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S0284malware

More_eggs

a.k.a. SKID, Terra Loader, SpicyOmelette

More_eggs is a JScript backdoor used by Cobalt Group and FIN6. Its name was given based on the variable "More_eggs" being present in its code. There are at least two different versions of the backdoor being used, version 2.0 and version 4.4.

Platforms: Windows

MITRE ATT&CK ↗

Linked entities · 18

usesT1105Ingress Tool Transfer usesT1016.001Internet Connection Discovery usesT1140Deobfuscate/Decode Files or Infor…usesT1082System Information Discovery usesT1071.001Web Protocols usesT1573.001Symmetric Cryptography usesT1059.003Windows Command Shell usesT1027.013Encrypted/Encoded File usesT1070.004File Deletion usesT1016System Network Configuration Disc…usesT1132.001Standard Encoding usesT1518.001Security Software Discovery usesT1553.002Code Signing usesT1218.010Regsvr32 usesT1033System Owner/User Discovery uses byG0120Evilnum uses byG0037FIN6 uses byG0080Cobalt Group