Malware Loader Abuses Google SEO to Expand Payload Delivery

The Gootloader malware loader, previously used for distributing the Gootkit malware family, has undergone what researchers call a “renaissance” when it comes to payload delivery. New research released this week paints Gootloader as an increasingly sophisticated loader framework, which has now...

WdToggle - A Beacon Object File (BOF) For Cobalt Strike Which Uses Direct System Calls To Enable WDigest Credential Caching

A Proof of Concept Cobalt Strike Beacon Object File which uses direct system calls to enable WDigest credential caching and circumvent Credential Guard if enabled. Additional guidance can be found in this blog post: https://outflank.nl/blog/?p=1592 Background This PoC code is based on the followi...

Exploit for CVE-2019-1322

Erebus CobaltStrike后渗透测试插件 部分功能只适用于cobalt strike 4.x 由于异步处理问题，某些功能可能会存在BUG 暂时未找到解决方法，如果大佬们有解决方案，欢迎联系我 更新日志 2020-10-19V1.3.5 - 添加badcmd命令基于badpotato - potatos提权添加badpotato - post模块添加socks功能基于ew 详见post----Socks tunnel - 删除信息收集模块审计功能 更新日志 2020-07-31V1.3.4 - 添加fakelogonscreen命令 - 添加SpaceRunner...

CSSG - Cobalt Strike Shellcode Generator

Adds Shellcode - Shellcode Generator to the Cobalt Strike top menu bar CSSG is an aggressor and python script used to more easily generate and format beacon shellcode Generates beacon stageless shellcode with exposed exit method, additional formatting, encryption, encoding, compression, multiline...

Here's How SolarWinds Hackers Stayed Undetected for Long Enough

Microsoft on Wednesday shared more specifics about the tactics, techniques, and procedures TTPs adopted by the attackers behind the SolarWinds hack to stay under the radar and avoid detection, as cybersecurity companies work towards getting a "clearer picture" of one of the most sophisticated...

Deep dive into the Solorigate second-stage activation: From SUNBURST to TEARDROP and Raindrop

More than a month into the discovery of Solorigate, investigations continue to unearth new details that prove it is one of the most sophisticated and protracted intrusion attacks of the decade. Our continued analysis of threat data shows that the attackers behind Solorigate are skilled campaign...

Deep dive into the Solorigate second-stage activation: From SUNBURST to TEARDROP and Raindrop

More than a month into the discovery of Solorigate, investigations continue to unearth new details that prove it is one of the most sophisticated and protracted intrusion attacks of the decade. Our continued analysis of threat data shows that the attackers behind Solorigate are skilled campaign...

SolarWinds Malware Arsenal Widens with Raindrop

An additional piece of malware, dubbed Raindrop, has been unmasked in the sprawling SolarWinds supply-chain attacks. It was used in targeted attacks after the effort’s initial mass Sunburst compromise, researchers said. The SolarWinds espionage attack, which has affected several U.S. government...

Researchers Discover Raindrop — 4th Malware Linked to the SolarWinds Attack

Cybersecurity researchers have unearthed a fourth new malware strain—designed to spread the malware onto other computers in victims' networks—which was deployed as part of the SolarWinds supply chain attack disclosed late last year. Dubbed "Raindrop" by Broadcom-owned Symantec, the malware joins...

Researchers Discover Raindrop — 4th Malware Linked to the SolarWinds Attack

Cybersecurity researchers have unearthed a fourth new malware strain—designed to spread the malware onto other computers in victims' networks—which was deployed as part of the SolarWinds supply chain attack disclosed late last year. Dubbed "Raindrop" by Broadcom-owned Symantec, the malware joins...

Researchers Disclose Undocumented Chinese Malware Used in Recent Attacks

Cybersecurity researchers have disclosed a series of attacks by a threat actor of Chinese origin that has targeted organizations in Russia and Hong Kong with malware — including a previously undocumented backdoor. Attributing the campaign to Winnti or APT41, Positive Technologies dated the first...

Malicious Software Infrastructure Easier to Get and Deploy Than Ever

Simple to use and deploy offensive security tools, making it easier than ever for criminals with little technical know-how to get in on cybercrime are seeing a significant rise, researchers say. Recorded Future just released findings from its regular year-end observations of malicious...

Threat profile: Egregor ransomware is making a name for itself

What is Egregor? Egregor ransomware is a relatively new ransomware first spotted in September 2020 that seems intent on making its way to the top right now. Egregor is considered a variant of Ransom.Sekhmet based on similarities in obfuscation, API-calls, and the ransom note. As weve reported in...

VideoBytes: Ryuk Ransomware Targeting US Hospitals

Hello Folks! In this Videobyte, we’re talking about why hospitals are being targeted by the Ryuk ransomware, what tricks they are using to pull this off and what their motivations might be. Ryuk ransomware is being spread to hospitals using targeted phishing emails that infect systems with the...

ADSearch - A Tool To Help Query AD Via The LDAP Protocol

A tool written for cobalt-strike's execute-assembly command that allows for more efficent querying of AD. Key Features List all Domain Admins Custom LDAP Search Connect to LDAPS Servers Output JSON data from AD instances Retrieve custom attributes from a generic query i.e. All computers Usage...

Microsoft Teams Users Under Attack in 'FakeUpdates' Malware Campaign

Attackers are using ads for fake Microsoft Teams updates to deploy backdoors, which use Cobalt Strike to infect companies’ networks with malware. Microsoft is warning its customers about the so-called “FakeUpdates” campaigns in a non-public security advisory, according to a report in Bleeping...

Kegtap, Singlemalt, Winekey Malware Serve Up Ransomware to Hospitals

The boozy names might sound like the kind of thing conjured up in a frat-house common room, but malware families Kegtap, Singlemalt and Winekey are being used to gain initial network access in potentially lethal ransomware attacks on healthcare organizations in the midst of a global pandemic,...

Ryuk Ransomware Gang Uses Zerologon Bug for Lightning-Fast Attack

The Ryuk threat actors have struck again, moving from sending a phishing email to complete encryption across the victim’s network in just five hours. That breakneck speed is partially the result of the gang using the Zerologon privilege-escalation bug CVE-2020-1472, less than two hours after the...

Trickbot disrupted

As announced today, Microsoft took action against the Trickbot botnet, disrupting one of the world’s most persistent malware operations. Microsoft worked with telecommunications providers around the world to disrupt key Trickbot infrastructure. As a result, operators will no longer be able to use...

Threat Source newsletter for Sept. 24, 2020

Newsletter compiled by Jon Munshaw. Good afternoon, Talos readers. After months years? in beta, an official release candidate is out now for Snort 3. Stay tuned for an officially official release in about a month. In other Snort rules, we also have a deep dive into our detection and prevention of...