Watchbog and the Importance of Patching

By Luke DuCharme and Paul Lee. What Happened? Cisco Incident Response CSIRS recently responded to an incident involving the Watchbog cryptomining botnet. The attackers were able to exploit CVE-2018-1000861 to gain a foothold and install the Watchbog malware on the affected systems. This Linux-bas...

PsiXBot Adds PornModule, Google DNS Service to Its Arsenal

The PsiXBot malware has made a few changes in recent weeks, including implementing Google’s DNS over HTTPS DoH and adding the blackmail-ready “PornModule” to its bag of tricks. PsiXBot is a multi-use Windows malware that has a range of capabilities, including keylogging, stealing passwords and...

FunkyBot Malware Intercepts Android Texts, 2FA Codes

An Android malware dubbed “FunkyBot” has started making the scene in Japan, operated by the same attackers responsible for the FakeSpy malware. It intercepts SMS messages sent to and from infected devices. According to FortiGuard Labs, the malware named after logging strings found in the...

CB TAU Threat Intelligence Notification: Winnti Malware 4.0

Winnti is a family of malware used by multiple Chinese threat actors like APT41. Carbon Black’s Threat Analysis Unit TAU is providing this technical analysis, YARA rules, IOCs and product rules for the research community. Behavioral Summary Winnti malware is installed manually with stolen...

CB TAU Threat Intelligence Notification: State-Sponsored Espionage Group Targeting Multiple Verticals with ‘Crosswalk’

FireEye recently reported on APT41, a Chinese state-sponsored espionage group. The group has been documented as targeting healthcare, high-tech, and telecommunications companies for traditional corporate espionage purposes. Additionally this group has also targeted companies in the video game...

Nuages - A Modular C2 Framework

Nuages is a modular C2 framework. Refer to the Wiki for documentation, do not hesitate to open issues for help, bug reports or feature requests Introduction Nuages aims at being a C2 framework in which back end elements are open source, whilst implants and handlers must be developed ad hoc by...

Dangerous Cryptomining Worm Racks Up 850K Infections, Self-Destructs

A French and U.S. law-enforcement effort has neutralized 850,000 infections by a cryptomining worm known as Retadup, by causing the threat to destroy itself. The worm has been distributing the malicious XMRig cryptocurrency miner to computers running the Windows operating system, mostly in Latin...

TP-Link Archer C3200 and Archer C2 Input Validation Error Vulnerability (CNVD-2019-31310)

The TP-Link Archer C3200 and Archer C2 are both a wireless router from China's P&L TP-Link. An input validation error vulnerability exists in the TP-Link Archer C3200 and Archer C2, which can be exploited by an attacker to transfer data between two isolated network segments on the same device...

TP-Link Archer C3200 and Archer C2 Input Validation Error Vulnerability (CNVD-2019-31311)

The TP-Link Archer C3200 and Archer C2 are both a wireless router from China's P&L TP-Link. An input validation error vulnerability exists in the TP-Link Archer C3200 and Archer C2, which can be exploited by an attacker to transfer data between two isolated network segments on the same device...

TP-Link Archer C3200 and Archer C2 Input Validation Error Vulnerability

The TP-Link Archer C3200 and Archer C2 are both a wireless router from China's P&L TP-Link. An input validation error vulnerability exists in the TP-Link Archer C3200 and Archer C2, which can be exploited by an attacker to transfer data between two isolated network segments on the same device...

CVE-2019-13267

TP-Link Archer C3200 V1 and Archer C2 V1 devices have Insufficient Compartmentalization between a host network and a guest network that are established by the same device. In order to transfer data from the host network to the guest network, the sender joins and then leaves an IGMP group. After i...

CVE-2019-13266

TP-Link Archer C3200 V1 and Archer C2 V1 devices have Insufficient Compartmentalization between a host network and a guest network that are established by the same device. A DHCP Request is sent to the router with a certain Transaction ID field. Following the DHCP protocol, the router responds wi...

Design/Logic Flaw

TP-Link Archer C3200 V1 and Archer C2 V1 devices have Insufficient Compartmentalization between a host network and a guest network that are established by the same device. A DHCP Request is sent to the router with a certain Transaction ID field. Following the DHCP protocol, the router responds wi...

CVE-2019-13266

TP-Link Archer C3200 V1 and Archer C2 V1 devices have Insufficient Compartmentalization between a host network and a guest network that are established by the same device. A DHCP Request is sent to the router with a certain Transaction ID field. Following the DHCP protocol, the router responds wi...

CVE-2019-13266

CVE-2019-13266 describes an insufficient compartmentalization vulnerability on TP-Link Archer C3200 V1 and Archer C2 V1 routers. The issue arises when a DHCP request’s 32-bit Transaction ID is reused across Host and Guest networks, causing the router to respond with a NAK to both networks and ena...

CVE-2019-13267

TP-Link Archer C3200 V1 and Archer C2 V1 devices have Insufficient Compartmentalization between a host network and a guest network that are established by the same device. In order to transfer data from the host network to the guest network, the sender joins and then leaves an IGMP group. After i...

CVE-2019-13267

The CVE-2019-13267 entry concerns TP-Link Archer C3200 V1 and Archer C2 V1 routers with insufficient isolation between host and guest networks on the same device. The root cause is a mechanism where, during IGMP group joins/leaves, the router creates an IGMP Membership Query using the Group IP, s...

PoshC2 - C2 Server and Implants

PoshC2 is a proxy aware C2 framework that utilises Powershell and/or equivalent System.Management.Automation.dll to aid penetration testers with red teaming, post-exploitation and lateral movement. Powershell was chosen as the base implant language as it provides all of the functionality and rich...

Adwind Spyware-as-a-Service Attacks Utility Grid Operators

A phishing campaign that spoofs a PDF attachment to deliver Adwind spyware has been taking aim at national grid utilities infrastructure. Adwind, a.k.a. JRAT or SockRat, is being used in a malware-as-a-service model in this campaign, researchers said. It offers a full cadre of info-gathering...

goDoH - A DNS-over-HTTPS C2

godoh is a proof of concept Command and Control framework, written in Golang, that uses DNS-over-HTTPS as a transport medium. Currently supported providers include Google, Cloudflare but also contains the ability to use traditional DNS. Installation All you would need are the godoh binaries...