Versions (4)
Version DetailsCurrent
Rev: 2 • Oct 31, 2019, 12:00 PMET MALWARE MSIL.L4L Stealer IP Check
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE MSIL.L4L Stealer IP Check"; flow:established,to_server; http.method; content:"GET"; http.uri; content:".php?action=getIP"; fast_pattern; endswith; http.header_names; content:!"User-Agent"; content:!"Referer"; content:!"Accept"; reference:md5,918ffdba1014ec647ae24ddc9de9fde9; classtype:command-and-control; sid:2028929; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_10_31, deployment Perimeter, malware_family MSIL_L4L, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_21;)
Oct 31, 2019, 12:00 PM
Oct 21, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 22, 2025, 9:34 PM
rules/emerging-malware.rules