Versions (3)
Version DetailsCurrent
Rev: 2 • Feb 23, 2023, 12:00 PMET MALWARE Cobalt Strike CnC Domain (alidocs .dingtalk .com .wswebpic .com) in DNS Lookup
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Cobalt Strike CnC Domain (alidocs .dingtalk .com .wswebpic .com) in DNS Lookup"; dns.query; content:"alidocs.dingtalk.com.wswebpic.com"; nocase; bsize:33; reference:url,symantec-enterprise-blogs.security.com/blogs/threat-intelligence/hydrochasma-asia-medical-shipping-intelligence-gathering; classtype:domain-c2; sid:2044314; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_02_23, deployment Perimeter, deprecation_reason Relevance, malware_family Cobalt_Strike, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_05_10;)
Feb 23, 2023, 12:00 PM
May 10, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules