Versions (4)
Version DetailsCurrent
Rev: 1 • Sep 27, 2023, 12:00 PMET MALWARE PeepingTitle Backdoor Related Activity
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE PeepingTitle Backdoor Related Activity"; flow:established,to_server; http.method; content:"GET"; http.uri; pcre:"/\.(?:(cdr|zip|ppt|msf|jpeg|sql))$/"; http.user_agent; content:"calc"; bsize:4; fast_pattern; http.header_names; content:"|0d 0a|User-Agent|0d 0a|Host|0d 0a 0d 0a|"; bsize:22; reference:url,www.sentinelone.com/labs/operation-magalenha-long-running-campaign-pursues-portuguese-credentials-and-pii/; reference:md5,5ffe427533794819a0a949a7eb168201; classtype:trojan-activity; sid:2048312; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_09_27, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_27, reviewed_at 2023_09_27; target:src_ip;)
Sep 27, 2023, 12:00 PM
Sep 27, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 18, 2025, 8:35 PM
rules/emerging-malware.rules