Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Hancitor Checkin"; flow:established,to_server; http.method; content:"POST"; http.uri; content:".php"; endswith; http.header_names; content:!"Referer"; http.request_body; content:"DATA="; startswith; fast_pattern; base64_decode:bytes 156, relative; base64_data; content:"GUID="; content:"&BUILD="; distance:20; content:"&INFO="; distance:0; content:"&EXT="; distance:0; content:"&IP="; distance:0; content:"&TYPE="; distance:0; content:"&WIN="; distance:0; reference:md5,655d778bd44bf0c6660f92f69e48fd64; reference:url,twitter.com/Jane_0stin/status/1467804081708318722; reference:url,app.any.run/tasks/ca223281-a12f-4f03-b0f7-d152747baefb/; classtype:trojan-activity; sid:2034585; rev:2; metadata:attack_target Client_Endpoint, created_at 2021_12_06, deployment Perimeter, malware_family Hancitor, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_12;)