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T1105 Ingress Tool Transfer

Adversaries may transfer tools or other files from an external system into a compromised environment. Tools or files may be copied from an external adversary-controlled system to the victim network through the command and control channel or through alternate protocols such as ftp. Once present, adversaries may also transfer/spread tools between victim devices within a compromised environment (i.e. Lateral Tool Transfer).

Files can also be transferred using various Web Services as well as native or otherwise present tools on the victim system.3

On Windows, adversaries may use various utilities to download tools, such as copy, finger, and PowerShell commands such as IEX(New-Object Net.WebClient).downloadString() and Invoke-WebRequest. On Linux and macOS systems, a variety of utilities also exist, such as curl, scp, sftp, tftp, rsync, finger, and wget.2

Item Value
ID T1105
Tactics TA0011
Platforms Linux, Windows, macOS
Version 2.1
Created 31 May 2017
Last Modified 20 April 2022

Procedure Examples

ID Name Description
S0469 ABK ABK has the ability to download files from C2.138
S0331 Agent Tesla Agent Tesla can download additional files for execution on the victim’s machine.302303
S0092 Agent.btz Agent.btz attempts to download an encrypted binary from a specified domain.258
G0130 Ajax Security Team Ajax Security Team has used Wrapper/Gholee, custom-developed malware, which downloaded additional malware to the infected system.364
S0504 Anchor Anchor can download additional payloads.294295
G0138 Andariel Andariel has downloaded additional tools and malware onto compromised hosts.401
G0099 APT-C-36 APT-C-36 has downloaded binary data from a specified domain after the malicious document is opened.390
G0026 APT18 APT18 can upload a file to the victim’s machine.385
G0007 APT28 APT28 has downloaded additional files, including by using a first-stage downloader to contact the C2 server to obtain the second-stage implant.372373245374375
G0016 APT29 APT29 has downloaded additional tools, such as TEARDROP malware and Cobalt Strike, to a compromised host following initial access.304
G0022 APT3 APT3 has a tool that can copy files to remote machines.366
G0050 APT32 APT32 has added JavaScript to victim websites to download additional frameworks that profile and compromise website visitors.404
G0064 APT33 APT33 has downloaded additional files and programs from its C2 server.383384
G0067 APT37 APT37 has downloaded second stage malware from compromised websites.10939788234
G0082 APT38 APT38 used a backdoor, NESTEGG, that has the capability to download and upload files to and from a victim’s machine.432
G0087 APT39 APT39 has downloaded tools to compromised hosts.428429
G0096 APT41 APT41 used certutil to download additional files.425371426
G0143 Aquatic Panda Aquatic Panda has downloaded additional malware onto compromised hosts.408
S0456 Aria-body Aria-body has the ability to download additional payloads from C2.118
S0373 Astaroth Astaroth uses certutil and BITSAdmin to download additional malware. 12712876
S0438 Attor Attor can download additional plugins, updates and other files. 228
S0347 AuditCred AuditCred can download files and additional malware.34
S0473 Avenger Avenger has the ability to download files from C2 to a compromised host.138
S0344 Azorult Azorult can download and execute additional files. Azorult has also downloaded a ransomware payload called Hermes.9192
S0414 BabyShark BabyShark has downloaded additional files from the C2.359360
S0475 BackConfig BackConfig can download and execute additional payloads on a compromised host.343
S0093 Backdoor.Oldrea Backdoor.Oldrea can download additional modules from C2.204
G0135 BackdoorDiplomacy BackdoorDiplomacy has downloaded additional files and tools onto a compromised host.311
S0642 BADFLICK BADFLICK has download files from its C2 server.73
S0128 BADNEWS BADNEWS is capable of downloading additional files through C2 channels, including a new version of itself.265266267
S0337 BadPatch BadPatch can download and execute or update malware.286
S0234 Bandook Bandook can download files to the system.249
S0239 Bankshot Bankshot uploads files and secondary payloads to the victim’s machine.284
S0534 Bazar Bazar can download and deploy additional payloads, including ransomware and post-exploitation frameworks such as Cobalt Strike.330331332333
S0470 BBK BBK has the ability to download files from C2 to the infected host.138
S0574 BendyBear BendyBear is designed to download an implant from a C2 server.218
S0017 BISCUIT BISCUIT has a command to download a file from the C2 server.307
S0268 Bisonal Bisonal has the capability to download files to execute on the victim’s machine.434445
S0190 BITSAdmin BITSAdmin can be used to create BITS Jobs to upload and/or download files.7
S0564 BlackMould BlackMould has the ability to download files to the victim’s machine.49
S0520 BLINDINGCAN BLINDINGCAN has downloaded files to a victim machine.189
S0657 BLUELIGHT BLUELIGHT can download additional files onto the host.88
S0486 Bonadan Bonadan can download additional modules from the C2 server.27
S0360 BONDUPDATER BONDUPDATER can download or upload files from its C2 server.140
S0635 BoomBox BoomBox has the ability to download next stage malware components to a compromised system.280
S0651 BoxCaon BoxCaon can download files.144
S0204 Briba Briba downloads files onto infected hosts.209
G0060 BRONZE BUTLER BRONZE BUTLER has used various tools to download files, including DGet (a similar tool to wget).212
S0471 build_downer build_downer has the ability to download files from C2 to the infected host.138
S0482 Bundlore Bundlore can download and execute new versions of itself.188
S0274 Calisto Calisto has the capability to upload and download files to the victim’s machine.60
S0077 CallMe CallMe has the capability to download a file to the victim from the C2 server.177
S0351 Cannon Cannon can download a payload for execution.243
S0484 Carberp Carberp can download and execute new plugins from the C2 server. 6263
S0348 Cardinal RAT Cardinal RAT can download and execute additional payloads.139
S0465 CARROTBALL CARROTBALL has the ability to download and install a remote payload.4
S0462 CARROTBAT CARROTBAT has the ability to download and execute a remote file via certutil.279
S0572 Caterpillar WebShell Caterpillar WebShell has a module to download and upload files to the system.268
S0160 certutil certutil can be used to download files from a given URL.1617
S0631 Chaes Chaes can download additional files onto an infected machine.308
S0674 CharmPower CharmPower has the ability to download additional modules to a compromised host.100
S0144 ChChes ChChes is capable of downloading files, including additional modules.259260261
G0114 Chimera Chimera has remotely copied tools and malware onto targeted systems.421
S0020 China Chopper China Chopper‘s server component can download remote files.180181182
S0023 CHOPSTICK CHOPSTICK is capable of performing remote file transmission.254
S0667 Chrommme Chrommme can download its code from C2.48
S0054 CloudDuke CloudDuke downloads and executes additional malware from either a Web address or a Microsoft OneDrive account.208
S0106 cmd cmd can be used to copy files to/from a remotely connected external system.23
G0080 Cobalt Group Cobalt Group has used public sites such as and to upload files and then download them to victim computers.3953 The group’s JavaScript backdoor is also capable of downloading files.396
S0154 Cobalt Strike Cobalt Strike can deliver additional payloads to victim machines.120121
S0369 CoinTicker CoinTicker executes a Python script to download its second stage.126
S0608 Conficker Conficker downloads an HTTP server to the infected machine.240
G0142 Confucius Confucius has downloaded additional files and payloads onto a compromised host following initial access.388387
S0492 CookieMiner CookieMiner can download additional scripts from a web server.224
S0137 CORESHELL CORESHELL downloads another dropper from its C2 server.351
S0614 CostaBricks CostaBricks has been used to load SombRAT onto a compromised host.193
S0115 Crimson Crimson contains a command to retrieve files from its C2 server.199317
S0498 Cryptoistic Cryptoistic has the ability to send and receive files.56
S0527 CSPY Downloader CSPY Downloader can download additional tools to a compromised host.19
S0625 Cuba Cuba can download files from its C2 server.291
S0687 Cyclops Blink Cyclops Blink has the ability to download files to target systems.123122
S0497 Dacls Dacls can download its payload from a C2 server.5657
S0334 DarkComet DarkComet can load any files onto the infected machine to execute.172173
G0012 Darkhotel Darkhotel has used first-stage payloads that download additional malware from C2 servers.363
S0187 Daserf Daserf can download remote files.211212
S0255 DDKONG DDKONG downloads and uploads files on the victim’s machine.64
S0616 DEATHRANSOM DEATHRANSOM can download files to a compromised host.46
S0354 Denis Denis deploys additional backdoors and hacking tools to the system.110
S0659 Diavol Diavol can receive configuration updates and additional payloads including wscpy.exe from C2.83
S0200 Dipsind Dipsind can download remote files.125
S0213 DOGCALL DOGCALL can download and execute additional payloads.53
S0600 Doki Doki has downloaded scripts from C2.157
S0695 Donut Donut can download and execute previously staged shellcode payloads.12
S0472 down_new down_new has the ability to download files to the compromised host.138
S0134 Downdelph After downloading its main config file, Downdelph downloads multiple payloads from C2 servers.290
G0035 Dragonfly Dragonfly has copied and installed tools for operations once in the victim environment.442
S0694 DRATzarus DRATzarus can deploy additional tools onto an infected machine.77
S0547 DropBook DropBook can download and execute additional files.171293
S0502 Drovorub Drovorub can download files to a compromised host.207
S0567 Dtrack Dtrack’s can download and upload a file to the victim’s computer.288289
S0024 Dyre Dyre has a command to download and executes additional files.184
S0624 Ecipekac Ecipekac can download additional payloads to a compromised host.67
S0554 Egregor Egregor has the ability to download files from its C2 server.190191
G0066 Elderwood The Ritsol backdoor trojan used by Elderwood can download files onto a compromised host from a remote location.40
S0081 Elise Elise can download additional files from the C2 server for execution.129
S0082 Emissary Emissary has the capability to download files from the C2 server.206
S0363 Empire Empire can upload and download to and from a victim machine.21
S0404 esentutl esentutl can be used to copy files from a given URL.8
S0396 EvilBunny EvilBunny has downloaded additional Lua scripts from the C2.337
S0568 EVILNUM EVILNUM can download and upload files to the victim’s computer.220221
G0120 Evilnum Evilnum can deploy additional components or tools as needed.220
S0401 Exaramel for Linux Exaramel for Linux has a command to download a file from and to a remote C2 server.24187
S0569 Explosive Explosive has a function to download a file to the infected system.66
S0171 Felismus Felismus can download files from remote servers.105
S0267 FELIXROOT FELIXROOT downloads and uploads files to and from the victim’s machine.283277
G0046 FIN7 FIN7 has downloaded additional malware to execute on the victim’s machine, including by using a PowerShell script to launch shellcode that retrieves an additional payload.368369
G0061 FIN8 FIN8 has used remote code execution to download subsequent payloads.433434
S0696 Flagpro Flagpro can download additional malware from the C2 server.151
S0661 FoggyWeb FoggyWeb can receive additional malicious components from an actor controlled C2 server and execute them on a compromised AD FS server.33
G0117 Fox Kitten Fox Kitten has downloaded additional tools including PsExec directly to endpoints.406
G0101 Frankenstein Frankenstein has uploaded and downloaded files to utilize additional plugins.436
S0095 ftp ftp may be abused by adversaries to transfer tools or files from an external system into a compromised environment.910
S0628 FYAnti FYAnti can download additional payloads to a compromised host.67
G0093 GALLIUM GALLIUM dropped additional tools to victims during their operation, including portqry.exe, a renamed cmd.exe file, winrar, and HTRAN.41149
G0047 Gamaredon Group Gamaredon Group has downloaded additional malware and tools onto a compromised host.194424423287
S0168 Gazer Gazer can execute a task to download a file.115116
S0666 Gelsemium Gelsemium can download additional plug-ins to a compromised host.48
S0032 gh0st RAT gh0st RAT can download files to the victim’s machine.335336
S0249 Gold Dragon Gold Dragon can download additional components from the C2 server.276
S0493 GoldenSpy GoldenSpy constantly attempts to download and execute files from the remote C2, including GoldenSpy itself if not found on the system.61
S0588 GoldMax GoldMax can download and execute additional files.5993
G0078 Gorgon Group Gorgon Group malware can download additional files from C2 servers.443
S0531 Grandoreiro Grandoreiro can download its second stage from a hardcoded URL within the loader’s code.5455
S0342 GreyEnergy GreyEnergy can download additional modules and payloads.277
S0632 GrimAgent GrimAgent has the ability to download and execute additional payloads.297
S0561 GuLoader GuLoader can download further malware for execution on the victim’s machine.81
S0132 H1N1 H1N1 contains a command to download and execute a file from a remotely hosted URL using WinINet HTTP requests.282
G0125 HAFNIUM HAFNIUM has downloaded malware and tools–including Nishang and PowerCat–onto a compromised host.389
S0499 Hancitor Hancitor has the ability to download additional files from C2.323
S0214 HAPPYWORK can download and execute a second-stage payload.109
S0170 Helminth Helminth can download additional files.72
S0087 Hi-Zor Hi-Zor has the ability to upload and download files from its C2 server.179
S0394 HiddenWasp HiddenWasp downloads a tar compressed archive from a download server to the system.319
S0009 Hikit Hikit has the ability to download files to a compromised host.108
S0601 Hildegard Hildegard has downloaded additional scripts that build and run Monero cryptocurrency miners.187
S0376 HOPLIGHT HOPLIGHT has the ability to connect to a remote host in order to upload and download files.352
S0431 HotCroissant HotCroissant has the ability to upload a file from the command and control (C2) server to the victim machine.74
S0070 HTTPBrowser HTTPBrowser is capable of writing a file to the compromised system from the C2 server.145
S0203 Hydraq Hydraq creates a backdoor through which remote attackers can download files and additional malware components.225226
S0398 HyperBro HyperBro has the ability to download additional files.163
S0483 IcedID IcedID has the ability to download additional modules and a configuration file from C2.262263
G0136 IndigoZebra IndigoZebra has downloaded additional files and tools from its C2 server.144
G0119 Indrik Spider Indrik Spider has downloaded additional scripts, malware, and tools onto a compromised host.377378
S0604 Industroyer Industroyer downloads a shellcode payload from a remote C2 server and loads it into memory.134
S0260 InvisiMole InvisiMole can upload files to the victim’s machine for operations.324325
S0015 Ixeshe Ixeshe can download and execute additional files.39
S0528 Javali Javali can download payloads from remote C2 servers.76
S0044 JHUHUGIT JHUHUGIT can retrieve an additional payload from its C2 server.174175 JHUHUGIT has a command to download files to the victim’s machine.176
S0201 JPIN JPIN can download files and upgrade itself.125
S0283 jRAT jRAT can download and execute files.147148149
S0648 JSS Loader JSS Loader has the ability to download malicious executables to a compromised host.168
S0215 KARAE KARAE can upload and download files, including second-stage malware.109
S0088 Kasidet Kasidet has the ability to download and execute additional files.133
S0265 Kazuar Kazuar downloads additional plug-ins to load on the victim’s machine, including the ability to upgrade and replace its own binary.146
G0004 Ke3chang Ke3chang has used tools to download files to compromised machines.150
S0585 Kerrdown Kerrdown can download specific payloads to a compromised host based on OS architecture.334
S0487 Kessel Kessel can download additional modules from the C2 server.27
S0387 KeyBoy KeyBoy has a download and upload functionality.341342
S0271 KEYMARBLE KEYMARBLE can upload files to the victim’s machine and can download additional payloads.264
S0526 KGH_SPY KGH_SPY has the ability to download and execute code from remote servers.19
G0094 Kimsuky Kimsuky has downloaded additional scripts, tools, and malware onto victim systems.371370
S0599 Kinsing Kinsing has downloaded additional lateral movement scripts from C2.89
S0437 Kivars Kivars has the ability to download and execute files.312
S0250 Koadic Koadic can download additional files and tools.1514
S0669 KOCTOPUS KOCTOPUS has executed a PowerShell command to download a file to the system.14
S0356 KONNI KONNI can download files and execute them on the victim’s machine.101102
S0236 Kwampirs Kwampirs downloads additional files from C2 servers.80
G0032 Lazarus Group Lazarus Group has downloaded files, malware, and tools from its C2 onto a compromised host.417415416565777300413412420419418414
G0140 LazyScripter LazyScripter had downloaded additional tools to a compromised host.14
G0065 Leviathan Leviathan has downloaded additional scripts and files from adversary-controlled servers.200180
S0395 LightNeuron LightNeuron has the ability to download and execute additional files.192
S0211 Linfo Linfo creates a backdoor through which remote attackers can download files onto compromised hosts.281
S0513 LiteDuke LiteDuke has the ability to download files.186
S0680 LitePower LitePower has the ability to download payloads containing system commands to a compromised host.41
S0681 Lizar Lizar can download additional plugins, files, and tools.99
S0447 Lokibot Lokibot downloaded several staged items onto the victim’s machine.239
S0451 LoudMiner LoudMiner used SCP to update the miner from the C2.111
S0042 LOWBALL LOWBALL uses the Dropbox API to request two files, one of which is the same file as the one dropped by the malicious email attachment. This is most likely meant to be a mechanism to update the compromised host with a new version of the LOWBALL malware.103
S0532 Lucifer Lucifer can download and execute a replica of itself using certutil.75
S0409 Machete Machete can download additional files for execution on the victim’s machine.132
G0059 Magic Hound Magic Hound has downloaded additional code and files from servers onto victims.427
S0652 MarkiRAT MarkiRAT can download additional files and tools from its C2 server, including through the use of BITSAdmin.219
S0500 MCMD MCMD can upload additional files to a compromised host.13
S0459 MechaFlounder MechaFlounder has the ability to upload and download files to and from a compromised host.353
S0530 Melcoz Melcoz has the ability to download additional files to a compromised host.76
G0045 menuPass menuPass has installed updates and new malware on victims.379380
S0455 Metamorfo Metamorfo has used MSI files to download additional files to execute.29303132
S0688 Meteor Meteor has the ability to download additional files for execution on the victim’s machine.107
S0339 Micropsia Micropsia can download and execute an executable from the C2 server.345346
S0051 MiniDuke MiniDuke can download additional encrypted backdoors onto the victim via GIF files.185186
S0083 Misdat Misdat is capable of downloading files from the C2.50
S0080 Mivast Mivast has the capability to download and execute .exe files.137
S0079 MobileOrder MobileOrder has a command to download a file from the C2 server to the victim mobile device’s SD card.177
S0553 MoleNet MoleNet can download additional payloads from the C2.171
G0021 Molerats Molerats used executables to download malicious files from different sources.392393
S0284 More_eggs More_eggs can download and launch additional payloads.320321
S0256 Mosquito Mosquito can upload and download files to the victim.231
G0069 MuddyWater MuddyWater has used malware that can upload additional files to the victim’s machine.4394404415
G0129 Mustang Panda Mustang Panda has downloaded additional executables following the initial infection stage.435
S0228 NanHaiShu NanHaiShu can download additional files from URLs.200
S0336 NanoCore NanoCore has the capability to download and activate additional modules for execution.326327
S0247 NavRAT NavRAT can download files remotely.183
S0272 NDiskMonitor NDiskMonitor can download and execute a file from given URL.267
S0630 Nebulae Nebulae can download files from C2.26
S0691 Neoichor Neoichor can download additional files onto a compromised host.150
S0210 Nerex Nerex creates a backdoor through which remote attackers can download files onto a compromised host.40
S0457 Netwalker Operators deploying Netwalker have used psexec and certutil to retrieve the Netwalker payload.305
S0198 NETWIRE NETWIRE can downloaded payloads from C2 to the compromised host.141142
S0118 Nidiran Nidiran can download and execute files.210
S0385 njRAT njRAT can download files to the victim’s machine.215216
S0353 NOKKI NOKKI has downloaded a remote module for execution.65
G0133 Nomadic Octopus Nomadic Octopus has used malicious macros to download additional files to the victim’s machine.356
S0340 Octopus Octopus can download additional files and tools onto the victim’s machine.354355356
G0049 OilRig OilRig can download remote files onto victims.285
S0439 Okrum Okrum has built-in commands for uploading, downloading, and executing files to the system.223
S0264 OopsIE OopsIE can download files from its C2 server to the victim’s machine.201202
G0116 Operation Wocao Operation Wocao can download additional files to the infected system.376
S0229 Orz Orz can download files onto the victim.200
S0402 OSX/Shlayer OSX/Shlayer can download payloads, and extract bytes from files. OSX/Shlayer uses the curl -fsL “$url” >$tmp_path command to download malicious payloads into a temporary directory.68697071
S0352 OSX_OCEANLOTUS.D OSX_OCEANLOTUS.D has a command to download and execute a file on the victim’s machine.357358
S0598 P.A.S. Webshell P.A.S. Webshell can upload and download files to and from compromised hosts.87
S0626 P8RAT P8RAT can download additional payloads to a target system.67
S0664 Pandora Pandora can load additional drivers and files onto a victim machine.237
S0208 Pasam Pasam creates a backdoor through which remote attackers can upload files.246
G0040 Patchwork Patchwork payloads download additional files from the C2 server.403267
S0587 Penquin Penquin can execute the command code do_download to retrieve remote files from C2.94
S0643 Peppy Peppy can download and execute remote files.199
S0501 PipeMon PipeMon can install additional modules via C2 commands.58
S0124 Pisloader Pisloader has a command to upload a file to the victim machine.344
S0254 PLAINTEE PLAINTEE has downloaded and executed additional plugins.64
G0068 PLATINUM PLATINUM has transferred files using the Intel® Active Management Technology (AMT) Serial-over-LAN (SOL) channel.437
S0435 PLEAD PLEAD has the ability to upload and download files to and from an infected host.28
S0013 PlugX PlugX has a module to download and execute files on the compromised machine.7879
S0428 PoetRAT PoetRAT has the ability to copy files and download/upload files into C2 channels using FTP and HTTPS.349350
S0012 PoisonIvy PoisonIvy creates a backdoor through which remote attackers can upload files.230
S0518 PolyglotDuke PolyglotDuke can retrieve payloads from the C2 server.186
S0453 Pony Pony can download additional files onto the infected system.143
S0150 POSHSPY POSHSPY downloads and executes additional PowerShell code and Windows binaries.85
S0139 PowerDuke PowerDuke has a command to download a file.248
S0685 PowerPunch PowerPunch can download payloads from adversary infrastructure.287
S0145 POWERSOURCE POWERSOURCE has been observed being used to download TEXTMATE and the Cobalt Strike Beacon payload onto victims.158
S0223 POWERSTATS POWERSTATS can retrieve and execute additional PowerShell payloads from the C2 server.117
S0184 POWRUNER POWRUNER can download or upload files from its C2 server.285
S0078 Psylo Psylo has a command to download a file to the system from its C2 server.177
S0147 Pteranodon Pteranodon can download and execute additional files.194195196
S0196 PUNCHBUGGY PUNCHBUGGY can download additional files and payloads to compromised hosts.256257
S0192 Pupy Pupy can upload and download to/from a victim machine.18
S0650 QakBot QakBot has the ability to download additional components and malware.270271272273274275
S0262 QuasarRAT QuasarRAT can download files to the victim’s machine and execute them.2425
S0686 QuietSieve QuietSieve can download and execute payloads on a target host.287
S0629 RainyDay RainyDay can download files to a compromised host.26
G0075 Rancor Rancor has downloaded additional malware, including by using certutil.64
S0055 RARSTONE RARSTONE downloads its backdoor component from a C2 server and loads it directly into memory.252
S0241 RATANKBA RATANKBA uploads and downloads information.213214
S0662 RCSession RCSession has the ability to drop additional files to an infected machine.167
S0495 RDAT RDAT can download files via DNS.222
S0153 RedLeaves RedLeaves is capable of downloading a file from a specified URL.162
S0511 RegDuke RegDuke can download files from C2.186
S0332 Remcos Remcos can upload and download files to and from the victim’s machine.22
S0166 RemoteCMD RemoteCMD copies a file over to the remote system before execution.164
S0592 RemoteUtilities RemoteUtilities can upload and download files to and from a target machine.5
S0125 Remsec Remsec contains a network loader to receive executable modules from remote attackers and run them on the local victim. It can also upload and download files over HTTP and HTTPS.3738
S0379 Revenge RAT Revenge RAT has the ability to upload and download files.205
S0496 REvil REvil can download a copy of itself from an attacker controlled IP address to the victim machine.159160161
S0258 RGDoor RGDoor uploads and downloads files to and from the victim’s machine.135
G0106 Rocke Rocke used malware to download additional malicious files to the target system.405
S0270 RogueRobin RogueRobin can save a new file to the system from the C2 server.169170
S0240 ROKRAT ROKRAT can retrieve additional malicious payloads from its C2 server.232233234235
S0148 RTM RTM can download additional files.339340
S0074 Sakula Sakula has the capability to download files.310
G0034 Sandworm Team Sandworm Team has pushed additional malicious tools onto an infected system to steal user credentials, move laterally, and destroy data.430431
S0461 SDBbot SDBbot has the ability to download a DLL from C2 to a compromised host.106
S0053 SeaDuke SeaDuke is capable of uploading and downloading files.227
S0345 Seasalt Seasalt has a command to download additional files.307307
S0185 SEASHARPEE SEASHARPEE can download remote files onto victims.278
S0382 ServHelper ServHelper may download additional files to execute.197198
S0639 Seth-Locker Seth-Locker has the ability to download and execute files on a compromised host.238
S0596 ShadowPad ShadowPad has downloaded code from a C2 server.90
S0140 Shamoon Shamoon can download an executable to run on the victim.298
G0104 Sharpshooter Sharpshooter downloaded additional payloads after a target was infected with a first-stage downloader.400
S0546 SharpStage SharpStage has the ability to download and execute additional payloads via a DropBox API.171293
S0450 SHARPSTATS SHARPSTATS has the ability to upload and download files.84
S0444 ShimRat ShimRat can download additional files.6
S0445 ShimRatReporter ShimRatReporter had the ability to download additional payloads.6
S0217 SHUTTERSPEED SHUTTERSPEED can download and execute an arbitary executable.109
S0589 Sibot Sibot can download and execute a payload onto a compromised system.59
S0610 SideTwist SideTwist has the ability to download additional files.292
G0121 Sidewinder Sidewinder has used LNK files to download remote files to the victim’s network.398399
G0091 Silence Silence has downloaded additional modules and malware to victim’s machines.386
S0692 SILENTTRINITY SILENTTRINITY can load additional files and tools, including Mimikatz.20
S0468 Skidmap Skidmap has the ability to download files on an infected host.156
S0633 Sliver Sliver can upload files from the C2 server to the victim machine using the upload command.11
S0533 SLOTHFULMEDIA SLOTHFULMEDIA has downloaded files onto a victim machine.119
S0218 SLOWDRIFT SLOWDRIFT downloads additional payloads.109
S0226 Smoke Loader Smoke Loader downloads a new version of itself once it has installed. It also downloads additional plugins.136
S0649 SMOKEDHAM SMOKEDHAM has used Powershell to download UltraVNC and Ngrok from third-party file sharing sites.361
S0627 SodaMaster SodaMaster has the ability to download additional payloads from C2 to the targeted system.67
S0615 SombRAT SombRAT has the ability to download and execute additional payloads.19346318
S0516 SoreFang SoreFang can download additional payloads from C2.9798
S0374 SpeakUp SpeakUp downloads and executes additional files from a remote server. 338
S0646 SpicyOmelette SpicyOmelette can download malicious files from threat actor controlled AWS URL’s.301
S0390 SQLRat SQLRat can make a direct SQL connection to a Microsoft database controlled by the attackers, retrieve an item from the bindata table, then write and execute the file on disk.124
S0380 StoneDrill StoneDrill has downloaded and dropped temporary files containing scripts; it additionally has a function to upload files from the victims machine.253
S0491 StrongPity StrongPity can download files to specified targets.165
S0559 SUNBURST SUNBURST delivered different payloads, including TEARDROP in at least one instance.304
S0663 SysUpdate SysUpdate has the ability to download files to a compromised host.237
G0092 TA505 TA505 has downloaded additional malware to execute on victim systems.381198382
G0127 TA551 TA551 has retrieved DLLs and installer binaries for malware execution from C2.391
S0011 Taidoor Taidoor has downloaded additional files onto a compromised host.306
S0586 TAINTEDSCRIBE TAINTEDSCRIBE can download additional modules from its C2 server.269
S0164 TDTESS TDTESS has a command to download and execute an additional file.229
G0139 TeamTNT TeamTNT has the curl command and batch scripts to download new tools.409
S0595 ThiefQuest ThiefQuest can download and execute payloads in-memory or from disk.95
G0027 Threat Group-3390 Threat Group-3390 has downloaded additional malware and tools, including through the use of certutil, onto a compromised host .145407
S0665 ThreatNeedle ThreatNeedle can download additional tools to enable lateral movement.300
S0668 TinyTurla TinyTurla has the ability to act as a second-stage dropper used to infect the system with additional malware.82
S0671 Tomiris Tomiris can download files and execute them on a victim’s system.130
G0131 Tonto Team Tonto Team has downloaded malicious DLLs which served as a ShadowPad loader.365
S0266 TrickBot TrickBot downloads several additional files and saves them to the victim’s machine.347348
S0094 Trojan.Karagany Trojan.Karagany can upload, download, and execute files on the victim.3536
G0081 Tropic Trooper Tropic Trooper has used a delivered trojan to download additional files.394
S0436 TSCookie TSCookie has the ability to upload and download files to and from the infected host.203
S0647 Turian Turian can download additional files and tools from its C2.311
G0010 Turla Turla has used shellcode to download Meterpreter after compromising a victim.410
S0199 TURNEDUP TURNEDUP is capable of downloading additional files.328
S0263 TYPEFRAME TYPEFRAME can upload and download files to the victim’s machine.329
S0333 UBoatRAT UBoatRAT can upload and download files to the victim’s machine.322
S0130 Unknown Logger Unknown Logger is capable of downloading remote files.265
S0275 UPPERCUT UPPERCUT can download and upload files to and from the victim’s machine.296
S0386 Ursnif Ursnif has dropped payload and configuration files to disk. Ursnif has also been used to download and execute additional payloads.250251
S0476 Valak Valak has downloaded a variety of modules and payloads to the compromised host, including IcedID and NetSupport Manager RAT-based malware.5152
S0636 VaporRage VaporRage has the ability to download malicious shellcode to compromised systems.280
S0207 Vasport Vasport can download files.217
S0442 VBShower VBShower has the ability to download VBS files to the target computer.236
S0257 VERMIN VERMIN can download and upload files to the victim’s machine.247
G0123 Volatile Cedar Volatile Cedar can deploy additional tools.268
S0180 Volgmer Volgmer can download remote files and additional payloads to the victim’s machine.152153154
S0670 WarzoneRAT WarzoneRAT can download and execute additional files.131
S0579 Waterbear Waterbear can receive and load executables from remote C2 servers.255
S0109 WEBC2 WEBC2 can download and execute a file.112
S0515 WellMail WellMail can receive data and executable scripts from C2.299
S0514 WellMess WellMess can write files to a compromised host.113114
S0689 WhisperGate WhisperGate can download additional stages of malware from a Discord CDN channel.313314315316
G0107 Whitefly Whitefly has the ability to download additional tools from the C2.402
S0206 Wiarp Wiarp creates a backdoor through which remote attackers can download files.309
G0112 Windshift Windshift has used tools to deploy additional payloads to compromised hosts.438
S0430 Winnti for Linux Winnti for Linux has the ability to deploy modules directly from command and control (C2) servers, possibly for remote command execution, file exfiltration, and socks5 proxying on the infected host. 155
S0141 Winnti for Windows The Winnti for Windows dropper can place malicious payloads on targeted systems.47
G0044 Winnti Group Winnti Group has downloaded an auxiliary program named ff.exe to infected machines.367
G0090 WIRTE WIRTE has downloaded PowerShell code from the C2 server to be executed.362
S0341 Xbash Xbash can download additional malicious files from its C2 server.166
S0653 xCaon xCaon has a command to download files to the victim’s machine.144
S0658 XCSSET XCSSET downloads browser specific AppleScript modules using a constructed URL with the curl command, https://” & domain & “/agent/scripts/” & moduleName & “.applescript.104
S0388 YAHOYAH YAHOYAH uses HTTP GET requests to download other files that are executed in memory.42
S0251 Zebrocy Zebrocy obtains additional code to execute on the victim’s machine, including the downloading of a secondary payload.242243244245
S0230 ZeroT ZeroT can download additional payloads onto the victim.178
S0330 Zeus Panda Zeus Panda can download additional malware plug-in modules and execute them on the victim’s machine.96
G0128 ZIRCONIUM ZIRCONIUM has used tools to download malicious files to compromised hosts.422
S0086 ZLib ZLib has the ability to download files.50
S0672 Zox Zox can download files to a compromised machine.108
S0412 ZxShell ZxShell has a command to transfer files from a remote host.86


ID Mitigation Description
M1031 Network Intrusion Prevention Network intrusion detection and prevention systems that use network signatures to identify traffic for specific adversary malware or unusual data transfer over known protocols like FTP can be used to mitigate activity at the network level. Signatures are often for unique indicators within protocols and may be based on the specific obfuscation technique used by a particular adversary or tool, and will likely be different across various malware families and versions. Adversaries will likely change tool C2 signatures over time or construct protocols in such a way as to avoid detection by common defensive tools.1


ID Data Source Data Component
DS0022 File File Creation
DS0029 Network Traffic Network Connection Creation


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