alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN MoleRAT?/Pierogi Backdoor Activity"; flow:established,to_server; content:"POST"; http_method; content:"cname="; depth:6; http_client_body; pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})/PR"; content:"&av="; within:40; http_client_body; content:"&osversion="; within:50; http_client_body; content:"&aname="; within:50; fast_pattern; http_client_body; content:"&ver="; http_client_body; pcre:"/^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/PR"; http_header_names; content:!"Referer|0d 0a|"; content:!"User-Agent|0d 0a|"; metadata: former_category MALWARE; reference:url,www.cybereason.com/blog/new-cyber-espionage-campaigns-targeting-palestinians-part-2-the-discovery-of-the-new-mysterious-pierogi-backdoor; classtype:trojan-activity; sid:2029431; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, signature_severity Major, created_at 2020_02_13, updated_at 2020_02_13;)

Added 2020-02-13 19:11:46 UTC


Topic revision: r1 - 2020-02-14 - TWikiGuest
 
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