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SID: 2027710 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 3Jul 15, 2019, 12:00 PM

ET MALWARE Possible APT Sarhurst/Husar/Hussarini/Hassar CnC GET

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Possible APT Sarhurst/Husar/Hussarini/Hassar CnC GET"; flow:to_server,established; urilen:>40; http.method; content:"GET"; http.uri; content:"/?"; depth:2; content:"AAAAAAAAAA"; distance:0; pcre:"/^\/\?(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/"; http.header; content:"Accept|3a 20|Accept|3a|*/*|0d 0a|"; depth:20; fast_pattern; http.user_agent; content:"Mozilla/4.0 (compatible|3b 20|MSIE 5.5|3b 20|Windows NT 5.0)"; depth:50; endswith; reference:url,www.fortinet.com/blog/threat-research/hussarini---targeted-cyber-attack-in-the-philippines.html; classtype:targeted-activity; sid:2027710; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_07_15, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_17;)

Jul 15, 2019, 12:00 PM

Sep 17, 2020, 12:00 PM

Sep 21, 2024, 3:00 AM

Sep 23, 2025, 9:34 PM

rules/emerging-malware.rules