SdBot (also known as SdBot, rBot) is a botnet active since 2004. Legacy IRC-based botnet. Key characteristics include: IRC C2, DDoS, credential theft, file download, one of earliest widespread botnets.
Overview & Background
Legacy IRC-based botnet. First identified in 2004, this threat is attributed to eCrime.
Threat Assessment
SdBot remains an active threat. Organizations should implement detection rules and monitor for indicators associated with this botnet.
- Category: Botnet
- Active since: 2004
- Attribution: eCrime
- Also known as: SdBot, rBot
Technical Analysis
SdBot employs the following capabilities and techniques:
- Irc C2: Core functionality
- Ddos: Core functionality
- Credential Theft: Core functionality
- File Download: Core functionality
- One Of Earliest Widespread Botnets: Core functionality
MITRE ATT&CK Mapping
| Tactic | Technique | Usage |
|---|---|---|
| Initial Access | T1566.001 Phishing Attachment | Common delivery vector |
| Execution | T1204.002 Malicious File | User-triggered execution |
| Persistence | T1547.001 Registry Run Keys | Autostart persistence |
| Defense Evasion | T1027 Obfuscated Files | Payload obfuscation |
| C2 | T1071.001 Web Protocols | HTTP/HTTPS C2 |
Detection & Defense
- Endpoint detection: Deploy behavioral detection rules for SdBot indicators
- Network monitoring: Monitor for C2 traffic patterns and anomalous connections
- Threat intelligence: Track SdBot IOCs and campaign updates
- Security awareness: Train users to recognize phishing and social engineering
- Patch management: Keep systems updated to prevent exploitation
Defend Against SdBot
Mjolnir Security provides detection and response capabilities against SdBot and similar threats.
Threat DetectionIncident ResponseThreat HuntingMDR ServicesThreat Intelligence
- Proactive Threat Hunting Hunt for SdBot indicators and TTPs within your environment.
- Threat Intelligence Monitor SdBot campaigns and infrastructure changes.
- 24/7 Incident Response Rapid containment and forensic investigation. Call +1 833 403 5875.
Written by: Mjolnir Security | Published: August 10, 2025
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