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Threat intelligence / Malware

YAHOYAH

[YAHOYAH](https://attack.mitre.org/software/S0388) is a Trojan used by [Tropic Trooper](https://attack.mitre.org/groups/G0081) as a second-stage backdoor.(Citation: TrendMicro TropicTrooper 2015)

Malware
TypeMalware
External ID—
First seen2026-08-14
Last seen2026-08-14

Confidence

—

[YAHOYAH](https://attack.mitre.org/software/S0388) is a Trojan used by [Tropic Trooper](https://attack.mitre.org/groups/G0081) as a second-stage backdoor.(Citation: TrendMicro TropicTrooper 2015)

Labels

malware
7 recorded

Relationships

uses
from Tropic Trooper
Group
uses
to Deobfuscate/Decode Files or Information
Technique
uses
to Encrypted/Encoded File
Technique
uses
to Ingress Tool Transfer
Technique
uses
to Security Software Discovery
Technique
uses
to System Information Discovery
Technique
uses
to Web Protocols
Technique
2 external

References

mitre-attack
S0388
open
TrendMicro TropicTrooper 2015
https://documents.trendmicro.com/assets/wp/wp-operation-tropic-trooper.pdf
open
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