Back to Rule

Rule History

SID: 2026081 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 3Sep 5, 2018, 12:00 PM

ET MALWARE OilRig OopsIE CnC Checkin M2

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE OilRig OopsIE CnC Checkin M2"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/pser?"; depth:6; fast_pattern; pcre:"/^[A-F0-9]{10,}(?:BBZ|BBY)[A-F0-9]{,1000}$/Ri"; http.accept_enc; content:"gzip, deflate"; endswith; http.header_names; content:"User-Agent"; content:!"Referer"; reference:url,researchcenter.paloaltonetworks.com/2018/09/unit42-oilrig-targets-middle-eastern-government-adds-evasion-techniques-oopsie/; classtype:command-and-control; sid:2026081; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2018_09_05, deployment Perimeter, malware_family OilRig, malware_family OopsIE, performance_impact Low, confidence High, signature_severity Major, tag APT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_16;)

Sep 5, 2018, 12:00 PM

Sep 16, 2020, 12:00 PM

Sep 21, 2024, 3:00 AM

Sep 29, 2025, 9:34 PM

rules/emerging-malware.rules