Concrete signature match: Backdoor - Provides unauthorized remote access for Linux platform, family Mirai
Backdoor:Linux/Mirai.AE!xp is a concrete detection of a Mirai botnet variant targeting Linux systems. This malware typically infects IoT devices and servers, turning them into bots to launch large-scale Distributed Denial of Service (DDoS) attacks. Its presence indicates the compromised system is now part of a malicious botnet infrastructure.
No specific strings found for this threat
rule Backdoor_Linux_Mirai_AE_2147814694_0
{
meta:
author = "threatcheck.sh"
detection_name = "Backdoor:Linux/Mirai.AE!xp"
threat_id = "2147814694"
type = "Backdoor"
platform = "Linux: Linux platform"
family = "Mirai"
severity = "Critical"
info = "xp: an internal category used to refer to some threats"
signature_type = "SIGNATURE_TYPE_ELFHSTR_EXT"
threshold = "4"
strings_accuracy = "High"
strings:
$x_1_1 = "PROT_EXEC" ascii //weight: 1
$x_1_2 = "/proc/self/exe7" ascii //weight: 1
$x_1_3 = "/proc/semn" ascii //weight: 1
$x_1_4 = "antihoney" ascii //weight: 1
$x_1_5 = "chmon7" ascii //weight: 1
$x_1_6 = "mdebung.Hi32" ascii //weight: 1
condition:
(filesize < 20MB) and
(4 of ($x*))
}60bd23c1b45f3d2f393fe1d0d71e6ce2559041685076e949a1211c9137c5443cec2209d46cf807a01c35b322e851a96e971f401b7922cbf354e3fab9692b2df9Immediately isolate the infected Linux system. Perform a full system scan with an updated antivirus/EDR solution to remove the malware. Change all system and service credentials, and apply all available security patches to prevent re-infection. Monitor network traffic for unusual outbound connections.