OilRig
APT34 · Helix Kitten · Cobalt Gypsy · Earth Simnavaz
Iran (state-aligned)
Espionage
2014
One of the most persistent espionage groups operating across the Gulf, OilRig conducts long-running intelligence collection against UAE and wider GCC government, energy, and financial targets. It favors patient, credential-driven access and custom backdoors that blend into normal network traffic.
Tactics & Techniques
- Spear-phishing with malicious documents
- DNS tunneling for C2 (DNSExfiltrator-style)
- Custom backdoors (Karkoff, RDAT, Saitama)
- Webshells on internet-facing servers
- Abuse of legitimate cloud and email services
Targeted sectors
Defender takeaway
Repeatedly observed exfiltrating data over DNS and webmail to evade perimeter controls — a reminder to monitor DNS and outbound mail patterns, not just web traffic.