Revenge

Overview

Backdoor:Win32/Revenge (or Revenge RAT) is a highly capable, commercially available Remote Access Trojan (RAT). Written in .NET, it is widely utilized by both script kiddies and Advanced Persistent Threat (APT) groups due to its ease of use, extensive plugin architecture, and robust control panel.

Understanding Revenge RAT
To the victim, a Revenge RAT infection is completely invisible. For threat intelligence analysts, encountering Revenge RAT indicates a significant breach. Because the source code has been leaked and modified extensively on underground forums, attribution is extremely difficult. The RAT provides the attacker with absolute, interactive control over the compromised endpoint, functioning as a full surveillance and post-exploitation platform.

Execution and Evasion Strategies
Revenge RAT is typically distributed via spearphishing campaigns containing weaponized Office documents, malicious links, or disguised executables. Upon execution, it often utilizes standard 'crypters' or packers to evade static AV detection. It drops its core executable into the `%AppData%` directory and establishes persistence via the Registry Run keys or Startup folder. Revenge RAT boasts a massive feature set: it can log keystrokes (`T1056.001`), capture webcam and microphone feeds (`T1125`), steal saved browser credentials, interact with the command prompt, and download/execute secondary payloads. It communicates with its C2 server using a custom, often encrypted, TCP protocol.

Indicators of Compromise & Impact
The impact is total endpoint compromise, massive data exfiltration, and severe privacy violations. EDR platforms are highly effective at detecting the behavioral anomalies of Revenge RAT, such as anomalous keylogging, unauthorized webcam access, or the spawning of `cmd.exe` by an unknown process. Network logs will reveal continuous, beaconing traffic to the attacker's C2 server. Memory forensics is crucial to extract the decrypted RAT configuration, which contains the specific C2 IP address/domain and the attacker's preferred port.

MITRE ATT&CK Techniques

Observed techniques used by this family, mapped to the MITRE ATT&CK framework:

Tactical Mitigations

Based on the techniques used by this family, consider the following defensive strategies:

• T1056.001: Implement Endpoint Detection and Response (EDR) to monitor for suspicious API calls related to keystroke interception. Enforce Multi-Factor Authentication (MFA) to render stolen passwords useless.
• T1059.003: Restrict execution of Windows Command Shell (cmd.exe) and block unauthorized batch scripts.
• T1105: Implement network intrusion detection systems (NIDS) and host-based firewalls to block unauthorized inbound or outbound file transfers.
• T1125: Restrict access to local camera or microphone APIs. Utilize endpoint protection that monitors hardware access.

Generated Detections (Boilerplate)

These YARA and Sigma rules are auto-generated based on the family name and aliases. They must be heavily tuned before deployment in a production environment.

YARA Rule

rule MALWARE_WIN_REVENGE {
    meta:
        description = "Detects Revenge (trojan)"
        author = "SystemHelpdesk Boilerplate Generator"
        date = "2026-07-06"
    strings:
        $s1 = "revenge" ascii wide nocase
    condition:
        uint16(0) == 0x5a4d and any of them
}

Sigma Rule

title: Suspicious Revenge Activity
id: aafb6955ddd4f789b34253175b4746e4
status: experimental
description: Detects generic indicators of the revenge malware family.
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith:
            - '\cmd.exe'
            - '\powershell.exe'
        CommandLine|contains:
            - "*revenge*"
    condition: selection
level: medium

Containment & Response Steps

Ordered checklist for responders. Adapt to your environment and engage professional support for active incidents.

1. Instantly isolate the endpoint from the network to sever the attacker's interactive, remote-control session and halt data exfiltration.
2. Capture a full forensic memory image of the machine to extract the decrypted Revenge RAT payload and its C2 configuration.
3. Assume all locally saved passwords and typed data have been compromised; perform a clean OS rebuild and force global password resets.
4. Review network firewall logs to identify the C2 IP address and block it enterprise-wide to prevent further beaconing.

What to Avoid

Common mistakes during response to this family that can destroy evidence, spread the infection, or worsen recovery.

1. Do not leave the machine connected to the network during triage; the attacker has live access and will likely destroy evidence or move laterally.
2. Avoid relying solely on manual file deletion, as the attacker may have already dropped secondary backdoors or established alternative persistence.

References & External Analysis

• Search "revenge" on VirusTotal (External Analysis)

Frequently Asked Questions

Related Families (Category: trojan)

Explore other malware families in the same category:

• Gamaredon
• Sharer
• Mlwr
• Maplestory
• Adkdllwrapper

Machine-readable

Get this profile as JSON: https://jordan123234-malware-families-explorer.static.hf.space/api/revenge.json

Ecosystem & Interactive Environments

This profile is part of the Malware Families Catalog, a public dataset of 2,899 malware families. The catalog is also published across our ecosystem: Hugging Face, Kaggle, Zenodo, Replit, StackBlitz, CodeSandbox, and CodePen.