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goodfriend9290@gmail.com

goodfriend9290@gmail.com is an email address that 2 published sources report in connection with Contagious Interview and IT Worker Fraud activity, which public reporting attributes to North Korea (DPRK). It is cited here from Heiner García and Coinmonks. The earliest of those reports is dated 2024-06-20 and the most recent 2025-07-22.

email address Contagious InterviewIT Worker Fraud MATCHED IN SOURCE

First seen 2024-06-20 · last seen 2025-07-22

Sources

• The post of 20 June 2024 walks outward from the only follower of the KaanKayabasi GitHub account, devmaster929 (registered to goodfriend9290@gmail.com, joined 15 January 2024), through a repository shared with goodfriend9290 (goodfriend9290@skiff.com), that account's only follower smartdev0119, and the accounts smartdev0119 follows, goodman4293 (goodsuperman@skiff.com) and WebWizard109707. It then describes about 250 recruiter accounts, most created in January 2024 and followed by both devmaster929 and sammorozov, and names three that pair copied LinkedIn links with invented details. The post does not name North Korea; the set is filed unattributed.

  medium.com/coinmonks/fake-recruiters-in-github-68d0d3bf297d — Heiner García · under “devmaster929 recruiter-follower network (Heiner García)” · published 2024-06-20 · pulled 2026-09-28

• …one follower called: “Devmaster929” Press enter or click to view image in full size This follower: Devmaster929 , registered by: goodfriend9290@gmail.com Press enter or click to view image in full size By checking who he follows, we see some accounts that seems to be fake recruiter…

  Summary of Findings on Suspicious GitHub Activity Linked to DPRK IT Workers — Coinmonks · under “This investigation seeks to analyze findings from previous research and identify profile image patterns and behavioral traits associated with DPRK-IT worker accounts on GitHub.” · published 2025-07-22 · pulled 2026-09-12

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Related indicators

Cited by the same report: medium.com/coinmonks/fake-recruiters-in-github-68d0d3bf297d

Heiner García lists 16 other indicators in this source. 7 are shown, chosen across types.

• goodfriend9290@skiff.com email address
• goodsuperman@skiff.com email address
• https://github.com/bionicle18 GitHub account
• https://github.com/devmaster929 GitHub account
• https://github.com/goodfriend9290 GitHub account
• https://www.linkedin.com/in/onder-kayabasi-772a33302/ LinkedIn account
• https://x.com/onderkayabasi X account

All 17 indicators from this source

Cited by the same report: Summary of Findings on Suspicious GitHub Activity Linked to DPRK IT Workers

Coinmonks lists 25 other indicators in this source. 5 are shown, chosen across types.

• https://github.com/0xb10ckdev GitHub account
• https://github.com/ai0228 GitHub account
• https://github.com/blockchainyou GitHub account
• https://github.com/bstar0406 GitHub account
• https://github.com/capitalist42 GitHub account

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