ICMPExfil

ICMP Exfil ICMP Exfil allows you to transmit data via valid ICMP packets. You use the client script to pass in data you wish to exfiltrate, then on the device you're transmitting to you run the server. Anyone watching-- human or security system-- will just see valid ICMP packets, there's nothing...

CVE-2019-5489

CVE 2019-5489 This repository contains Page Cache Side Channel Attacks CVE-2019-5489 proof of concept for Linux. In order to evaluate page cache side channel, I have implemented covert channel between two processes. The sender process send confidential data to a receiver process via the page cach...

SNIcat

SNIcat Server Name Indication Concatenator SNIcat is a proof of concept tool that performs data exfiltration, utilizing a covert channel method via. Server Name Indication , a TLS Client Hello Extension. The tool consists of an agent which resides on the compromised internal host, and a Command...

WebDavC2

WebDAVC2 LAST/CURRENT VERSION: 0.3 Author: Arno0x0x - @Arno0x0x WebDavC2 is a PoC of using the WebDAV protocol with PROPFIND only requests to serve as a C2 communication channel between an agent, running on the target system, and a controller acting as the actuel C2 server. The tool is distribute...

Mistica

Mística --- Mística Logo by JoelGMSec Mística is a tool that allows to embed data into application layer protocol fields, with the goal of establishing a bi-directional channel for arbitrary communications. Currently, encapsulation into HTTP, HTTPS, DNS and ICMP protocols has been implemented, bu...

dns-black-cat

DNS-Black-CatDBC Multi-platform toolkit for an interactive C2C DNS shell, by using DNS-Black-Cat, you will be able to execute system commands in shell mode over a fully encrypted covert channel. Server ported as a python script, which acts as DNS server with required functionalities to provide...

Characterization-and-Detection-of-Cross-Router-Covert-Channels

Characterization and Detection of Cross-Router Covert Channels This repository contains the source code used in the paper "Characterization and Detection of Cross-Router Covert Channels". To access the paper, go to Dr. Oren's laboratory website: orenlab. The full data used in the paper is...

CVE-2023-1206-CVE-2025-40040-CVE-2024-49882

Combined Covert Channel: CVE-2023-1206 + CVE-2024-49882 Overview This project demonstrates a covert communication channel using two Linux kernel vulnerabilities: Component| CVE| Purpose ---|---|--- Sync Channel| CVE-2023-1206| Clock synchronization via IPv6 hash collision timing Data Channel|...

MAL-2026-17374 Malicious code in @rennnpm/baileys (npm)

This package is part of a large family 100+ identified as of September 2026 of near-identical forks of the Baileys WhatsApp Web library that inject a covert channel-subscription action into the WhatsApp socket layer. On connect, the injected code issues an authenticated w:mex FOLLOW query queryid...

HTTP-revshell

Powershell HTTP/S Reverse Shell HTTP-revshell is a tool focused on redteam exercises and pentesters. This tool provides a reverse connection through the http/s protocol. It uses a covert channel to gain control over the victim machine through web requests and thus evade solutions such as IDS, IPS...

DNSExfiltrator

DNSExfiltrator Author: Arno0x0x - @Arno0x0x DNSExfiltrator allows for transfering exfiltrate a file over a DNS request covert channel. This is basically a data leak testing tool allowing to exfiltrate data over a covert channel. DNSExfiltrator has two sides: 1. The server side , coming as a singl...

CJAG

CJAG CJAG is an open-source implementation of our cache-based jamming agreement. The CJAG implementation can be used to establish a cross-VM cache covert channel. The CJAG test application in this repository is used to test a cache-based communication between two co-located virtual machines. It c...

dnscat2-powershell

dnscat2 is a DNS covert channel tool by @iagox86 Ron Bowes which is used to transfer data over DNS requests. This is a powershell version of the dnscat2 C client. Click here for a blog post that gives a more detailed breakdown of the purpose of this script, and how to use it. To use this script,...

RUSTSEC-2026-0385 Non-constant-time mask generation and `u128` comparisons

Summary The ctutils::Choice type has mask generation functions for each unsigned integer size u8, u16, u32, u64, u128. These are const fn and therefore can't reuse the asm!-backed mask generation in the cmov crate that's otherwise used to ensure constant-time. In releases prior to v0.4.4, the...

SPECTER: Covert Data Exfiltration from Air-Gapped Systems Via USB Power Modulation

We present SPECTER, a post-compromise covert channel that uses host-side USB power control to exfiltrate information from air-gapped and network-segregated systems. A transmitter with administrative privileges encodes bits through USB power-management or device-state operations without placing th...

MAL-2026-17412 Malicious code in xzvexpzcbailey (npm)

This package is part of a large family 100+ identified as of September 2026 of near-identical forks of the Baileys WhatsApp Web library that inject a covert channel-subscription action into the WhatsApp socket layer. On connect, the injected code issues an authenticated w:mex FOLLOW query queryid...

Malicious code in xzbails (npm)

This package is part of a large family 100+ identified as of September 2026 of near-identical forks of the Baileys WhatsApp Web library that inject a covert channel-subscription action into the WhatsApp socket layer. On connect, the injected code issues an authenticated w:mex FOLLOW query queryid...

MAL-2026-17410 Malicious code in xzbails (npm)

This package is part of a large family 100+ identified as of September 2026 of near-identical forks of the Baileys WhatsApp Web library that inject a covert channel-subscription action into the WhatsApp socket layer. On connect, the injected code issues an authenticated w:mex FOLLOW query queryid...

Malicious code in xzvexpzcbailey (npm)

This package is part of a large family 100+ identified as of September 2026 of near-identical forks of the Baileys WhatsApp Web library that inject a covert channel-subscription action into the WhatsApp socket layer. On connect, the injected code issues an authenticated w:mex FOLLOW query queryid...

MAL-2026-17381 Malicious code in @wanzlonely/bails4u (npm)

This package is part of a large family 100+ identified as of September 2026 of near-identical forks of the Baileys WhatsApp Web library that inject a covert channel-subscription action into the WhatsApp socket layer. On connect, the injected code issues an authenticated w:mex FOLLOW query queryid...