GSocket Backdoor Delivered Through Bash Script, (Fri, Mar 20th)

2026-03-22T13:23:45Ze6cd5bcd3df21576cc8717ddd762f2206910a8ea301ddab8e2f55de031d48d0a
DShieldIPv4-mapped IPv6SANS ISCadminerbackdoorbash scriptcowriegSockethoneypotiranbotmalwarephpmyadminportscanproxy scansreconnaissancescanningtelnet

What happened

SANS ISC diary entries (mid–March 2026) report multiple defensive observations: a malicious Bash script was found that installs a GSocket backdoor on a victim host (delivery vector and origin unknown). Cowrie/honeypot logs show activity from a source (64.89.161.198) that included portscans, a successful Telnet login, web probes and an embedded string referencing “MAGIC_PAYLOAD_KILLER_HERE_OR_LEAVE_EMPTY_iranbot_was_here.” Honeypots also recorded broad scanning for web management tools (phpMyAdmin/adminer) and probes targeting "/proxy/" URLs. Authors note attackers sometimes use IPv4-mapped IPv

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
sans_isc_diary
Record identifier
e6cd5bcd3df21576cc8717ddd762f2206910a8ea301ddab8e2f55de031d48d0a
Enrichment time
2026-03-22T13:23:45Z
AI-assisted enrichment
Yes

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Record · GSocket Backdoor Delivered Through Bash Script, (Fri, Mar 20th) · Baitaphish