Dev Github 2021 | Lex Luthor

Even though the original account is gone, its impact lingers. Three lasting changes were observed:

It is crucial to understand the legal boundaries of using tools found under searches like "Lex Luthor dev GitHub."

This was the repository that garnered the most attention. MetropolisC2 was a lightweight, highly obfuscated Command and Control (C2) framework written in a hybrid of Python and Go.

What made it unique in 2021?

Security researcher "BlueSteel" (a pseudonym) told The Cyber Mint in a 2021 analysis: "The MetropolisC2 framework wasn't script-kiddie stuff. The encryption layers were novel. Whoever 'Lex Luthor Dev' is, they have deep knowledge of Windows internals and network evasion."

While the first two were aggressive, the third was insidiously quiet. DailyPlanetScraper was an OSINT (Open Source Intelligence) tool that automated the scraping of corporate LinkedIn, GitHub commit histories, and public Slack channels.

The 2021 context here is vital. During the COVID-19 remote work boom, companies had sprawling digital footprints. This tool could take a single employee's email and, within 45 seconds, map out the entire internal employee directory, project management tools, and even vacation schedules.