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Terminator RAT

yara LOW Yara-Rules
backdoorcommunity
This rule was pulled from an open-source repository and enriched with AI. Validate in a test environment before deploying to production.
View original rule at Yara-Rules →
Retrieved: 2026-07-14T23:00:00Z · Confidence: medium

Hunt Hypothesis

This hypothesis posits that adversaries are deploying the Terminator Remote Access Trojan to establish persistent command-and-control channels within our Azure environment, often evading initial signature-based detection due to its low-severity classification. Proactive hunting is essential to identify subtle behavioral anomalies associated with this RAT before it escalates into a full-blown data exfiltration or lateral movement incident.

YARA Rule

rule TerminatorRat : RAT 
{
	meta:
		description = "Terminator RAT" 
		author = "Jean-Philippe Teissier / @Jipe_"
		date = "2013-10-24"
		filetype = "memory"
		version = "1.0" 
		ref1 = "http://www.fireeye.com/blog/technical/malware-research/2013/10/evasive-tactics-terminator-rat.html" 

	strings:
		$a = "Accelorator"
		$b = "<html><title>12356</title><body>"

	condition:
		all of them
}

Deployment Notes

This YARA rule can be deployed in the following contexts:

This rule contains 2 string patterns in its detection logic.

False Positive Guidance

Here are 4 specific false positive scenarios for the Terminator RAT detection rule in an enterprise environment, including suggested filters and exclusions:

Original source: https://github.com/Yara-Rules/rules/blob/main/malware/RAT_Terminator.yar