Github: Brute Ratel

Brute Ratel’s agents are called "Badgers." They are lightweight, highly obfuscated payloads injected into legitimate system processes.

: This compatibility layer allows operators to execute Beacon Object Files (BOFs) originally written for Cobalt Strike directly inside Brute Ratel. It translates Cobalt Strike's API entry points (like BeaconPrintf ) into Brute Ratel equivalents (like BadgerDispatch ), giving BRC4 users instant access to hundreds of open-source post-exploitation scripts hosted on GitHub. 3. Open-Source Hunting and Detection Tools

is a commercial command-and-control (C2) framework for red teaming and adversarial simulation. It is not open source — it's a paid, licensed product.

Security organizations often maintain public repositories featuring rules designed to catch active memory allocations or C2 communications related to BRC4. For instance, repositories like the Immersive Labs BruteRatel Detection Tools contain custom rules built to catch Badger patterns. brute ratel github

[Initial Access] ──> [ISO/VHD Payload] ──> [DLL Side-Loading] ──> [Badger Execution] ──> [C2 Callout]

rule Detect_BruteRatel_Badger meta: description = "Detects core artifacts of Brute Ratel C4 Badgers" author = "Threat Intel Community" reference = "GitHub Security Resources" strings: $b1 = 48 89 5C 24 08 48 89 6C 24 10 48 89 74 24 18 57 48 83 EC 20 // Common shellcode pattern $s1 = "b90a3ebfbc26ec49" Hex // Example internal configuration salt $s2 = "X-B4dger" Private condition: uint16(0) == 0x5A4D and ($b1 or all of ($s*)) Use code with caution. 5. Mitigation and Best Practices

However, please be aware that:

Brute Ratel is a commercial post-exploitation tool similar to Cobalt Strike, but specifically engineered to evade modern Endpoint Detection and Response (EDR) and Antivirus (AV) solutions.

Here is a look at what Brute Ratel is, its presence on GitHub, and how the community is responding. What is Brute Ratel C4?

Nero22k/teamsc2: Brute Ratel External C2 (Microsoft Teams) - GitHub Brute Ratel’s agents are called "Badgers

Unlike traditional penetration testing frameworks, Brute Ratel does not include vulnerability scanning or exploitation generation features. Instead, it is laser-focused on post-exploitation capabilities, making it what its creator describes as a "Customized Command and Control Center" for red teaming and adversary simulation. This focus on stealth and evasion has made it increasingly popular, not just among legitimate security professionals but also with threat actors, ransomware groups, and even nation-state hackers.

Some of the notable features of Brute Ratel include:

Despite Brute Ratel's growing popularity, comprehensive documentation in English remains somewhat limited. Official tutorials are available through the Brute Ratel website and YouTube channel, but many users rely on community-generated content. For non-English speakers, there are tutorials in Chinese, such as the "brc4 1.2.2入门使用教程," which covers installation using key generators, operator configuration, listener setup, and payload generation. For non-English speakers

is a sophisticated Command and Control (C2) framework designed by Mandiant security researcher Chetan Nayak (known as Paranoid Ninja) . While marketed as a commercial tool for legitimate red teams and penetration testers, it has gained significant notoriety in the cybersecurity landscape due to its adoption by advanced persistent threat (APT) groups and ransomware operators.