Meteor is a wiper that was used against Iranian government organizations, including Iranian Railways, the Ministry of Roads, and Urban Development systems, in July 2021. Meteor is likely a newer version of similar wipers called Stardust and Comet that were reportedly used by a group called "Indra" since at least 2019 against private companies in Syria.[1]
20
TechniquesTop 20%
8
TacticsTop 20%
0
Threat groupsNone recorded
0
CampaignsNone recorded
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
Meteor execution begins from a scheduled task named Microsoft\Windows\Power Efficiency Diagnostics\AnalyzeAll and it creates a separate scheduled task called mstask to run the wiper only once at 23:55:00.4
Meteor can run set.bat, update.bat, cache.bat, bcd.bat, msrun.bat, and similar scripts.7
Execution63 detection rules
Standing S0688
Reach is how much of ATT&CK this malware touches. Coverage is how well defended each thing it does is, as a median per technique rather than a total — a total would just restate the reach. Each figure is ranked against all 825 ATT&CK software entries only where that population actually spreads. Where most of the population shares one value, a percentile would rank the tie instead of the entity, so the raw value is shown and no rank is claimed.
Reach
Techniques20Top 20%
80th percentile · 80% of 825 ATT&CK software entries have this many Enterprise techniques or fewer.
Tactics8Top 20%
80th percentile · 80% of 825 ATT&CK software entries have this many tactics spanned or fewer.
Threat groups061% tie · 22 values
61% of the population shares a single value across only 22 distinct values, so a percentile here would rank the tie, not the entity.
Campaigns085% tie · 8 values
85% of the population shares a single value across only 8 distinct values, so a percentile here would rank the tie, not the entity.
Coverage
Rules / technique33medTop 20%
80th percentile · 80% of 825 ATT&CK software entries have this many detection rules per technique or fewer.
Tests / technique9.5med
Meteor detections S0688
1136 distinct rules cover the 20 techniques recorded for this malware. 745 Sigma · 391 Splunk.
20 covered by at least one rule1136 distinct rules in total
Showing 1-50 of 1,100+ rules
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Splunk
The following analytic detects the use of commands to add or set exclusions
in Windows Defender. It (...)
Detects when AppLocker "Audit only" enforcement mode reports that an Application, DLL, Script, MSI, or Packaged-App would have been blocked if AppLocker "Enforce rules" enforcement mode was enabled.
The following analytic identifies attempts to delete AWS Bedrock Knowledge Bases, which are resources that store and manage domain-specific information for AI models. (...)
Detects successful deletion or disabling of an AWS GuardDuty detector, possibly by an attacker trying to avoid detection of its malicious activities. (...)
Detects the Linux-specific execution chain of the plain-crypto-js malicious npm dependency by Axios NPM package, including payload download via curl and detached execution using nohup and python3. (...)
Detects the macOS-specific execution chain of the plain-crypto-js malicious npm dependency in Axios NPM Package, including AppleScript execution via osascript, payload download, permission modification, execution, and cleanup.