Heroes, here's a detailed look at the current cybersecurity landscape for September 13, 2025.
Date & Time: 2025-09-12T11:03:00
CISA has added a critical vulnerability in Dassault Systèmes DELMIA Apriso software to its Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. This flaw impacts Manufacturing Operations Management (MOM) software, posing a significant risk to industrial and manufacturing sectors. Organizations using this software must patch immediately to prevent potential operational disruption or data compromise.
CVE Details: CVE-2025-5086
Source: The Hacker News
Date & Time: 2025-09-12T12:50:09
A new ransomware group, Yurei, has emerged, claiming a Sri Lankan food manufacturer as its first victim on September 5. The group employs a double-extortion model, encrypting victim data and threatening to leak it. The emergence of a new, active ransomware operator signals a continued and evolving threat to organizations globally.
CVE Details: n/a
Source: Check Point Research
Date & Time: 2025-09-12T14:17:36
Cisco has patched multiple high-severity vulnerabilities in its IOS XR software, which is used in carrier-grade routers and network infrastructure. The flaws could allow an attacker to bypass ISO image verification or trigger a denial-of-service (DoS) condition. A successful exploit could severely impact the availability and integrity of critical network services.
CVE Details: n/a
Source: Security Affairs
Date & Time: 2025-09-12T23:00:40
Researchers highlight the growing risk of supply chain attacks stemming from poorly managed OAuth tokens. Dormant integrations, insecure token storage, and a lack of key rotation create opportunities for attackers to gain unauthorized access to sensitive systems. This underscores the need for stringent security controls over third-party application integrations.
CVE Details: n/a
Source: Palo Alto Networks Unit 42
Date & Time: 2025-09-12T15:05:00
This report details the mechanics of large-scale phishing operations using "machine rooms" filled with iPhones to send iMessage spam. These operations represent a sophisticated and scalable threat for credential harvesting and malware distribution targeting Apple users. The analysis provides insight into the infrastructure behind modern, high-volume smishing campaigns.
CVE Details: n/a
Source: Security Boulevard
Date & Time: 2025-09-12T12:03:33
Apple has issued another round of notifications to users in France who may have been targeted by commercial spyware. This marks at least the fourth wave of such warnings this year, indicating a persistent and targeted surveillance campaign against specific individuals. The notifications highlight the ongoing threat posed by sophisticated state-sponsored or commercial spyware actors.
CVE Details: n/a
Source: SecurityWeek
Date & Time: 2025-09-12T14:26:14
A news roundup mentions the emergence of a malware variant referred to as HybridPetya. While details are limited in this source, any malware associated with the Petya family is a significant concern due to the destructive, wiper-like capabilities of its predecessors. Security teams should monitor for further intelligence on this potential threat.
CVE Details: n/a
Source: SecurityWeek
Date & Time: 2025-09-12T21:04:34
This analysis from Bruce Schneier discusses the critical need for a standardized framework for notifying victims of cyber incidents in a timely manner. For executives and security leaders, this piece provides strategic perspective on incident response, legal obligations, and public relations. Establishing clear, effective notification policies is crucial for managing reputational damage and regulatory risk following a breach.
Source: Schneier on Security
⚠️ Disclaimer: Test all detection logic in non-production environments before deployment.
1. YARA Rule for Yurei Ransomware Indicators
rule Detect_Ransomware_Yurei_Generic {
meta:
description = "Detects potential artifacts associated with the Yurei ransomware group. This is a generic rule based on reported TTPs."
author = "Threat Rundown"
date = "2025-09-13"
reference = "https://research.checkpoint.com/?p=31891"
strings:
// Placeholder for ransom note patterns or unique strings
$note1 = "All your files have been encrypted by Yurei"
$note2 = "Contact us for decryption"
// Placeholder for file extension used by the ransomware
$ext = ".yurei"
condition:
(any of ($note*)) or (uint32(0) == 0x4B506F78 and $ext at (filesize - 6))
}2. SIEM Query — Detecting Potential Ransomware C2 Activity
// Splunk Search
index=* (sourcetype=pan:traffic OR sourcetype=suricata OR sourcetype=zeek_conn)
| stats dc(dest_ip) as distinct_dest, values(dest_ip) as all_dests, count by src_ip
| where distinct_dest > 15 AND count > 50
| `comment("Looks for a single source IP making many connections to many different destination IPs, a potential sign of C2 beaconing or scanning.")`3. PowerShell Script — Check for CVE-2025-5086 IOCs
<#
.SYNOPSIS
Checks for placeholder Indicators of Compromise (IOCs) related to the
exploitation of CVE-2025-5086 in DELMIA Apriso.
**Update the $iocs array with verified IOCs from threat intelligence.**
#>
$computers = "localhost" # Add other critical servers: , "SERVER01", "SERVER02"
# --- UPDATE WITH VERIFIED IOCs --- #
$iocs = @{
Files = @(
"C:\ProgramData\Temp\malicious_payload.exe",
"C:\Windows\System32\suspicious.dll"
)
RegistryKeys = @(
"HKLM:\Software\Microsoft\Windows\CurrentVersion\Run\MaliciousStartup"
)
}
# --------------------------------- #
foreach ($computer in $computers) {
Write-Host "[*] Checking host: $computer"
if (Test-Connection -ComputerName $computer -Count 1 -Quiet) {
# Check for suspicious files
foreach ($file in $iocs.Files) {
if (Invoke-Command -ComputerName $computer -ScriptBlock { Test-Path -Path $using:file }) {
Write-Warning "[!] IOC DETECTED (File): $file on $computer"
}
}
# Check for suspicious registry keys
foreach ($key in $iocs.RegistryKeys) {
if (Invoke-Command -ComputerName $computer -ScriptBlock { Test-Path -Path $using:key }) {
Write-Warning "[!] IOC DETECTED (Registry): $key on $computer"
}
}
} else {
Write-Error "[X] Host unreachable: $computer"
}
}This rundown should provide a solid overview of the current threat landscape. Thank you to all our cyberheroes for your diligence and hard work. Stay vigilant!