LWA-2026-10800 MAL-2026-13632 ↗ confirmed malware

map-streak-kit@1.0.0

Malicious code in map-streak-kit (npm)

T1059.007 · JavaScriptT1059 · Command and Scripting InterpreterT1105 · Ingress Tool TransferT1071.001 · Web ProtocolsT1102 · Web ServiceT1041 · Exfiltration Over C2 ChannelT1567 · Exfiltration Over Web ServiceT1543.002 · Systemd ServiceT1082 · System Information DiscoveryT1573 · Encrypted Channel

Analysis

map-streak-kit@1.0.0 ships a 63KB Linux ELF binary (dist/internal/calc-math.dat) that is executed on module import by dist/index.mjs, which chmods the file and spawns it as a detached background process. The binary is a remote-access implant ("redshell"): it beacons to C2 at 217[.]60[.]77[.]63 with a SECURE_BEACON payload, downloads and executes second-stage payloads from hxxp://217[.]60[.]77[.]63/Others/ and shellcode from hxxp://217[.]60[.]77[.]63/SC/, provides a /redshell command shell with elf/bin download-and-inject, a /portfwd and /tunnel (RC2TUN) relay, and an exfiltration POST to /api/extract-receive. It performs IP discovery via api[.]ipify[.]org and 8[.]8[.]8[.]8, and installs persistence via a systemd user service (svc-update.service) with configuration under ~/.config/.rsvc. The package's daymath.mjs functions are pure-JS decoys that never call the binary; the "native math accelerator" is a cover for the implant.

analyzed by
Leitwacht
first seen
Aug 7, 2026, 08:55 PM
analyzed
Aug 7, 2026, 08:56 PM

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Independently detected by the Leitwacht supply-chain probe. IOCs are defanged. Published CC0. Think this is a mistake? See the dispute policy.