Mario Guerra Soto (@marioguerrasoto) 's Twitter Profile
Mario Guerra Soto

@marioguerrasoto

DFIR and malware analyst. Author.

ID: 500103814

calendar_today22-02-2012 20:13:19

11,11K Tweet

2,2K Takipçi

2,2K Takip Edilen

Virus Bulletin (@virusbtn) 's Twitter Profile Photo

Huntress researchers Anna Pham, Tanner Filip & Dani Lopez look into a new ClickFix variant dubbed “CrashFix” that intentionally crashes the browser then baits users into running malicious commands, and ModeloRAT. huntress.com/blog/malicious…

Huntress researchers Anna Pham, Tanner Filip & Dani Lopez look into a new ClickFix variant dubbed “CrashFix” that intentionally crashes the browser then baits users into running malicious commands, and ModeloRAT. huntress.com/blog/malicious…
Virus Bulletin (@virusbtn) 's Twitter Profile Photo

Fortinet researchers found a phishing campaign delivering a new variant of Remcos, a commercial lightweight RAT with a wide range of capabilities, including system resource management, remote surveillance, network management & Remcos agent management. fortinet.com/blog/threat-re…

Fortinet researchers found a phishing campaign delivering a new variant of Remcos, a commercial lightweight RAT with a wide range of capabilities, including system resource management, remote surveillance, network management & Remcos agent management. fortinet.com/blog/threat-re…
Virus Bulletin (@virusbtn) 's Twitter Profile Photo

Infoblox researchers managed to snoop on the communications of an affiliate advertising push notification system whose DNS records were left misconfigured, allowing the researchers to receive a copy of every ad they sent victims, and recorded metrics. infoblox.com/blog/threat-in…

Infoblox researchers managed to snoop on the communications of an affiliate advertising push notification system whose DNS records were left misconfigured, allowing the researchers to receive a copy of every ad they sent victims, and recorded metrics. infoblox.com/blog/threat-in…
Expel (@expelsecurity) 's Twitter Profile Photo

ClearFake is a malware campaign that displays fake CAPTCHA challenges on compromised websites. Their use of legitimate infrastructure has its consequences. 1/2

ClearFake is a malware campaign that displays fake CAPTCHA challenges on compromised websites. Their use of legitimate infrastructure has its consequences.

1/2
Florian Roth ⚡️ (@cyb3rops) 's Twitter Profile Photo

Oracle RCE Vulnerability CVSS 10.0 - affecting Weblogic Server Proxy Plug-in for Apache HTTP Server, Weblogic Server Proxy Plug-in for IIS nvd.nist.gov/vuln/detail/CV… oracle.com/security-alert…

Oracle RCE Vulnerability CVSS 10.0 - affecting Weblogic Server Proxy Plug-in for Apache HTTP Server, Weblogic Server Proxy Plug-in for IIS

nvd.nist.gov/vuln/detail/CV…
oracle.com/security-alert…
Group-IB Global (@groupib) 's Twitter Profile Photo

🚨 AI is no longer just enhancing cyberattacks; it’s industrializing them. Group-IB’s first Weaponized AI report reveals how cybercriminals are operationalizing artificial intelligence to drive a fifth wave of cybercrime. Skills that once required human expertise, such as

🚨 AI is no longer just enhancing cyberattacks; it’s industrializing them.

Group-IB’s first Weaponized AI report reveals how cybercriminals are operationalizing artificial intelligence to drive a fifth wave of cybercrime.

Skills that once required human expertise, such as
Costin Raiu (@craiu) 's Twitter Profile Photo

New wave of suspected 0day attacks hitting FortiGate firewalls via malicious SSO logins. Attackers exfil configs, create persistence accounts (secadmin, itadmin, backup…), grant VPN access – all in seconds. Very similar to Dec 2025 campaign tied to FortiCloud SSO bypasses

Virus Bulletin (@virusbtn) 's Twitter Profile Photo

Call for Papers is now open for #VB2026! We're looking for engaging, insightful, and original talks for the 36th VB Conference, taking place 14–16 October 2026 in Seville, Spain 🇪🇸 📅 Deadline: 9 April 2026 📝 Submit your abstract 👉tinyurl.com/5xra8a3v

Call for Papers is now open for #VB2026!

We're looking for engaging, insightful, and original talks for the 36th VB Conference, taking place 14–16 October 2026 in Seville, Spain 🇪🇸

📅 Deadline: 9 April 2026
📝 Submit your abstract 👉tinyurl.com/5xra8a3v
Hunt.io (@huntio) 's Twitter Profile Photo

🚩 Security Bug in Stealc Malware Panel Exposes Operator Data and Victim Lists thehackernews.com/2026/01/securi… Researchers have discovered a configuration error in the back-end panel used to manage Stealc malware campaigns that inadvertently exposed sensitive operator data and victim

Virus Bulletin (@virusbtn) 's Twitter Profile Photo

eSentire Threat Response Unit identified an ongoing campaign deploying a sophisticated, multistage backdoor for the likely purpose of long-term espionage. The campaign targets residents of India with phishing emails that impersonate India's Income Tax dept esentire.com/blog/weaponize…

eSentire Threat Response Unit identified an ongoing campaign deploying a sophisticated, multistage backdoor for the likely purpose of long-term espionage. The campaign targets residents of India with phishing emails that impersonate India's Income Tax dept esentire.com/blog/weaponize…
Ben (@polygonben) 's Twitter Profile Photo

⚠️ New research drop: We’ve uncovered a suspected state-affiliated campaign that’s flown under the radar for ~4 years with some C2 still active today. 😈 We now control one of their C2 domains and have been sinkholing + analysing traffic. ctrlaltintel.com/threat%20resea…

⚠️ New research drop: We’ve uncovered a suspected state-affiliated campaign that’s flown under the radar for ~4 years with some C2 still active today.

😈 We now control one of their C2 domains and have been sinkholing + analysing traffic. 

ctrlaltintel.com/threat%20resea…
Kim Zetter (@kimzetter) 's Twitter Profile Photo

A cyberattack targeting Poland's energy infrastructure in December used wiper malware that would have erased grid computers and rendered them inoperable had it not been thwarted, researchers at ESET told me. zetter-zeroday.com/cyberattack-ta…

ESET Research (@esetresearch) 's Twitter Profile Photo

#BREAKNG #ESETresearch identified the wiper #DynoWiper used in an attempted disruptive cyberattack against the 🇵🇱 Polish energy sector on Dec 29, 2025. At this point, no successful disruption is known, but the malware’s design clearly indicates destructive intent. 1/5

Virus Bulletin (@virusbtn) 's Twitter Profile Photo

ESET Research observed a new instance of Operation DreamJob under the Lazarus umbrella targeting European defence companies, including firms tied to the UAV sector. Researchers provide a high-level overview of the tools used. welivesecurity.com/en/eset-resear…

ESET Research observed a new instance of Operation DreamJob under the Lazarus umbrella targeting European defence companies, including firms tied to the UAV sector. Researchers provide a high-level overview of the tools used. welivesecurity.com/en/eset-resear…
780th Military Intelligence Brigade (Cyber) (@780thc) 's Twitter Profile Photo

North Korean Lazarus Group creates new version of Contagious Interview that uses VS Code tasks to lauch malware hiding in fake fonts OpenSourceMalware opensourcemalware.com/blog/contagiou…

✞ inversecos (@inversecos) 's Twitter Profile Photo

What separates Chinese cyber ops from Five Eyes? Three things that shifted my thinking about this topic: 1. Early cyber training (90s-2000s) happened on live targets. Not sandboxes, not simulations...actual foreign infrastructure. The "practice" was the operation. Operational

Andy Greenberg (@agreenberg at the other places) (@a_greenberg) 's Twitter Profile Photo

Last year, a human trafficking victim trapped in a crypto scam compound in the Golden Triangle region of Laos contacted me. He proceeded to leak a huge trove of the compound's internal materials. Then he had to get out alive. This is his story. 🧵👇 wired.com/story/he-leake…

The Record From Recorded Future News (@therecord_media) 's Twitter Profile Photo

Building and car alarm systems managed by Russian company Delta have been disrupted by a cyberattack blamed on a "hostile foreign state" therecord.media/russia-delta-s…