The Patching Friars' AlmanacA calendar of CVE saints
ZeusHoly card for d-zeus, generated with AI (Claude, Anthropic) for the Lunario dei Frati Patchatori.CC BY-NC-SA 4.0 Zeus PATER TROIANORUM
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Circle VI · Banking trojans and infostealers

The Demon Zeus, Father of a Lineage of Trojans

Legend

Identified in 2007, Zeus was a banking-trojan kit that stole credentials by grabbing forms and injecting fake fields into bank pages, sold to countless crews. It drained the accounts of many small businesses in 2009-2010, until Operation Trident Breach led to the arrest of money-mule networks in the US, the UK and Ukraine. In 2011 its source code leaked; its lineage includes GameOver Zeus, Citadel and Zeus Panda.

Exorcism

Cast it out by confirming banking operations on a separate channel, so that a forged page is not enough. Keep browsers and the operating system patched, block known command domains and watch for web injects.

Technical record

Also known as
ZeuS, Zbot
Circle
Circle VI · Banking trojans and infostealers · Circle II · Legions (botnets)
First seen
2007
Status
Dormant
Works
The Miracle of Operation Tovar

A banking trojan kit first identified in 2007 that stole credentials through form grabbing and web injects, sold to many criminal crews. Its source code leaked in 2011; descendants include GameOver Zeus (built by Bogachev's group), Citadel and Zeus Panda, Citadel and Zeus Panda. The 2010 Operation Trident Breach led to arrests of money-mule networks in the US, UK and Ukraine.

Sources: en.wikipedia.org · fbi.gov

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