ATT&CKProcedure examples

Procedure examples

Real-world descriptions of how a group, tool or campaign used a technique.

Technique: T1030×

14 examples

TechniqueUsed byProcedure example
T1030
Data Transfer Size Limits
MalwareAppleSeed

AppleSeed has divided files if the size is 0x1000000 bytes or more.

T1030
Data Transfer Size Limits
MalwareRDAT

RDAT can upload a file via HTTP POST response to the C2 split into 102,400-byte portions. RDAT can also download data from the C2 which is split into 81,920-byte portions.

T1030
Data Transfer Size Limits
MalwareObliqueRAT

ObliqueRAT can break large files of interest into smaller chunks to prepare them for exfiltration.

T1030
Data Transfer Size Limits
MalwarePOSHSPY

POSHSPY uploads data in 2048-byte chunks.

T1030
Data Transfer Size Limits
MalwareCarbanak

Carbanak exfiltrates data in compressed chunks if a message is larger than 4096 bytes .

T1030
Data Transfer Size Limits
MalwareOopsIE

OopsIE exfiltrates command output and collected files to its C2 server in 1500-byte blocks.

T1030
Data Transfer Size Limits
MalwareCobalt Strike

Cobalt Strike will break large data sets into smaller chunks for exfiltration.

T1030
Data Transfer Size Limits
MalwareKessel

Kessel can split the data to be exilftrated into chunks that will fit in subdomains of DNS queries.

T1030
Data Transfer Size Limits
MalwareStealBit

StealBit can be configured to exfiltrate files at a specified rate to evade network detection mechanisms.

T1030
Data Transfer Size Limits
MalwareLunarWeb

LunarWeb can split exfiltrated data that exceeds 1.33 MB in size into multiple random sized parts between 384 and 512 KB.

T1030
Data Transfer Size Limits
MalwareKevin

Kevin can exfiltrate data to the C2 server in 27-character chunks.

T1030
Data Transfer Size Limits
MalwareHelminth

Helminth splits data into chunks up to 23 bytes and sends the data in DNS queries to its C2 server.

T1030
Data Transfer Size Limits
ToolRclone

The Rclone "chunker" overlay supports splitting large files in smaller chunks during upload to circumvent size limits.

T1030
Data Transfer Size Limits
ToolMythic

Mythic supports custom chunk sizes used to upload/download files.

Data from MITRE ATT&CK® (Enterprise). ATT&CK® is a registered trademark of The MITRE Corporation.