Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MSIL/Spy.Agent.CVT CnC Exfil"; flow:established,to_server; http.method; content:"POST"; http.host; content:".onion"; endswith; http.request_line; content:".onion/stealer/"; fast_pattern; http.uri; content:"/stealer/"; startswith; content:"?pwds="; distance:8; content:"&cards="; within:12; content:"&wlts="; within:8; content:"&files="; within:10; content:"&user="; distance:0; content:"&ip="; distance:0; reference:md5,c5ba2308ef1f4c2735f61c249076622d; reference:url,inquest.net/blog/2022/05/25/tandem-espionage; classtype:trojan-activity; sid:2036689; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_05_26, deployment Perimeter, malware_family MSIL_Spy_Agent_CVT, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_26;)