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Freelance Cybersecurity Researcher (Webshell & Compromised Domain Detection) We are seeking experienced freelance cybersecurity researchers to help identify websites and domains compromised by webshells or malicious backdoors for defensive security and remediation purposes. Job Description As a freelance researcher, you will be responsible for discovering compromised websites and infected domains using authorized methods, open-source intelligence (OSINT), and malware detection techniques. Findings will be used strictly for security analysis, cleanup, and responsible disclosure. Responsibilities Identify domains infected with PHP webshells, malware, or backdoors Detect signs of compromise such as: Suspicious PHP files Obfuscated or encoded payloads Malicious redirects or injected scripts Deliverables (Daily) List of suspected compromised domains File paths and indicators of compromise (IOCs) Brief explanation of why each domain is flagged Screenshot or code snippet (if applicable) Requirements Strong understanding of PHP webshells and common malware families Experience with Linux environments Familiarity with ethical security research practices Ability to work independently and deliver results daily No unauthorized access or exploitation allowed Payment Paid per day based on verified findings Flexible workload Long-term collaboration available for high performers
Projekt-ID: 40082291
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Aktiv vor 22 Tagen
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41 Freelancer bieten im Durchschnitt $157 USD für diesen Auftrag

Hi there, I’ve reviewed your project on detecting hidden PHP webshells and compromised domains. I’m a cybersecurity researcher specializing in webshell detection, malware forensics, and ethical OSINT in Linux environments. I will operate with authorized methods to identify PHP backdoors, obfuscated payloads, suspicious PHP files, and malicious redirects to support defensive remediation. My approach: - Baseline assets and daily triage for signs of compromise - Scan for indicators: base64-encoded payloads, eval, suspicious file paths - Use OSINT and malware indicators to corroborate findings - Provide IOCs: domains, file paths, explanations, with optional screenshots Deliverables per day: - List of suspected compromised domains with IOCs and rationale - File paths, IOCs, and brief remediation notes Timeline and payment: - Start immediately; daily deliverables; initial 5-day sprint; long-term possible - Payment per day based on verified findings; flexible workload Next steps: I can begin now and align on reporting format and scope. Best regards,
$100 USD in 2 Tagen
6,6
6,6

Hello Hope you are doing well! This is Efan , I checked your project detail carefully. I am pretty much experienced with MySQL, Digital Forensics, PHP, Linux, Risk Management, Security, Penetration Testing, Web Security, Data Protection and Network Security for over 8 years, I can update you shortly. Cheers Efan
$180 USD in 10 Tagen
6,7
6,7

As a cybersecurity professional with an extensive background in PHP and webshell detection, I am well-equipped to tackle your project. My understanding of not only the common malware families but also Linux environments will empower me to find hidden webshells effectively. Drawing on my expertise, your deliverables won’t just include a directory of suspected compromised domains, file paths, and indicators of compromise, but also a comprehensive explanation for each flag using malicious code snippets or screenshots when relevant. This would allow for better analysis, cleanup, and responsible disclosure while assuring there's no unauthorized access or exploitation allowed during our collaboration. Beyond my technical capabilities, my team at SoftwareLinkers has always put great emphasis on utilizing the latest technologies and ethical security research practices when developing software or conducting investigations. I believe in not just identifying compromised websites but in protecting them moving forward through our strong commitment to secure coding practices and building robust security systems. By employing me for this project, you'll have proficient assistance that aligns perfectly with your goals for defensive security and remediation purposes. I look forward to the possibility of a long-term collaboration if my performance proves to be up to your satisfaction.
$150 USD in 3 Tagen
6,4
6,4

Greetings, I see that you’re looking for a freelance cybersecurity researcher to identify compromised websites and domains affected by PHP webshells and other malicious elements. My approach would involve using open-source intelligence and malware detection techniques to thoroughly scan for suspicious PHP files, obfuscated payloads, and any signs of compromise. With a solid background in PHP and Linux environments, I’m familiar with the tactics used by attackers, which will help me spot the indicators of compromise quickly and accurately. I prioritize ethical research practices, ensuring that my methods are responsible and compliant with security standards. You can count on me to deliver daily reports with detailed findings, explanations, and relevant evidence. I’m eager to contribute to your security efforts and help clean up any compromised domains. Best regards, Mehran Riaz
$230 USD in 4 Tagen
5,1
5,1

Hello, I can support this as a defensive, ethics-first research engagement focused on identifying likely webshell/backdoor infections using OSINT, reputation signals, safe content inspection, and malware-indicator triage—without any unauthorized access or exploitation. I’m familiar with common PHP webshell patterns and obfuscation techniques, and I can produce daily deliverables that include suspected domains, clear IOCs (hashes/strings/paths when available from legitimate sources), and a short justification for each flag so your remediation team can act quickly. My workflow emphasizes repeatability and evidence quality, with consistent reporting and a conservative “confidence” approach to reduce false positives. I’m comfortable working in Linux environments and aligning with responsible disclosure and data protection requirements throughout. Best regards, Juan
$140 USD in 7 Tagen
4,8
4,8

Hi Daftar! I’ve reviewed your project and specialize in cybersecurity research, particularly in detecting compromised websites and domains. I’ll identify infected domains and provide comprehensive reports on suspicious PHP files and other indicators of compromise. Let’s schedule a quick meeting to discuss how I can assist you further. Best Regards, Amjad Iqbal
$150 USD in 1 Tag
4,8
4,8

Hi, We went through your project description and it seems like our team is a great fit for this job. We are an expert team which have many years of experience on PHP, Linux, Web Security, MySQL, Risk Management, Penetration Testing, Security, Network Security, Digital Forensics, Data Protection Please come over chat and discuss your requirement in a detailed way. Thank You
$500 USD in 7 Tagen
4,3
4,3

I will identify domains infected with PHP webshells, malware, or backdoors, detect signs of compromise, and deliver a list of suspected domains with file paths and indicators of compromise, working independently and adapting to the proposed budget. Waiting for your response in chat! Best Regards.
$174 USD in 3 Tagen
4,4
4,4

Hey , I just went through your job description and noticed you need someone skilled in Web Security, Digital Forensics, Data Protection, Risk Management, Network Security, Linux, PHP, Security, Penetration Testing and MySQL. That’s right up my alley. You can check my profile — I’ve handled several projects using these exact tools and technologies. Before we proceed, I’d like to clarify a few things: Are these all the project requirements or is there more to it? Do you already have any work done, or will this start from scratch? What’s your preferred deadline for completion? Why Work With Me? Over 180 successful projects completed. Long-term track record of happy clients and repeat work. I prioritize quality, deadlines, and clear communication. Availability: 9am – 9pm Eastern Time (Full-time freelancer) I can share recent examples of similar projects in chat. Let’s connect and discuss your vision in detail. Kind Regards, Zain Arshad
$30 USD in 3 Tagen
4,0
4,0

Hello, I have extensive experience in PHP, MySQL, and Web Security. I have carefully reviewed your project requirements for detecting hidden PHP webshells and compromised domains. I specialize in cybersecurity research and can effectively identify compromised websites using OSINT and malware detection techniques. My expertise in detecting PHP webshells and malware, along with ethical security research practices, makes me a valuable asset for your project. Let's discuss further in chat for a detailed strategy on how I can assist you. Best regards, Syed
$130 USD in 2 Tagen
3,6
3,6

Hello, I am Ali Faraz, a Full Stack Developer and Creative Designer with 7 years of experience in PHP. I have carefully reviewed your project description regarding detecting hidden PHP webshells. My approach involves utilizing advanced malware detection techniques and OSINT to identify compromised domains and webshells. I specialize in frontend and backend development, UI/UX design, and branding to ensure secure and visually appealing digital products. I will diligently identify compromised domains, analyze suspicious PHP files, and provide detailed reports with indicators of compromise. My expertise in cybersecurity research and ethical practices makes me a suitable candidate for this project. Let's discuss further in chat for a comprehensive understanding of your requirements. Regards, Ali Faraz
$140 USD in 7 Tagen
2,8
2,8

Hello. I can help you with this project immediately. But I'm not sure that I understand your budget. You wrote that: Paid per day based on verified findings. It's not totally clear for me - could you explain? About me: My name is Oleksandr. I am a sysadmin with 20 years of experience. My core competencies are Linux and FreeBSD. I have experience in general system administration, mail servers, web security, VPN, VOIP, LAMP, Cloud services, virtualization. Thank you for your time and consideration.
$30 USD in 1 Tag
3,0
3,0

Hello, I have read your proposal and I have worked similar project before. Based on my experience and skills, I will complete this project perfectly. Please contact me via chat. Thank you, Petro
$150 USD in 3 Tagen
2,6
2,6

Dear Hiring Manager, I am interested in working with you as a freelance cybersecurity researcher focused on identifying compromised websites and domains infected with webshells or malicious backdoors. I have a strong background in defensive security research, PHP-based malware analysis, and ethical investigation techniques used for detection, remediation, and responsible disclosure. I am experienced in identifying common indicators of compromise, including suspicious or recently modified PHP files, obfuscated and encoded payloads, malicious redirects, injected JavaScript, and hidden backdoors often associated with webshell infections. My approach relies strictly on authorized methods, open-source intelligence (OSINT), log analysis, and non-intrusive inspection techniques, ensuring all findings remain compliant with ethical security research standards. Working comfortably in Linux environments, I am able to investigate compromised domains independently and deliver clear, actionable results on a daily basis. My reports include affected domains, file paths, relevant indicators of compromise, and concise explanations of why each site is flagged, along with screenshots or code snippets when applicable. I focus on accuracy and verification so that findings can be confidently used for cleanup and remediation. Kind regards,
$100 USD in 7 Tagen
2,3
2,3

Hi there, I’ve read your project on detecting hidden PHP webshells and compromised domains and I’m confident I can deliver a reliable daily workflow for defensive security, remediation, and responsible disclosure. With 5+ years in cybersecurity research focused on PHP webshells, malware families, and forensics, I’ll deploy a repeatable Linux-based process to surface signs of compromise. My approach: 1) scan for suspicious PHP files, obfuscated code, and unusual redirects; 2) correlate signals with OSINT and malware indicators; 3) assemble concise IOCs (file paths, domains, hashes) with a short rationale and supporting screenshots or code snippets; 4) deliver clear remediation guidance and next steps. Deliverables: daily list of suspected domains, IOC sets with evidence, brief explanations, and visuals. I’ll work independently, maintain ethical practices, and adapt quickly to scope. I propose a lightweight initial run (start within 24 hours) and scalable daily output. 4 targeted questions to align expectations: - How many domains should we start with, and what is the expected daily volume? - Do you have preferred OSINT sources or internal threat intel feeds to prioritize? - What IOC report format do you prefer (CSV, JSON, Markdown) and any taxonomy I should follow? - Are there any compliance, disclosure, or data handling guidelines I must adhere to? What is the initial scope (how many domains) and which IOC format do you prefer for the daily reports? Best regards,
$250 USD in 8 Tagen
1,7
1,7

With a deep-rooted and diverse skill-set in Linux, PHP, and Web Security, I am confident that I can bring value to your project. My name is Satyam, and I have earned my stripes as a Freelance DevOps Engineer and Full-Stack Developer. I possess a strong understanding of PHP webshells along with the ability to identify signs of compromise you're looking for including suspicious PHP files, obfuscated payloads, and malicious redirects or injected scripts. Additionally, my expertise in Security makes me an ideal choice for this project. Having worked extensively with security audits, vulnerability testing, malware removal, site hardening and security patches ensures that not only can I detect compromised domains but also provide you with actionable insights on how to protect against future threats. Furthermore, my daily delivery of suspected compromised domains with detailed indicators of compromise (IOCs) and explanations will ensure a seamless workflow. Let's collaborate for secure solutions and long-term success as high-performing partners!
$140 USD in 7 Tagen
2,5
2,5

Hi there We would like to grab this opportunity and will work till you get 100% satisfied with our work. Lets connect in chat so that We discuss further. Thank You
$250 USD in 7 Tagen
1,4
1,4

Hi there. I’m confident Detect Hidden PHP Webshell requires expertise in PHP, MySQL, Linux, and this is exactly where I deliver fast, high-quality results. Based on your requirements, success depends on hands-on experience in PHP, Linux, Web Security, MySQL, Risk Management, Penetration Testing, Security, Network Security, Digital Forensics, Data Protection, not trial-and-error solutions. My core strength lies in PHP, MySQL, Linux, allowing me to handle complex requirements efficiently and confidently. My approach ensures Detect Hidden PHP Webshell is completed correctly the first time, using proven methods in PHP, MySQL, Linux. I’m ready to begin as soon as approved and deliver results that meet your expectations. Best regards, Yevhenii
$140 USD in 1 Tag
1,1
1,1

I think we are the perfect fit for your project. We specialize in customizing Wix websites, creating secure client login systems, and developing user-friendly dashboards. Our expertise includes integrating various storage applications like Dropbox, Google Drive, and OneDrive seamlessly into web portals. With over 60 5-star reviews on similar projects, we ensure a professional and seamless experience. We're adept at implementing unique authentication methods for each client for a personalized touch. Your vision of a clean, professional, and integrated web portal aligns perfectly with our skills. I’d love to chat about your project! The worst that can happen is you walk away with a free consultation. Chris | Lead Developer | Novatech
$250 USD in 14 Tagen
1,7
1,7

Ladies and gentlemen, it's an absolute privilege to present myself as a candidate for your esteemed cybersecurity project. My name is Anil, and I have been working in the technology domain for over 8 years, specializing in Native Android, iOS, React-Native and Flutter development. In my journey, I have acquired an exceptional understanding of intricate matters like webshells and common malware families—a skill-set that perfectly aligns with your project's core requirements. Besides being experienced with Linux environments, I am also well-versed with ethical security research practices which are paramount in your project as we strictly defer to authorized access only. My ability to work independently but with seamless cohesion while delivering daily results will ensure an efficient workflow for us all. Qualification-wise, I have completed more than 100 mobile applications coupled with 200 web-based projects, providing security-enabled solutions every step of the way. Though cybersecurity is a relatively new field for me, my technical proficiency combined with my strong focus on client satisfaction guarantees meticulousness and attention to detail in detecting signs of compromise within PHP files or elsewhere.
$244 USD in 7 Tagen
0,0
0,0

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