Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Golang/Bandit Stealer Telegram Exfil Activity (POST)"; flow:established,to_server; http.method; content:"POST"; http.host; content:"api.telegram.com"; bsize:16; fast_pattern; http.user_agent; content:"go-http-client/"; startswith; nocase; http.request_body; content:"Banditstealer"; content:"PK"; distance:0; reference:md5,caf4884072724f1d75a6288f27e8e8fe; reference:md5,4ab55868b65dc8f16d9d62edfd1893fa; reference:url,www.zscaler.com/blogs/security-research/technical-analysis-bandit-stealer; classtype:trojan-activity; sid:2046856; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_07_18, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_07_18; target:src_ip;)