Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE PingPull Related Activity (POST)"; http.method; content:"POST"; http.uri; content:"/PROJECT_"; startswith; fast_pattern; content:"_"; within:33; content:!".asp"; content:!".htm"; content:!".php"; http.header_names; content:"|0d 0a|Content-Type|0d 0a|User-Agent|0d 0a|Host|0d 0a|Content-Length|0d 0a|Cache-Control|0d 0a 0d 0a|"; bsize:67; reference:url,unit42.paloaltonetworks.com/pingpull-gallium/; reference:md5,7e01d776a0eb044a11bf91f3a68ce6f5; classtype:trojan-activity; sid:2036968; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_06_13, deployment Perimeter, deployment SSLDecrypt, malware_family Gallium, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_13;)