies were studied by routine and immunohistochemical m...
Quantitative fecal egg counts represented as the number of eggs per gram of feces (EPG) are generally a reliable parameter to estimate the worm burden of intestinal and hepatic parasitoses. Although Haplorchis taichui (Digenea: Heterophyidae) is one of the most common minute human intestinal flukes, little is known about the relationship between EPG and the actual worm burden in patients or the...
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