# Malware and Network Traffic Analysis Service **URL:** https://securesys.com.tr/en/services/malware-analysis-test-service ### What Are Malware Analysis and Network Traffic Analysis? Malware analysis and network traffic analysis are advanced cyber security services that examine in detail how malicious software that has reached your systems behaves, what it communicates with, and what risk it creates. The service analyses suspicious files, executables, scripts, macros, memory images and network captures (PCAP) to establish exactly how the malware operates, how it spreads, how it communicates with command and control (C2) infrastructure, whether it attempted to exfiltrate data, and what impact it had on the system. The analysis does not stop at detecting the malware. The source of the attack, the techniques used, the systems affected and the persistence mechanisms in place are all assessed, so the organisation's exposure is reported in full. SecureSys malware and network traffic analysis services follow **MITRE ATT&CK**, **NIST SP 800-61**, **YARA**, **Sigma Rules**, **STIX/TAXII**, **OpenIOC** and international digital incident response [methodology](/en/learning/penetration-testing/penetration-testing-process-and-methodology). ### Why Is Malware Analysis Necessary? Modern malware does more than infect a file: it establishes persistence, steals sensitive data, accepts remote commands and spreads to other systems on the network. Malware that is analysed poorly — or not at all — can lead to: - Data leakage - Ransomware attacks - Credential theft - Financial loss - Loss of business continuity - Impact on critical systems - Regulatory breaches - Repeat attacks Malware analysis should therefore never be limited to an antivirus verdict; it must be supported by behavioural analysis, reverse engineering and network traffic analysis. ### Scope of the Service #### Malware Analysis - Static analysis - Dynamic analysis - Malware reverse engineering - [Sandbox analysis](/en/services/mail-sandbox-security-solutions) - Behaviour analysis - Persistence analysis - Process injection analysis - DLL hijacking analysis - Memory analysis - IOC extraction #### Network Traffic Analysis - PCAP analysis - Packet analysis - NetFlow analysis - DNS traffic analysis - HTTP/HTTPS traffic - TLS/SSL analysis - SMTP traffic - SMB traffic - FTP traffic - SSH traffic - VPN traffic - Anomalous traffic analysis #### Threat Hunting - IOC hunting - IOC identification - C2 traffic - Beaconing analysis - Lateral movement - Persistence detection - Credential access - Privilege escalation - Defence evasion #### Incident Response Analysis - Incident handling - Initial point of infection - Affected systems - Timeline analysis - Root cause analysis - IOC sharing - Clean-up recommendations ### Malware Families Analysed Different malware families are examined in the secure analysis environments of the SecureSys laboratory. **Ransomware** - LockBit - BlackCat (ALPHV) - Akira - Conti - Clop - Royal - Medusa - Phobos #### Trojans - Remote Access Trojan (RAT) - Banking trojan - Loader - Dropper - Downloader #### Spyware - Information stealer - Keylogger - Credential stealer - Browser stealer #### Botnet Malware - Mirai - Emotet - TrickBot - QakBot #### Cryptominers - CoinMiner - XMRig - Cryptojacking malware ### Risks Analysed in Network Traffic - Command and control (C2) - DNS tunnelling - HTTP beaconing - HTTPS C2 - Data exfiltration - Lateral movement - SMB abuse - Pass-the-Hash - Kerberos anomalies - LDAP traffic - RDP usage - SSH tunnelling - VPN abuse - TOR traffic - Proxy traffic ### Analysis Techniques Used The SecureSys analysis laboratory combines several techniques. - Static malware analysis - Dynamic malware analysis - Reverse engineering - Memory forensics - Network forensics - Threat intelligence correlation - IOC extraction - YARA rule matching - Sigma rule analysis - Sandbox analysis - MITRE ATT&CK mapping - Threat hunting ### Tools and Platforms The principal technologies used during analysis: - Wireshark - Zeek (Bro) - Suricata - Snort - YARA - Volatility - Cuckoo Sandbox - CAPE Sandbox - Ghidra - IDA Pro - x64dbg - Procmon - ProcExp - Sysmon - Velociraptor - Elastic SIEM - Splunk - Microsoft Defender XDR - CrowdStrike Falcon - SentinelOne - Wazuh ### What Is Malware Analysis? Malware analysis is an advanced form of security analysis in which suspicious files, applications, scripts or executable code are examined to determine their effect on systems. Its purpose is not simply to decide whether a file is malicious. It also establishes how the malware works, which systems it targets, which security mechanisms it evades, what data it collects and how it communicates with external systems. Malware analysis is particularly critical in the following situations. - Analysis of suspicious files - Ransomware incidents - Data breaches - Cyber incident response - Threat hunting - Digital forensics work - APT attacks - IOC production ### Static Analysis vs Dynamic Analysis Malware is analysed using two distinct approaches. **Static malware analysis** In static analysis the malware is never executed. The file is examined for: - Binary structure - String analysis - Import / export analysis - Header information - PE analysis - Hash values - Packers - Signatures - YARA matches Advantages: - Safe - Fast - Makes IOC extraction straightforward ### Dynamic Malware Analysis In dynamic analysis the malware is executed inside an isolated sandbox environment. The behaviours analysed include: - Process creation - Registry changes - File operations - Network traffic - C2 communication - Persistence - DLL injection - Process injection This method matters because it reveals what the malware actually does rather than what its code suggests. ### Malware Reverse Engineering Reverse engineering is an advanced technique for analysing how malware works without access to its source code. SecureSys specialists perform: - Assembly analysis - Binary analysis - Function analysis - API call analysis - Deobfuscation - Anti-debugging techniques - Anti-VM techniques - Packer analysis to expose the full behaviour of the sample. ### What Is Memory Forensics? Memory forensics is the digital forensic discipline of analysing system memory (RAM). A great deal of malware continues to run in memory while leaving no trace on disk. Memory analysis identifies: - Running processes - DLL injection - Hidden processes - Hidden drivers - Credential dumping - LSASS activity - Network connections - Malware injection ### What Is Network Traffic Analysis (PCAP)? Network traffic analysis is an advanced security method that examines all data traffic on the corporate network. By reviewing PCAP files we analyse: - Malicious traffic - C2 communication - DNS queries - HTTP requests - TLS connections - SMB traffic - RDP connections - VPN usage ### The MITRE ATT&CK Framework MITRE ATT&CK is the world's most widely used knowledge base classifying the techniques real adversaries use. Findings from SecureSys analysis are mapped to MITRE ATT&CK techniques. The principal categories: - Initial access - Execution - Persistence - Privilege escalation - Defence evasion - Credential access - Discovery - Lateral movement - Collection - Exfiltration - Command and control - Impact ### What Is an IOC (Indicator of Compromise)? An Indicator of Compromise is a technical marker showing that a system has been attacked. Examples include: - Malicious IP addresses - Domain names - URLs - SHA256 hashes - MD5 hashes - Registry keys - File names - Mutexes - Scheduled tasks - Process names IOC lists produced during SecureSys analysis are delivered to the client. ### What Are YARA Rules? YARA is an open-source analysis language used to identify malware by signature and behaviour. SecureSys specialists can write client-specific YARA rules for the samples analysed. Similar threats can then be detected automatically in future. ### What Are Sigma Rules? Sigma rules are an open standard for detecting security events on SIEM platforms. The Sigma rules we prepare can be adapted readily to: - Microsoft Sentinel - Splunk - QRadar - Elastic SIEM - Wazuh - Graylog ### What Is Command and Control (C2) Traffic? Once installed, most malware begins communicating with its operator. That communication may run over: - HTTP - HTTPS - DNS - ICMP - TOR - VPN - WebSocket SecureSys C2 analysis identifies: - Beaconing - Periodic traffic - Malicious domains - Suspicious certificates - Encrypted communication ### What Is DNS Tunnelling? DNS tunnelling is an advanced technique in which attackers move data inside DNS queries. It is used for: - Data exfiltration - Firewall evasion - C2 communication - Delivering malicious commands Analysis examines: - TXT records - Unusually long domains - Entropy analysis - DNS query frequency ### How Is Data Exfiltration Detected? In an exfiltration attack the goal is to move sensitive information out of the organisation. The methods analysed: - HTTPS upload - Cloud storage - FTP - SMB - DNS tunnelling - Email - TOR - VPN Traffic behaviour is examined to identify abnormal data movement. ### What Is Threat Hunting? Threat hunting is the proactive search for threats that existing security systems have not detected. SecureSys specialists use: - IOC hunting - Behaviour hunting - MITRE-based hunting - Memory hunting - Network hunting - Endpoint hunting to uncover threats hiding inside the estate. ### The Incident Response Process Responding to a cyber incident means more than deleting a malicious file. The SecureSys incident response process consists of the following stages. #### Preparation - Incident plans - Response teams - Backups #### Identification - IOC analysis - Alert review - SIEM correlation #### Containment - Isolation - Network segmentation - Blocking user accounts #### Eradication - Malware removal - Removal of persistence - IOC blocking #### Recovery - Bringing systems back online - Verification testing - Monitoring #### Lessons Learned - Incident report - Improvement plan - Security recommendations ### Why SecureSys? Malware analysis is not a matter of checking whether antivirus flagged a file. Real analysis means uncovering the malware's behaviour, its network communication, its persistence mechanisms, its exfiltration methods and the techniques the attacker used. At SecureSys we bring static analysis, dynamic analysis, reverse engineering, memory forensics, network traffic analysis, threat hunting and incident response together under a single methodology. We map results to the MITRE ATT&CK matrix and produce IOC, YARA and Sigma rules so that similar threats can be detected far faster in future. ### The SecureSys Difference - Expert cyber security services under TSE TS 13638 - Malware reverse engineering expertise - Static and dynamic malware analysis - Memory forensics and digital forensics capability - Network traffic analysis (PCAP and network forensics) - Analysis referenced against the MITRE ATT&CK framework - IOC, YARA and Sigma rule production - Threat hunting and incident response support - Detailed reporting at both technical and executive level - Risk-driven remediation guidance and retest support Have our specialists analyse the malware, suspicious network traffic and advanced threats present in your systems. Get in touch for details of our malware and network traffic analysis service and a proposal tailored to your organisation.