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Home/ATT&CK/Software/S1027
MITRE ATT&CK Malware

Heyoka Backdoor (S1027)

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[Heyoka Backdoor](https://attack.mitre.org/software/S1027) is a custom backdoor--based on the Heyoka open source exfiltration tool--that has been used by [Aoqin Dragon](https://attack.mitre.org/groups/G1007) since at least 2013.(Citation: SentinelOne Aoqin Dragon June 2022)(Citation: Sourceforge Heyoka 2022)

Platforms: Windows

▪Techniques implemented (15)

T1055.001Dynamic-link Library InjectionT1070.004File DeletionT1572Protocol TunnelingT1140Deobfuscate/Decode Files or InformationT1071.004DNST1680Local Storage DiscoveryT1007System Service DiscoveryT1057Process DiscoveryT1218.011Rundll32T1083File and Directory DiscoveryT1547.001Registry Run Keys / Startup FolderT1027.013Encrypted/Encoded FileT1120Peripheral Device DiscoveryT1036.004Masquerade Task or ServiceT1204.002Malicious File

▪Used by groups (1)

G1007Aoqin Dragon
S1027on MITRE ATT&CK →

MITRE ATT&CK® is a registered trademark of The MITRE Corporation. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation.