H3XAOperational intelligence
Live analytical pictureEvidence before assessment
TypeMalware
External ID—
First seen2026-08-14
Last seen2026-08-14

Confidence

—

[AcidRain](https://attack.mitre.org/software/S1125) is an ELF binary targeting modems and routers using MIPS architecture.(Citation: AcidRain JAGS 2022) [AcidRain](https://attack.mitre.org/software/S1125) is associated with the ViaSat KA-SAT communication outage that took place during the initial phases of the 2022 full-scale invasion of Ukraine. Analysis indicates overlap with another network device-targeting malware, VPNFilter, associated with [Sandworm Team](https://attack.mitre.org/groups/G0034).(Citation: AcidRain JAGS 2022) US and European government sources linked [AcidRain](https://attack.mitre.org/software/S1125) to Russian government entities, while Ukrainian government sources linked [AcidRain](https://attack.mitre.org/software/S1125) specifically to [Sandworm Team](https://attack.mitre.org/groups/G0034).(Citation: AcidRain State Department 2022)(Citation: Vincens AcidPour 2024)

Labels

malware
5 recorded

Relationships

usesTechnique
usesTechnique
usesTechnique
usesGroup
4 external

References

mitre-attack
S1125
open
Vincens AcidPour 2024
https://cyberscoop.com/viasat-malware-wiper-acidrain/
open
AcidRain State Department 2022
https://www.state.gov/attribution-of-russias-malicious-cyber-activity-against-ukraine/
open
AcidRain JAGS 2022
https://www.sentinelone.com/labs/acidrain-a-modem-wiper-rains-down-on-europe/
open