detection ruleyara
n4d_persistence_updater
- First seen
- 2026-07-18
- Last seen
- 2026-07-18
- Used in
- 1 post
rule n4d_persistence_updater {
meta:
description = "n4d cron updater script"
author = "Deception Fleet"
date = "2026-07-15"
hash = "001a23e4a0c7cbdc076db370cfcffbbbd7c86214040f339708ca9b818fba69ab"
strings:
$lock = "/tmp/.n4d_lock"
$cdn = "cdnorigin.net"
$agent_path = "/api/agent/binary?arch="
condition:
filesize < 2KB and $lock and $cdn and $agent_path
}Posts using this rule
File scan (YARA) · SID n4d_persistence_updater
Matches the cron updater at `/tmp/.sys-health-monitor`.