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[CERT-FR] Sandworm intrusion set campaign targeting Centreon systems

The CERT-FR report details a cyber espionage campaign attributed to the Sandworm intrusion set, a well-known advanced persistent threat (APT) group linked to Russian state-sponsored activities. This campaign specifically targets Centreon systems, which are widely used IT infrastructure monitoring solutions deployed primarily on Linux servers. The attack leverages exploitation of public-facing applications (MITRE ATT&CK T1190) to gain initial access, followed by deployment of web shells (T1505.003) to maintain persistence and facilitate remote command execution. The adversaries perform file and directory discovery (T1083) to map the environment and identify valuable data. They also employ deobfuscation and decoding techniques (T1140) to analyze and manipulate files or information, likely to evade detection and understand system configurations. Communication with command and control (C2) servers is conducted over encrypted channels (T1573), using symmetric and asymmetric cryptography (T1573.001 and T1573.002), ensuring stealthy exfiltration of data (T1041). The attackers create or modify system processes (T1543) and Windows services (T1543.003) to establish persistence and facilitate lateral movement. The campaign is confirmed to target Linux systems in Western Europe, with high confidence in the indicators of compromise (IOCs) provided. Although no specific affected versions or patches are noted, the campaign's medium severity rating reflects the moderate threat level posed by this targeted espionage activity. The involvement of multiple threat actors such as Iridium, Telebots, Electrum, and Sandworm indicates a coordinated and persistent effort to compromise Centreon deployments for intelligence gathering or sabotage purposes.

Detailed information about [CERT-FR] Sandworm intrusion set campaign targeting Centreon systems. Get real-time updates, technical details, and mitigation strate

[CERT-FR] Sandworm intrusion set campaign targeting Centreon systems - Live Threat Intelligence - Threat Radar | OffSeq.com

CERT-FR report extended - sandworm intrusion set campaign targeting Centreon systems

The CERT-FR report details an ongoing cyber espionage campaign attributed to the Sandworm intrusion set, a threat actor group known for sophisticated and persistent attacks. This campaign specifically targets Centreon systems, which are widely used IT infrastructure monitoring solutions. The attackers exploit public-facing Centreon applications (MITRE ATT&CK T1190) to gain initial access, leveraging vulnerabilities or misconfigurations in these web-facing components. Once inside, the adversaries deploy server software components (T1505) and create or modify system processes (T1543) to establish persistence. They also schedule tasks or jobs (T1053) to maintain footholds and execute malicious payloads. The attackers use command and scripting interpreters (T1059) to execute arbitrary commands and abuse elevation control mechanisms (T1548) to escalate privileges. They perform file and directory discovery (T1083) to map the environment and deobfuscate or decode files (T1140) to analyze or prepare payloads. Communications with command and control (C2) servers are conducted over encrypted channels (T1573) using application layer protocols (T1071), enabling stealthy data exfiltration (T1041). The campaign is highly targeted, with a focus on French organizations, reflecting the strategic interest of the Sandworm group in this region. No patches are currently available for the exploited vulnerabilities, and no known exploits are publicly documented, indicating a potentially zero-day or custom exploit scenario. The campaign's sophistication and persistence suggest a high level of attacker capability and intent to maintain long-term access for espionage or sabotage purposes.

Detailed information about CERT-FR report extended - sandworm intrusion set campaign targeting Centreon systems. Get real-time updates, technical details, and m

CERT-FR report extended - sandworm intrusion set campaign targeting Centreon systems - Live Threat Intelligence - Threat Radar | OffSeq.com

Prynt Stealer Spotted In the Wild - A New Info Stealer Performing Clipper And Keylogger Activities

Prynt Stealer is a recently identified information-stealing malware campaign observed in the wild, primarily designed to perform clipper and keylogger activities. This malware targets user credentials and sensitive information by capturing keystrokes and manipulating clipboard data to intercept cryptocurrency wallet addresses or other copied sensitive data. The stealer leverages multiple MITRE ATT&CK techniques, including user execution (T1204), system and process discovery (T1497.001, T1057), account discovery (T1087), software discovery (T1518), and system service and location discovery (T1007, T1614). It also performs credential theft from password stores (T1555), steals web session cookies (T1539), and application access tokens (T1528), indicating a broad scope of data exfiltration. The malware captures screen content (T1113) and exfiltrates data over command and control (C2) channels and web services (T1041, T1567). Prynt Stealer’s infection vector relies on user execution, meaning it requires victims to run malicious files or scripts, often delivered via phishing or social engineering. Although no known exploits are currently reported in the wild, the malware’s capabilities to harvest credentials, session tokens, and clipboard data pose significant risks to confidentiality and integrity of user data. The campaign’s perpetual lifetime and moderate certainty level (50%) suggest ongoing monitoring is necessary. The absence of affected versions implies it targets general Windows environments rather than specific software vulnerabilities.

Detailed information about Prynt Stealer Spotted In the Wild - A New Info Stealer Performing Clipper And Keylogger Activities. Get real-time updates, technical 

Prynt Stealer Spotted In the Wild - A New Info Stealer Performing Clipper And Keylogger Activities - Live Threat Intelligence - Threat Radar | OffSeq.com

Dissecting PlugX to Extract Its Crown Jewels

PlugX is a sophisticated Remote Access Trojan (RAT) widely used by advanced persistent threat (APT) groups such as DragonOK, Mustang Panda, Winnti Group, and Axiom. It is known for its modular architecture, enabling attackers to execute a broad range of malicious activities including command execution, data exfiltration, and persistence on compromised Windows systems. The malware typically spreads via spearphishing campaigns using malicious links or attachments, leveraging social engineering to trick users into execution. Once deployed, PlugX employs various evasion and persistence techniques such as DLL side-loading, process hollowing, masquerading legitimate processes, registry run keys, and service execution to maintain stealth and resist detection. It also abuses Windows features like Component Object Model (COM) and User Account Control (UAC) bypass to escalate privileges and execute code with elevated rights. The malware uses obfuscation, packing, and encrypted communication channels to evade signature-based detection and network monitoring. Its capabilities include system and network reconnaissance, credential harvesting through input capture and keylogging, screen capture, and automated collection of sensitive data. The malware also supports remote system discovery and lateral movement via remote desktop protocol and remote services. Although no known exploits are currently active in the wild for this specific analysis, PlugX remains a persistent threat due to its continuous use by multiple threat actors targeting strategic organizations. The technical report from CIRCL highlights the extraction of PlugX's core components ('crown jewels'), providing insights into its inner workings and attack patterns, which can aid defenders in detection and mitigation.

Detailed information about Dissecting PlugX to Extract Its Crown Jewels. Get real-time updates, technical details, and mitigation strategies.

Dissecting PlugX to Extract Its Crown Jewels - Live Threat Intelligence - Threat Radar | OffSeq.com

UEFI threats moving to the ESP: Introducing ESPecter bootkit

The ESPecter bootkit represents a sophisticated UEFI (Unified Extensible Firmware Interface) threat that targets the EFI System Partition (ESP) to establish persistent, stealthy footholds on compromised systems. Unlike traditional malware that operates within the OS environment, ESPecter operates at the pre-boot level, embedding itself within the ESP, a critical partition used by the firmware to load the operating system. This approach allows the bootkit to execute before the OS loads, evading many conventional security controls and detection mechanisms. The campaign leverages multiple advanced techniques mapped to MITRE ATT&CK patterns, including native API usage (T1106), pre-OS boot execution (T1542), boot or logon autostart execution (T1547), and bootkit deployment (T1542.003). It also employs dynamic-link library injection (T1055.001), hidden files and directories (T1564.001), hidden file systems (T1564.005), and obfuscation methods such as software packing (T1027.002) and file deobfuscation (T1140) to evade detection and analysis. The bootkit modifies system images (T1601.001) and code signing policies (T1553.006), impairing defenses (T1562) and renaming system utilities (T1036.003) to maintain persistence and stealth. It performs extensive system reconnaissance, including registry modification (T1112), system and process discovery (T1426, T1424), peripheral device discovery (T1120), and system time discovery (T1124). For data collection and exfiltration, ESPecter captures inputs (keylogging T1056.001, input capture T1417), screen captures (T1513, T1113), and automates data collection (T1119) with multi-stage command and control (C2) channels (T1104), using web protocols (T1071.001) and non-application layer protocols (T1095). It stages local data (T1074.001) and exfiltrates data over C2 channels (T1041), often using scheduled transfers (T1029). The campaign's complexity and use of multiple evasion and persistence techniques highlight its high threat level and sophistication, indicating a well-resourced adversary capable of long-term targeted attacks.

Detailed information about UEFI threats moving to the ESP: Introducing ESPecter bootkit. Get real-time updates, technical details, and mitigation strategies.

UEFI threats moving to the ESP: Introducing ESPecter bootkit - Live Threat Intelligence - Threat Radar | OffSeq.com

The CERT-FR report highlights an extended campaign by the Sandworm intrusion set targeting Centreon systems. Centreon is an IT infrastructure monitoring software widely used to oversee network, server, and application performance. The Sandworm group, known for its sophisticated cyber-espionage and sabotage operations, exploits public-facing Centreon applications to gain unauthorized access. The attack techniques align with MITRE ATT&CK patterns such as exploiting public-facing applications (T1190), leveraging server software components (T1505), and creating or modifying system processes (T1543) to establish persistence. The adversaries also use scheduled tasks or jobs (T1053) and command and scripting interpreters (T1059) to execute malicious payloads. They abuse elevation control mechanisms (T1548) to gain higher privileges and employ deobfuscation techniques (T1140) to evade detection. Post-compromise activities include file and directory discovery (T1083), establishing encrypted command and control channels (T1573), using application layer protocols for communication (T1071), and exfiltrating data over these channels (T1041). Although no specific affected versions or patches are listed, the campaign's high confidence and almost-certain likelihood suggest active targeting of Centreon deployments, particularly in France. The threat level is moderate (4), and no known exploits in the wild have been reported yet, indicating a potential for future exploitation if mitigations are not applied.

Detailed information about CERT-FR report extended - sandworm intrusion set campaign targeting Centreon systems affecting misp-galaxy target-information. Get re

The reported threat involves a campaign by the Sandworm intrusion set targeting Centreon systems, as identified by CERT-FR and CIRCL. Sandworm is a well-known advanced persistent threat (APT) group associated with sophisticated cyber espionage and sabotage activities. Centreon is an IT infrastructure monitoring software widely used in enterprise environments, including Linux-based systems. The campaign exploits public-facing applications (MITRE ATT&CK T1190), likely leveraging vulnerabilities or misconfigurations in Centreon's web interface to gain initial access. Post-compromise activities include deploying web shells (T1505.003) for persistent remote control, performing file and directory discovery (T1083) to map the environment, and creating or modifying system processes or Windows services (T1543, T1543.003) to maintain persistence and escalate privileges. The attackers use symmetric and asymmetric cryptography (T1573.001, T1573.002) and encrypted channels (T1573) to secure command and control communications, complicating detection and analysis. Data exfiltration is conducted over these encrypted C2 channels (T1041). The threat targets Linux systems predominantly in Western Europe, with high confidence in the indicators of compromise (IOCs) accuracy. Although the severity is classified as low by CERT-FR, the involvement of a high-profile APT group and the use of advanced techniques indicate a targeted espionage campaign rather than widespread destructive attacks. No known exploits in the wild or patches are currently documented, suggesting either a zero-day or exploitation of configuration weaknesses. The campaign aligns with historical Sandworm tactics, including stealthy infiltration and long-term presence in victim networks.

Detailed information about [CERT-FR] Sandworm intrusion set campaign targeting Centreon systems affecting fr-classif non-classifiees. Get real-time updates, tec

Title	Severity	Type	Source	Date

Threats Tagged 'misp-galaxy:mitre-attack-pattern="exfiltration over c2 channel - t1041"'

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