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Internet attacks that use Web servers to exploit browser vulnerabilities to install malware programs are on the rise [D04,R04,B04,S05]. Several recent reports suggested that some companies may actually be building a business model around such attacks [IF05,R05]. Expensive, manual analyses for individually discovered malicious Web sites have recently emerged(More)
Typo-squatting refers to the practice of registering domain names that are typo variations of popular websites. We propose a new approach, called Strider Typo-Patrol, to discover large-scale, systematic typosquatters. We show that a large number of typosquatting domains are active and a large percentage of them are parked with a handful of major domain(More)
Stealth malware programs that silently infect enterprise and consumer machines are becoming a major threat to the future of the Internet. Resource hiding is a powerful stealth technique commonly used by malware to evade detection by computer users and anti-malware scanners. In this paper, we focus on a subclass of malware, termed "ghostware", which hide(More)
The rationale for, methodology of, and experience with intra-arterial BCNU infusion therapy of malignant glioma are described. This approach achieves tumor levels of drug four times greater than equal doses infused intravenously, and has been used to treat 79 patients over the course of 4 years. The drug was given in 192 infraophthalmic and 66(More)
We studied topography of major negative-positive peaks, NI, PI, NII, PII and NIII, of scalp recorded somatosensory evoked potentials (SEP) after stimulation of the median nerve. Unlike the diffusely distributed P14, NI, PI and NII recorded from contralateral hemisphere after unilateral stimulation normally showed statistically significant latency increase(More)
The purpose of this study was to examine the time-dependent effects of isoflurane-nitrous oxide anesthesia on cerebral blood flow and metabolism and on cardiovascular parameters. Eleven 15-kg mongrel dogs were anesthetized with 0.8% isoflurane (approximately 1.3 MAC (minimal anesthetic concentration], 70% nitrous oxide, and 30% O2 and were paralyzed with(More)
In 20 median nerves, the shift in mean latency of the referentially recorded antidromic sensory potential was 0.22 to 0.38 msec per 1.5 cm across the palm and only 0.03 to 0.05 msec per 1.5 cm along the third digit. In five radial nerves, referential recording from the tip of the second digit detected a stationary positive potential that was coincident with(More)
In this study, 10 mongrel dogs were anesthetized with sodium pentobarbital and nitrous oxide. Blood flow was determined using the radioactive microsphere technique before and after the bolus intravenous injection of naloxone (10 mg/kg). Naloxone significantly increased cerebral blood flow to cerebral cortex and the total cerebral hemisphere without an(More)
In this study, 12 dogs were anesthetized with sodium pentobarbital, and blood flows were determined using the radioactive microsphere technique. Ten dogs were first made acutely hypertensive by the infusion of norepinephrine and demonstrated preserved cerebral autoregulation. The administration of naloxone, 10 mg/kg i.v., in these animals produced a(More)