alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET TROJAN MSIL/n2019cov (COVID-19) Ransomware CnC? Checkin"; flow:established,to_server; content:"POST"; http_method; content:".php"; http_uri; isdataat:!1,relative; content:"usuario="; http_client_body; depth:8; content:"|20|-|20|"; http_client_body; distance:0; content:"|20|-|20|"; http_client_body; distance:0; content:"&llave1="; http_client_body; distance:0; content:"&llave2="; http_client_body; distance:0; fast_pattern; http_header_names; content:!"Referer"; content:!"User-Agent"; metadata: former_category MALWARE; reference:md5,f02e5ae5b997e447a43ace281bc2bae9; classtype:trojan-activity; sid:2029736; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, deployment Perimeter, deployment SSLDecrypt, signature_severity Major, created_at 2020_03_25, updated_at 2020_03_25;)

Added 2020-03-25 19:12:50 UTC


Topic revision: r1 - 2020-03-25 - TWikiGuest
 
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