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B43/100

Incident · medium

Greeter attack chain hides traces with hello messages in cloud logs

Tier B · Patch this week – Put it in the sprint

Who’s exposed: Cloud environments; affected scope not specified in source

Tier B because: Exploited in the wild OR public exploit

Reach

Attack

Damage

Fix

Exploited in the wild

The Brief

  • Researchers named a cloud attack chain "Greeter".
  • Attackers deliberately left "hello" messages in logs to cover their trail.
  • The only source is a single Dark Reading article; it gives no CVEs, victims or patch details.

Why it matters

Planted messages in cloud logs can obscure real attacker activity, so developers should not assume log entries are complete or trustworthy during investigations.

The checklist behind the tier

Checklist · 2 of 10 yes
YesHits tech teamsJudgment: Cloud logging and cloud services are run and monitored by developer and ops teams.
NoCore infrastructureJudgment: The named target is a cloud attack chain, not a specific core infrastructure component like OpenSSH or GitHub.
NoPopular toolJudgment: No specific widely used framework, tool or package is named in the source.
YesExploited in the wildDarkreading: attackers deliberately covered their trail with hello messages in logs, indicating real activity.
NoPublic exploitDarkreading: source describes the chain but says nothing about published exploit code or PoC.
NoRemote, no loginDarkreading: source does not say whether the attack needs credentials.
NoFull takeoverDarkreading: source does not report code execution, root access or account takeover.
NoSecrets exposedDarkreading: source does not report credentials, keys or data being stolen.
NoSupply chainDarkreading: source does not mention compromised packages, updates or pipelines.
NoNo fix yetDarkreading: source does not state whether a fix or patch exists.

Timeline

  1. Researchers publicly describe the Greeter attack chain

  2. darkreading

    Attackers Say 'Hello' to a Different Scale of Cloud Attack

Source

Attackers Say 'Hello' to a Different Scale of Cloud Attack ↗ darkreading · 2h ago

First seen · 1 source · Full story page · How tiers are decided