Malware

Cutwail

malware:cutwail

Centralized spam botnet built by Google and Igor Vishnevsky and paired with the Pushdo Trojan.

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Relationships

Direction Predicate Other entity Origin EP
outgoing DEVELOPED_BY Google Explicit 110
outgoing DEVELOPED_BY Igor Vishnevsky Explicit 110
outgoing USES Pushdo Explicit 110
outgoing USES spam Explicit 110
outgoing USES command and control server Explicit 110
incoming INVOLVES McColo takedown Explicit 110
incoming USES Gameover ZeuS Trojan Explicit 110
incoming USES ZeuS Explicit 111

Claims

Cutwail DEVELOPED_BY Google

Jack says hacker Google and Igor Vishnevsky built the Cutwail botnet.

Explicit Confidence 98% · Jack Rhysider EP 110 Details

“hacker Google and Igor Vishnevsky had built a botnet and called it Cutwail.”

Jack Rhysider · offsets 19262–19337

Cutwail DEVELOPED_BY Igor Vishnevsky

Igor Vishnevsky co-built Cutwail with hacker Google.

Explicit Confidence 98% · Jack Rhysider EP 110 Details

“hacker Google and Igor Vishnevsky had built a botnet and called it Cutwail.”

Jack Rhysider · offsets 19262–19337

Cutwail USES Pushdo

Cutwail was populated by Pushdo infections; the two malware families were described as working together.

Explicit Confidence 97% · Jack Rhysider EP 110 Details

“Google used a Trojan called Pushdo to infiltrate Windows computers and get the Cutwail spam engine running on them.”

Jack Rhysider · offsets 19596–19711

Cutwail USES spam

Cutwail was designed and used to send large volumes of spam email.

Explicit Confidence 96% · Jack Rhysider EP 110 Details

“the one thing botnets are really good at is sending out mass volumes of spam e-mails”

Jack Rhysider · offsets 18633–18717

Cutwail USES command and control server

Cutwail contacted command-and-control servers controlled by Google for instructions.

Explicit Confidence 99% · Jack Rhysider EP 110 Details

“Cutwail contacts hardcoded IP addresses to talk to the C&C server controlled by the hacker Google.”

Jack Rhysider · offsets 21063–21161

McColo takedown INVOLVES Cutwail

Cutwail lost much of its hosting and became immobile after the McColo takedown.

Explicit Confidence 97% · Jack Rhysider EP 110 Details

“Google had most of his servers for Cutwail there. This was enough to make both botnets stunned and immobile”

Jack Rhysider · offsets 40472–40580

Gameover ZeuS Trojan USES Cutwail

Jack says Gameover ZeuS was installed on millions of computers using the Cutwail botnet.

Explicit Confidence 96% · Jack Rhysider EP 110 Details

“It was installed on millions of computers using Pushdo and the Cutwail botnet.”

Jack Rhysider · offsets 23663–23741

ZeuS USES Cutwail

The transcript says ZeuS and Cutwail were integrated with each other, combining their capabilities.

Explicit Confidence 98% · Jack Rhysider EP 111 Details

“The Cutwail botnet, along with its friendly loader Pushdo, eventually integrated ZeuS into it, and ZeuS integrated Cutwail into it”