Malware

Samy worm

malware:samy_worm Also: MySpace worm, virus

A self-propagating JavaScript-based worm that spread through MySpace profiles.

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Direction Predicate Other entity Origin EP
outgoing DEVELOPED_BY Samy Kamkar Explicit 61
outgoing USES cross-site scripting Derived 61
outgoing USES JavaScript Explicit 61
outgoing USES lateral movement Explicit 61
incoming INVOLVES MySpace worm Explicit 61

Claims

Samy worm DEVELOPED_BY Samy Kamkar

Samy says he wrote the virus that became the MySpace worm; Jack identifies it as the Samy worm.

Explicit Confidence 99% · Samy Kamkar EP 61 Details

“I realize oops, I just wrote a virus.”

Samy Kamkar · offsets 19815–19852

MySpace worm INVOLVES Samy worm

The MySpace incident involved the self-spreading Samy worm.

Explicit Confidence 99% · Jack Rhysider EP 61 Details

“Samy has just created a MySpace worm and it’s spreading”

Jack Rhysider · offsets 19451–19506

Samy worm USES cross-site scripting

The worm propagated by causing profile visitors' browsers to execute JavaScript through a MySpace profile injection.

Derived Confidence 96% · Jack Rhysider EP 61 Details

“the code to add Samy as a friend was copied to that person’s profile”

Jack Rhysider · offsets 19196–19264

Samy worm USES JavaScript

The worm used JavaScript that executed in visitors' browsers and copied itself to their profiles.

Explicit Confidence 99% · Jack Rhysider EP 61 Details

“he could get whoever visited his profile to execute the JavaScript code that he wrote”

Jack Rhysider · offsets 17045–17130

Samy worm USES lateral movement

The worm self-propagated from profile to profile through visitors who acquired the code.

Explicit Confidence 98% · Jack Rhysider EP 61 Details

“It just kept spreading.”