MGASA-2022-0008 Updated suricata packages fix security vulnerability

Critical evasion in suricata CVE-2021-35063...

Mortar - Evasion Technique To Defeat And Divert Detection And Prevention Of Security Products (AV/EDR/XDR)

red teaming evasion technique to defeat and divert detection and prevention of security products.Mortar Loader performs encryption and decryption of selected binary inside the memory streams and execute it directly with out writing any malicious indicator into the hard-drive. Mortar is able to...

‘Malsmoke’ Exploits Microsoft’s E-Signature Verification

Threat actors are exploiting Microsoft’s digital signature verification to steal user credentials and other sensitive information by delivering the ZLoader malware, which previously has been used to distribute Ryuk and Conti ransomware, researchers have found. Researchers at Check Point Research...

CVE-2021-22567

Technical details about CVE-2021-22567 are not provided in the supplied documents. Monitor for updates from connected sources.

Purple Fox Rootkit Dropped by Malicious Telegram Installers

A malicious Telegram instant-messaging app installer scurries past a slew of antivirus AV engines to deliver Purple Fox malware, evading detection by separating the attack into bite-sized morsels that fly under the radar. In a Monday report, Minerva Labs said that the attack evades detection by A...

Ongoing Autom Cryptomining Malware Attacks Using Upgraded Evasion Tactics

An ongoing crypto mining campaign has upgraded its arsenal while evolving its defense evasion tactics that enable the threat actors to conceal the intrusions and fly under the radar, new research published today has revealed. Since first detected in 2019, a total of 84 attacks against its honeypo...

Code injection

Sandbox component in Avast Antivirus prior to 20.4 has an insecure permission which could be abused by local user to control the outcome of scans, and therefore evade detection or delete arbitrary system files...

Rook: New Ransomware in the market scavenges code from Babuk

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here. Security researchers found new ransomware dubbed as Rook that reuses the code from Babuk which was released earlier. It was initially seen on VirusTotal on November 26th and pwned its first victim, a Kazkh financial...

New BLISTER Malware Using Code Signing Certificates to Evade Detection

Cybersecurity researchers have disclosed details of an evasive malware campaign that makes use of valid code signing certificates to sneak past security defenses and stay under the radar with the goal of deploying Cobalt Strike and BitRAT payloads on compromised systems. The binary, a loader, has...

Microsoft released patch for actively exploited spoofing vulnerability

THREAT LEVEL: Amber. For a detailed advisory, download the pdf file here. Microsoft AppX has a spoofing vulnerability that has been assigned CVE-2021-43890. Attackers are taking advantage of this critical vulnerability by deploying well-known malwares such as Emotet, Trickbot, and Bazaloader. Thi...

New Fileless Malware Uses Windows Registry as Storage to Evade Detection

A new JavaScript-based remote access Trojan RAT propagated via a social engineering campaign has been observed employing sneaky "fileless" techniques as part of its detection-evasion methods to elude discovery and analysis. Dubbed DarkWatchman by researchers from Prevailion's Adversarial...

CVE-2021-45098

An issue was discovered in Suricata before 6.0.4. It is possible to bypass/evade any HTTP-based signature by faking an RST TCP packet with random TCP options of the md5header from the client side. After the three-way handshake, it's possible to inject an RST ACK with a random TCP md5header option...

CVE-2021-45098

An issue was discovered in Suricata before 6.0.4. It is possible to bypass/evade any HTTP-based signature by faking an RST TCP packet with random TCP options of the md5header from the client side. After the three-way handshake, it's possible to inject an RST ACK with a random TCP md5header option...

Magecart Skimmers Are Alive and Well – Constant Vigilance Is Required

Magecart skimmers are here to stay, and they’re becoming more sophisticated, more creative, and harder to detect. In this post, we reveal a new skimmer infrastructure that targets ecommerce sites all over the world with advanced methods of detection evasion and obfuscation...

Jektor - A Windows User-Mode Shellcode Execution Tool That Demonstrates Various Techniques That Malware Uses

This utility focuses on shellcode injection techniques to demonstrate methods that malware may use to execute shellcode on a victim system Dynamically resolves API functions to evade IAT inclusion Includes usage of undocumented NT Windows API functions Supports local shellcode execution via...

Best practices for AI security risk management

Today, we are releasing an AI security risk assessment framework as a step to empower organizations to reliably audit, track, and improve the security of the AI systems. In addition, we are providing new updates to Counterfit, our open-source tool to simplify assessing the security posture of AI...

Exploit for Incorrect Default Permissions in Microsoft

Awesome Red Teaming List of Awesome Red Team / Red Teaming Resources This list is for anyone wishing to learn about Red Teaming but do not have a starting point. Anyway, this is a living resources and will update regularly with latest Adversarial Tactics and Techniques based on Mitre ATT&CK You c...

ZipExec - A Unique Technique To Execute Binaries From A Password Protected Zip

ZipExec is a Proof-of-Concept POC tool to wrap binary-based tools into a password-protected zip file. This zip file is then base64 encoded into a string that is rebuilt on disk. This encoded string is then loaded into a JScript file that when executed, would rebuild the password-protected zip fil...

Crypto Hackers Using Babadeda Crypter to Make Their Malware Undetectable

A new malware campaign has been discovered targeting cryptocurrency, non-fungible token NFT, and DeFi aficionados through Discord channels to deploy a crypter named "Babadeda" that's capable of bypassing antivirus solutions and stage a variety of attacks. "This malware installer has been used in ...

CronRAT: A New Linux Malware That's Scheduled to Run on February 31st

Researchers have unearthed a new remote access trojan RAT for Linux that employs a never-before-seen stealth technique that involves masking its malicious actions by scheduling them for execution on February 31st, a non-existent calendar day. Dubbed CronRAT, the sneaky malware "enables server-sid...