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    Rewterz Threat Alert – Watchbog – Cryptomining and Lateral Movement

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    May 30, 2023
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    May 30, 2023
    Rewterz Threat Alert – Threat Actors Weaponizing .ZIP Domains To Trick Victims
    Severity High Analysis Summary Recently, researchers discovered an advanced phishing method called “file archiver in the browser” that exploits .ZIP domains to deceive unsuspecting individuals. This […]
    May 28, 2023
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    May 28, 2023
    Rewterz Threat Update – Barracuda Issues Warning Regarding Zero-Day Exploitation to Breach Email Security Gateway (ESG) Appliances
    Severity High Analysis Summary An email protection and network security services provider has issued a warning regarding a zero-day vulnerability that has been exploited to compromise […]
    May 26, 2023
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    May 26, 2023
    Rewterz Threat Advisory – Multiple D-Link D-View Vulnerabilities
    Severity High Analysis Summary CVE-2023-32165 CVSS:9.8 D-Link D-View could allow a remote attacker to execute arbitrary code on the system, caused by a flaw in TftpReceiveFileHandler […]

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    Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.

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    • Rewterz XDR
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    Rewterz Threat Alert – Watchbog – Cryptomining and Lateral Movement

    Managed Security Services

    • Managed Security Monitoring
    • Remote SOC
    • Onsite SOC
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    Managed Penetration Testing

    Rewterz penetration testing services help organizations determine if a cyber attacker can gain access to their critical assets while giving them detailed insights of the overall business impact of a cyber attack.

  • Services

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    • Compromise Assessment
    • APT Assessment
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    May 30, 2023
    Rewterz
    May 30, 2023
    Rewterz Threat Alert – Threat Actors Weaponizing .ZIP Domains To Trick Victims
    Severity High Analysis Summary Recently, researchers discovered an advanced phishing method called “file archiver in the browser” that exploits .ZIP domains to deceive unsuspecting individuals. This […]
    May 28, 2023
    Rewterz
    May 28, 2023
    Rewterz Threat Update – Barracuda Issues Warning Regarding Zero-Day Exploitation to Breach Email Security Gateway (ESG) Appliances
    Severity High Analysis Summary An email protection and network security services provider has issued a warning regarding a zero-day vulnerability that has been exploited to compromise […]
    May 26, 2023
    Rewterz
    May 26, 2023
    Rewterz Threat Advisory – Multiple D-Link D-View Vulnerabilities
    Severity High Analysis Summary CVE-2023-32165 CVSS:9.8 D-Link D-View could allow a remote attacker to execute arbitrary code on the system, caused by a flaw in TftpReceiveFileHandler […]

    Threat Insights

    16
    pdf-file (1)
    Annual Threat Intelligence Report 2022
    • Threat Advisories
    • Monthly Threat Insights
    • Threat Intelligence Reports
  • Why Rewterz?

    About Us

    Before Rewterz got its start, the market was in dire need of a specialized and dedicated information security company. It was nearly impossible for businesses to find a trustworthy provider that could truly cover all of their bases. We wanted to meet this need, giving companies across the globe a chance to get ahead while knowing that their data is in good hands.

    Read More

    play_btn_Smallplay_btn_hover_Small
    leadership

    Our Leadership

    Our leadership team brings together years of knowledge and experience in cybersecurity to drive our company's mission and vision. Our team is passionate about delivering high-quality products and services, leading by example and assisting our clients in securing their organization’s environment.
    help

    CSR

    At Rewterz, we believe that businesses have a responsibility to impact positively and contribute to the well-being of our communities as well as the planet. That's why we are committed to operating in a socially responsible and sustainable way.

    Connect with Us

    • Contact
    • Careers
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Rewterz
Rewterz Threat Alert – Emotet Revival with Spam Emails Around the World
September 17, 2019
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Rewterz Threat Advisory – Advantech WebAccess Multiple Vulnerabilities
September 18, 2019

Rewterz Threat Alert – Watchbog – Cryptomining and Lateral Movement

September 17, 2019

Severity

Medium

Analysis Summary

The Watchbog botnet, which uses the XMR-Stak Monero miner, has been observed being installed onto vulnerable systems by exploiting a Jenkins vulnerability, CVE-2018-1000861, and also attempts to spread laterally, according to a report from Cisco Talos. While the attackers take some small steps, such as using base64 encoding to obfuscate their malicious code, the attacks operate largely in the open. Typical of cryptomining malware, the installation script checks for the presence of other cryptomining tools and, if found, terminates them. The script also obtains configuration data from Pastebin URLs and installs a system-compatible version of the XMR-Stak miner from a Github URL. While the attackers leave a note on infected systems claiming they only wish to mine cryptocurrency, the fact that they attempt to move laterally and infect other systems tends to bely that. The lateral movement is attempted in two ways, the first being to use SSH, querying the systems known_hosts file, and checking for SSH keys which can be used to authenticate to the remote systems. The second is by scanning the victim’s subnet for open Jenkins and Redis ports. If found, an attempt will be made to exploit the system using the CVE-2018-1000861 vulnerability. If exploitation is successful in either of the cases, the process to infect the victim with the Watchbog malware will begin.

Impact

Exposure of sensitive information

Indicators of Compromise

Malware Hash (MD5/SHA1/SH256)

b383d0fdfa5036ccfa5d9c2b43cbfd814bce8778978873057b86678e5295fc61
0b0567c9b45ea0a3ea4267001f0760ccdf2b8224fceaf8979d32fcceb2d6fb7a
3A6271A90D0F6CC8A2D31D45D931E8401F13F7377932BA07D871DC42F252B9CA

Remediation

  • Block all threat indicators at your respective controls.
  • Always be suspicious about emails sent by unknown senders.
  • Never click on the link/attachments sent by unknown senders.

Platform

  • Rewterz XDR
  • Rewterz Defense
  • Rewterz Threat Intelligence

Managed Security Services

  • Managed Security Monitoring
  • Remote SOC
  • Onsite SOC
  • Hybrid SOC

Assess

  • Compromise Assessment
  • APT Assessment
  • Penetration Testing
  • Architecture Design & Review
  • Red Team Assessment
  • Purple Team Assessment
  • Social Engineering
  • Source Code Review

Transform

  • SOC Consultancy
  • SOC Maturity Assessment
  • SOC Model Evaluation
  • SOC Gap Analysis
  • SIEM Gap Analysis
  • SIEM Optimization
  • SOC Content Pack

Train

  • Simulated Cyber Attack Exercise
  • Tabletop Exercise
  • Security Awareness and Training

Respond

  • Incident Analysis
  • Incident Response

Threat Insights

  • Threat Advisories
  • Monthly Threat Insights
  • Threat Intelligence Reports

Resources

  • Blog
  • Press Releases

Connect With Us

  • Contact
  • Careers
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