malware: name: IMDDOS labels: [ bot, ddos ] description: "Once infected with this malware, a host becomes part of the IMDDOS Botnet" kill_chain_phases: [ { kill_chain_name: "lockheed-martin-cyber-kill-chain", phase_name: "exploit" } ] indicator: name: IMDDOS TLHD labels: [ malicious-activity ] description: "Traffic to this domain indicates the source host is infected with IMDDOS malware" valid_from: 2010-04-01T00:00:00Z kill_chain_phases: [ { kill_chain_name: "lockheed-martin-cyber-kill-chain", phase_name: "exploit" } ] pattern: "[ network-traffic:dst_ref.type = 'domain-name' AND network-traffic:dst_ref.value = 'imddos.my03.com' AND network-traffic:dst_port = 9090 ]" indicator: name: IMDDOS Infected Host labels: [ malicious-activity ] description: "Presence of this registry key on a host indicates it is infected with the IMDDOS malware" valid_from: 2010-04-01T00:00:00Z kill_chain_phases: [ { kill_chain_name: "lockheed-martin-cyber-kill-chain", phase_name: "exploit" } ] pattern: "[windows-registry-key:key LIKE 'HKEY_LOCAL_MACHINE\\\\System\\\\CurrentControlSet\\\\Services\\\\SafePrec%' ]" indicator: name: IMDDOS C2 Traffic labels: [ malicious-activity ] description: "Traffic to these domains indicates that the source host is under the control of the IMDDOS malware" valid_from: 2010-04-01T00:00:00Z kill_chain_phases: [ { kill_chain_name: "lockheed-martin-cyber-kill-chain", phase_name: "control" } ] pattern: "[ network-traffic:dst_ref.type = 'domain-name' AND network-traffic:dst_ref.value IN ('dns.ddos.im', 'win2003ddos.3322.org', 'woshindi.3322.org', 'pk518.3322.org', 'huanjue6369029.3322.org', 'qq603535.3322.org', 'qq188588.3322.org', 'hjff.3322.org', '198600.3322.org', 'ankankan.3322.org', 'yinn.3322.org') ]" identity: name: IMDDOS infected host description: "Internal host where Observations were made" observed-data: name: Observed registry key description: "Observation of registry key HKEY_LOCAL_MACHINE\\\\System\\\\CurrentControlSet\\\\Services\\\\SafePrec% " observed-data: name: Observed C2 domains description: "Observation of all/subset of C2 domains - 'dns.ddos.im', 'win2003ddos.3322.org', 'woshindi.3322.org', 'pk518.3322.org', 'huanjue6369029.3322.org', 'qq603535.3322.org', 'qq188588.3322.org', 'hjff.3322.org', '198600.3322.org', 'ankankan.3322.org', 'yinn.3322.org'" observed-data: name: Observed TLHD domain description: "Observation of TLHD domain" sighting: name: Registry key sighting sighting_of_ref: IMDDOS Infected Host observed_data_refs: [Observed registry key] where_sighted_refs: [IMDDOS infected host] sighting: name: C2 domain sighting sighting_of_ref: IMDDOS C2 Traffic observed_data_refs: [Observed C2 domains] where_sighted_refs: [IMDDOS infected host] sighting: name: TLHD domain sighting sighting_of_ref: IMDDOS TLHD observed_data_refs: [Observed TLHD domain] where_sighted_refs: [IMDDOS infected host] course-of-action: name: Delete Registry key description: "delete registry key on the host where it was sighted" course-of-action: name: Kill C2 processes description: "kill processes/applications reaching out to the C2 domains" course-of-action: name: Kill TLHD process description: "kill processes/applications reaching out to the TLHD domain" course-of-action: name: IMDDOS Malware Removal description: "Steps required to remove the IMDDOS Malware from a Windows system" course-of-action: name: IMDDOS TLHD Outbound Block description: "Block outbound traffic to the IMDDOS Target Listing Host Domain. Add domain to blacklist and block a perimeter" course-of-action: name: IMDDOS C2 Outbound Block description: "Block outbound traffic to the IMDDOS C2 Domains. Add C2 domains to blacklist and block a perimeter" relationship: relationship_type: prevents source_ref: IMDDOS TLHD Outbound Block target_ref: IMDDOS TLHD relationship: relationship_type: prevents source_ref: IMDDOS C2 Outbound Block target_ref: IMDDOS C2 Traffic relationship: relationship_type: indicates source_ref: IMDDOS TLHD target_ref: IMDDOS relationship: relationship_type: indicates source_ref: IMDDOS TLHD target_ref: IMDDOS relationship: relationship_type: indicates source_ref: IMDDOS Infected Host target_ref: IMDDOS relationship: relationship_type: indicates source_ref: IMDDOS C2 Traffic target_ref: IMDDOS relationship: relationship_type: applies-to source_ref: Delete Registry key target_ref: Registry key sighting relationship: relationship_type: applies-to source_ref: Kill C2 processes target_ref: C2 domain sighting relationship: relationship_type: applies-to source_ref: Kill TLHD process target_ref: TLHD domain sighting relationship: relationship_type: parent-of source_ref: IMDDOS Malware Removal target_ref: Delete Registry key relationship: relationship_type: parent-of source_ref: IMDDOS Malware Removal target_ref: Kill C2 processes relationship: relationship_type: fixes source_ref: IMDDOS Malware Removal target_ref: IMDDOS