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GoStringUngarbler: Deobfuscating Strings in Garbled Binaries

ID: e0e48ff7-de88-5dbd-8f30-55cd915c1286

STIX ID: report--e0e48ff7-de88-5dbd-8f30-55cd915c1286

Feed Name: Google Cloud Threat Intelligence

Date Published: 2025-03-05

Date Updated: 2026-04-27

Author: Mandiant

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This excerpt shows a Go implementation of a 'split' transformation used to obfuscate payloads: input is divided into chunks, encrypted with a reversible operator and a position-dependent XOR key, and runtime reconstruction/decryption is driven by randomized indexes and a switch-based state machine. The content documents a code-level obfuscation technique and not an incident report, indicators, or active exploitation.

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