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rat

rat

2 9.3
A harmful program that lets someone secretly control another computer from far away
  • noun
  • /ræt/
  • Specialized
: troyano de acceso remoto
  • At this point, it appears to be the Poison Ivy RAT variant that is likely to be detected by many antivirus vendors.

Examples

  • For instance, most users know they are interacting with a rat, even though it looks like a human in the virtual space.

    Blog text (20)
  • They are using the PlugX RAT as well as the NvSmart technique found in previous targeted attacks.

    Blog text (14)
  • The hacker found the RAT online and modified it.

  • The security team discovered a rat that allowed unauthorized access to the company's network.

  • After analyzing the system, we identified a rat that was secretly controlling the computer's functions.

  • The technician removed the rat to restore normal operation to the compromised workstation.

Idioms

43 9.9

To care at all about something

Very quickly, especially when leaving or running away

9.9

Very quick and lively in a slightly surprising, playful way

poor as a rat
  • Informal
8.3

Having almost no money or things

Compounds

lab rat
  • Offensive
34 6.1

A person used by others for tests who often feels watched or controlled

rat bastard
  • Offensive
16 9.9

A rude word for a person who is cruel or dishonest

rat race
  • Informal
15 4.0

A busy, competitive working life that leaves little time to relax

hood rat
  • Offensive
8 9.9

An insulting word for a person from a poor neighborhood who behaves in a rough or criminal way

pack rat
  • Informal
6 7.4

A person who keeps many things and does not throw them away

5 7.7

A series of quick, sharp knocks often on a door or drum

sewer rat
  • Offensive
4 9.0

An insulting name for a person thought to be very bad and not to be trusted

gym rat
  • Slang
4 7.7

A person who spends a lot of time exercising in a gym

4 4.1

A brown rat that lives in sewers and other dirty city places

4 4.7

A small animal that digs tunnels and lives mostly underground like a mole

3 8.0

A small hopping animal that lives in deserts, often in North America and Mexico, and eats seeds

2 7.3

A small North American animal like a rat with a bushy tail that collects objects

A series of short, sharp tapping sounds like knocking on a door

river rat
  • Informal
2 8.3

A person who spends a lot of time near rivers and likes boating or fishing

A small almost hairless African animal that lives underground in large groups like ants

1 5.1

A small energetic dog bred to hunt rats

1 7.4

A person who catches and kills rats to keep places clean

kangaroo rat
  • Australian
1 8.1

A small Australian animal with a pouch that looks like a rat but is related to kangaroos

1 4.2

A large brown rat that lives near people and often causes trouble

1 5.3

A snake that is not poisonous and eats rats and mice

1 7.4

A small rat that lives in roofs or attics

1 3.9

A small animal like a rat that lives in or near water

frat rat
  • Offensive
1 9.9

A college student who spends too much time at fraternity parties

1 2.3

A small dark animal like a large mouse that lives near people and often carries disease

1 6.3

A small desert animal like a mouse that hops on long hind legs and has a long tail

1 8.0

A brown animal like a mouse that lives on docks and eats bait

1 6.7

A small wild animal like a rat that lives in forests, builds nests, and often collects things

water rat
  • Informal
1 7.9

A person who likes being in water or on a boat

wharf rat
  • Offensive
1 9.9

A person who lives near docks and steals from ships or warehouses

plague rat
  • Offensive
1 9.9

An insulting word for a person people think is dishonest or harmful

Damaraland mole rat
  • South African
1 9.9

A small burrowing mammal from western Africa that lives in underground colonies

rat racer
  • Offensive
1 8.6

A person who tries to get ahead at work by using unfair or dishonest ways

1 2.1

A common rat that lives near people and damages food and buildings

1 8.6

A small animal like a mouse that lives in holes in the desert

1 5.3

A large shiny black snake from North America that is not venomous and eats rats and mice

tree rat
  • Slang
1 8.9

A squirrel that people see as a pest

1 9.0

A small wild animal like a mouse that lives in marsh grass and eats plants and insects

welfare rat
  • Offensive
1 9.9

An insulting name for a person who cheats to get government help

rat-tail file
  • Specialized
1 9.5

A thin metal tool with a round taper used to smooth small round holes and curves

rat cheese
  • Slang
1 8.9

A strong yellow cheese like American cheddar

1 8.1

A wild rat that lives underground and damages crops

sky rat
  • Slang
1 9.9

A city bird like a pigeon that people see as a pest

rat kangaroo
  • Australian
1 8.2

A small Australian animal with a pouch that looks like a rabbit-sized rat

beaver rat
  • Australian
1 9.9

A small animal from Australia and New Guinea that lives in water and looks like a beaver

rat cheese
  • Slang
1 9.9

A joke name for old food that smells bad

1 9.9

A small mammal from southern South America that looks like a shrew and carries its young in a pouch

1 9.1

A small animal with a bushy tail that collects and hides small things

wood-rat
  • Specialized
1 7.6

A small rodent like a mouse from North America with a bushy tail that collects things for its nest

rat typhus
  • Specialized
1 8.3

A serious disease that causes fever and a rash when fleas spread bacteria to people

cat and rat
  • Baby Talk
1 8.0

A circle game where players join hands and raise them to let a child pass while another catches them

marsupial rat
  • Australian
1 9.9

A small animal like a mouse that eats insects and carries its young in a pouch

bandicoot rat
  • Indian
1 9.9

A large burrowing rat with a scaly tail found in India and Sri Lanka

jerboa rat
  • Australian
1 9.9

A large Australian mouse-like animal with long back legs that jumps far

Ord kangaroo rat
  • Specialized
1 9.9

A small mouse-like animal with large back legs that hops and lives in burrows in the western United States

bottle rat
  • Offensive
9.9

A person who drinks too much at parties and seeks free drinks

A small animal like a rat with soft thick fur and big ears that lives in the Andes

dwarf pocket rat
  • Specialized
9.9

A small animal like a mouse with soft fur and pouches in its cheeks

A North American wood rat with dark feet that builds large stick nests

Florida water rat
  • Specialized
9.9

A small animal like a mouse that lives in Florida marshes and swims

8.0

A large snake from South and Southeast Asia that is not poisonous and often enters buildings to catch mice

queen mole rat
  • Specialized
9.2

A larger female in a colony of naked mole rats who is the only one to have babies

rat with wings
  • Offensive
9.8

An annoying person or thing that keeps coming back

rat run
  • UK
8.1

A narrow hidden path people use to go somewhere faster

rat-licker
  • Offensive
9.9

A person who praises someone in power to get advantages

5.5

A large harmless reddish snake from the southern United States that lives on farms and in woods

9.4

A large rat that lives in pine forests and sometimes damages crops

9.9

A small animal like a mouse that uses fur-lined cheek pouches to carry food

9.9

A harmful false idea that people who get government help are lazy or dishonest

winter rat
  • Informal
9.9

A person who stays mostly indoors during winter to avoid the cold

winged rat
  • Offensive
9.2

An insulting name for a flying animal like a pigeon that people see as dirty or annoying

How Harmful

wiper
  • Specialized
1 7.2
rootkit
  • Specialized
2 9.8
rat
  • Specialized
2 9.3
virus
  • Specialized
108 3.3
trojan
  • Texting
2 8.2
spyware
  • Specialized
21 4.8
adware
  • Specialized
2 4.4

Surface Forms

rat singular
rats plural

Etymology

Rat in computing is both an abbreviation and a picture of the animal: it is often called Remote Access Trojan and the name also suggests a small, 'sneaky intruder' that gets into a computer. So a computer rat is a secret program that lets an attacker control a machine.