Malware Attack on Aviation Sector Uncovered After Going Unnoticed for 2 Years

A targeted phishing campaign aimed at the aviation industry for two years may be spearheaded by a threat actor operating out of Nigeria, highlighting how attackers can carry out small-scale cyber offensives for extended periods of time while staying under the radar. Cisco Talos dubbed the malware...

Operation ‘Harvest’: A Deep Dive into a Long-term Campaign

ARCHIVED STORY Operation ‘Harvest’: A Deep Dive into a Long-term Campaign By Christiaan Beek · September 14, 2021 A special thanks to our Professional Services’ IR team,ShadowServer, for historical context on C2 domains, and Thomas Roccia/Leandro Velasco for malware analysis support. Executive...

SOVA, Worryingly Sophisticated Android Trojan, Takes Flight

A new Android banking trojan named SOVA “owl” in Russian is under active development, researchers said, and it has big dreams even in its infancy stage. The malware is looking to incorporate distributed denial of service DDoS, man in the middle MiTM and ransomware functionality into its arsenal –...

BeaconEye - Hunts Out CobaltStrike Beacons And Logs Operator Command Output

BeaconEye scans running processes for active CobaltStrike beacons. When processes are found to be running beacon, BeaconEye will monitor each process for C2 activity. How it works BeaconEye will scan live processes or MiniDump files for suspected CobaltStrike beacons. In live process mode,...

CVE-2021-33191

From Apache NiFi MiNiFi C++ version 0.5.0 the c2 protocol implements an "agent-update" command which was designed to patch the application binary. This "patching" command defaults to calling a trusted binary, but might be modified to an arbitrary value through a "c2-update" command. Said command ...

CVE-2021-33191

From Apache NiFi MiNiFi C++ version 0.5.0 the c2 protocol implements an "agent-update" command which was designed to patch the application binary. This "patching" command defaults to calling a trusted binary, but might be modified to an arbitrary value through a "c2-update" command. Said command ...

Effective Threat-Hunting Queries in a Redacted World

A decade ago, hunting for adversary infrastructure was often as simple as monitoring a domain registrant’s name or phone number in public WHOIS records. As bad actors have moved first toward privacy protection services and then gained further obscurity behind laws such as the General Data...

CVE-2021-33191 MiNiFi CPP arbitrary script execution is possible on the agent's host machine through the c2 protocol

From Apache NiFi MiNiFi C++ version 0.5.0 the c2 protocol implements an "agent-update" command which was designed to patch the application binary. This "patching" command defaults to calling a trusted binary, but might be modified to an arbitrary value through a "c2-update" command. Said command ...

InkySquid State Actor Exploiting Known IE Bugs

The InkySquid advanced persistent threat APT group, which researchers have linked to the North Korean government, was caught launching watering hole attacks against a South Korean newspaper using known Internet Explorer vulnerabilities. New analysis from Volexity reported its team of researchers...

PickleC2 - A Post-Exploitation And Lateral Movements Framework

PickleC2 is a post-exploitation and lateral movements framework. Documentation ReadTheDocs Overview PickleC2 is a simple C2 framework written in python3 used to help the community in Penetration Testers in their red teaming engagements. PickleC2 has the ability to import your own PowerShell modul...

Nimplant - A Cross-Platform Implant Written In Nim

Nimplant is a cross-platform Linux & Windows implant written in Nim as a fun project to learn about Nim and see what it can bring to the table for red team tool development. Currently, Nimplant lacks extensive evasive tradecraft; however, overtime Nimplant will become much more sophisticated...

CVE-2021-36798

A Denial-of-Service DoS vulnerability was discovered in Team Server in HelpSystems Cobalt Strike 4.2 and 4.3. It allows remote attackers to crash the C2 server thread and block beacons' communication with it...

Denial of service

A Denial-of-Service DoS vulnerability was discovered in Team Server in HelpSystems Cobalt Strike 4.2 and 4.3. It allows remote attackers to crash the C2 server thread and block beacons' communication with it...

CVE-2021-36798

A Denial-of-Service DoS vulnerability was discovered in Team Server in HelpSystems Cobalt Strike 4.2 and 4.3. It allows remote attackers to crash the C2 server thread and block beacons' communication with it...

Black Hat 2021: Rapid7 Experts Share Key Day 2 Takeaways

Here we are again, back for another day of Rapid7 expert debriefings and analysis for some of the most talked-about Black Hat sessions of this year. So without further delay, let’s take it away! Get more DEF CON 2021 insights from our Research team on Tuesday, August 10 Sign up for our What...

CVE-2021-37388

A buffer overflow in D-Link DIR-615 C2 3.03WW. The pingipaddr parameter in pingresponse.cgi POST request allows an attacker to crash the webserver and might even gain remote code execution...

CVE-2021-37388

A buffer overflow in D-Link DIR-615 C2 3.03WW. The pingipaddr parameter in pingresponse.cgi POST request allows an attacker to crash the webserver and might even gain remote code execution...

CVE-2021-37388

A buffer overflow in D-Link DIR-615 C2 3.03WW. The pingipaddr parameter in pingresponse.cgi POST request allows an attacker to crash the webserver and might even gain remote code execution...

CVE-2021-37388

CVE-2021-37388 affects the D-Link DIR-615 C2 router (firmware 3.03WW). A buffer overflow in the ping_ipaddr parameter of the ping_response.cgi POST request allows an attacker to crash the webserver and may enable remote code execution. The connected documents confirm the component and root cause ...

Experts Uncover Several C&C Servers Linked to WellMess Malware

Cybersecurity researchers on Friday unmasked new command-and-control C2 infrastructure belonging to the Russian threat actor tracked as APT29, aka Cozy Bear, that has been spotted actively serving WellMess malware as part of an ongoing attack campaign. More than 30 C2 servers operated by the...