Blog

June 26, 2020

Malware Analysis – Malicious Macros

Introduction Advanced Persistent Threat (APT-C-35) group, believed to be based in India, has been observed targeting government and military personnel in Pakistan using spear phishing emails. […]
June 22, 2020

Analysis on Sidewinder APT Group – COVID-19

Introduction Hardcore Nationalist group SideWinder is a threat group active since 2012 according to Kaspersky. This group mainly targets Pakistanis and Chinese military & government entities’ […]
June 15, 2020

Exposed Vulnerabilities and Their Impacts

Many users operating in the cyberspace are unaware of the curse of vulnerabilities. Being the initiating point of many cyber-attacks, vulnerabilities demand much more attention. These […]
June 8, 2020

Ransomware Attacks Surge in COVID19

Overview Commonly known as a malware from cryptovirology, Ransomware encrypts victim’s data and makes it inaccessible. The threat actors that operate a ransomware demand a ransom […]
June 2, 2020

Nanocore RAT Malware Analysis

About this Report The goal of this report is to provide actionable intelligence against threat actors along with malware or other tools they use for reconnaissance, […]
May 10, 2020

COVID-19 Remote Collaboration Challenges, Threats and Frauds in the Cyberspace

Overview Earlier in our blog, we listed many cyber-attacks launched by adversaries that were making use of the COVID19 fear to target victims. This blog reflects […]
May 1, 2020

4 Reasons Why You Should Outsource Your SOC

The Security Operations Center (SOC) is a specialized area of cyber security that maintains a detailed situational awareness of your organizational assets to prevent from threats […]
April 20, 2020

Sidewinder APT Group Campaign Analysis

Summary Hardcore Nationalist (HN2) aka Sidewinder APT Group, which has been working in the interest of Indian Government, has been observed targeting Pakistani Government Officials through […]
April 15, 2020

RagnarLocker Ransomware Hits EDP Energy Giant for $10.9M

Overview Attackers using the Ragnar Locker ransomware have encrypted the systems of Portuguese multinational energy giant Energias de Portugal (EDP) and are now asking for a […]
April 11, 2020

Rewterz Official Statement on the Reported Data Breach of 115M Pakistani Mobile Users

On Friday night at 12:15 AM our Threat Intelligence team published an advisory regarding Pakistani mobile user data being sold on the dark web for a […]
April 10, 2020

115 Million Pakistani Mobile Users Data Go on Sale on Dark Web

Rewterz, a pioneer of specialized cybersecurity services in Pakistan, has discovered a data dump of 115 million Pakistani mobile users data that have shown up for […]
April 6, 2020

Maze Ransomware Targets State-owned oil Company of Algeria

Overview Latest campaign of Maze ransomware has targeted and encrypted data from Berkine, a joint venture between Sonatrach, the state-owned oil company of Algeria, and the […]

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April 30, 2019

Rewterz Threat Alert – Tech Support Scam Employs New Trick by Using Iframe to Freeze Browsers

Severity Medium Analysis Summary A new technical support scam (TSS) campaign surfaced using iframe in combination with basic pop-up authentication to freeze a user’s browser. This […]
April 30, 2019

Rewterz Threat Alert – Buhtrap backdoor and ransomware distributed via major advertising platform

Severity Medium Analysis Summary Recently, some threat actors distributed their malware by abusing Yandex.Direct and hosted it on GitHub. The group used two well-known backdoors — […]
April 26, 2019

Rewterz Threat Advisory – Oracle WebLogic Zero-day Vulnerability

Severity Medium Analysis Summary Oracle WebLogic application contains a critical deserialization remote code execution vulnerability that affects all versions of the software, which can be triggered […]
April 25, 2019

Rewterz Threat Alert – DNSpionage Threat Actors Resurface With “Karkoff” Malware

Severity Medium Analysis Summary The DNSpionage malware campaign has resurfaced with a new sophisticated operation that infects selected victims with a new variant of the DNSpionage […]
April 25, 2019

Rewterz Threat Alert – Standard Chartered Themed Phishing Email

Severity Medium Analysis Summary A phishing email was reported which falsely appears to be coming from Standard Chartered bank, having a malicious DOC file as attachment. […]
April 25, 2019

Rewterz Threat Advisory – Google Chrome Multiple Vulnerabilities

Severity High Analysis Summary A number of vulnerabilities are reported in Google Chrome. 1) A use-after-free error related to PDFium can be exploited to corrupt memory. […]
April 25, 2019

Rewterz Threat Advisory – Oracle Linux update for kernel Denial of Service Vulnerabilities

Severity Medium Analysis Summary CVE-2019-6974In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free. CVE-2019-7221The […]
April 24, 2019

Rewterz Threat Alert – Malspam Campaigns leading to Emotet and Bot Communications

Severity Medium Analysis Summary Following Malspam campaigns have been observed: One Microsoft Word document was reported containing a PowerShell script that downloads a payload. The payload […]
April 24, 2019

Rewterz Threat Advisory – CVE-2019-10955 – Rockwell Automation MicroLogix 1400 and CompactLogix 5370 Controllers

Severity Medium Analysis Summary An open redirect vulnerability could allow a remote unauthenticated attacker to input a malicious link to redirect users to a malicious site […]