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Results for “exfiltration”

128 skills · sorted by relevance

Supports authorized security exercises that test data transfer outside a network. Organizes channel choices, compression, encryption, splitting, and receipt verification, alongside the monitoring signals defenders can use to identify different transfer methods.

  • Comparing data transfer channels for an authorized exercise
  • Planning compression, encryption, and file splitting
  • Verifying received files against SHA-256 records
SnailSploit/Claude-Red7.6KUpdated Oct 13, 2026

Dense methodology covering DNS exfiltration (dnscat2, iodine, dns2tcp), HTTPS tunneling (domain fronting, CDN abuse, legitimate service channels), ICMP tunneling (icmpsh, ptunnel-ng), cloud storage dead drops (S3 presigned URLs, Azure Blob SAS tokens, GCS signed URLs), email-based exfil (SMTP, EWS, draft method), steganography (image, audio, document metadata), encoding/encryption (base64 chunking, XOR, AES), covert channels (custom protocol tunneling, HTTP header encoding, timing channels), and data staging (compression, splitting, encryption). Tools: dnscat2, iodine, dns2tcp, PacketWhisper, chisel, stunnel, icmpsh, ptunnel-ng, steghide, zsteg, OpenStego. MITRE ATT&CK: T1048 (Exfiltration Over Alternative Protocol), T1041 (Exfiltration Over C2 Channel), T1567 (Exfiltration Over Web Service), T1029 (Scheduled Transfer), T1030 (Data Transfer Size Limits), T1132 (Data Encoding), T1001 (Data Obfuscation). Use when planning or executing data exfiltration during authorized red team engagements or post-exploita...

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ajtazer/heckit2Updated Oct 7, 2026

Analyze DNS logs to find signs of hidden data transfers. Use query length, character randomness, traffic volume, and response sizes to identify suspicious domains and support monitoring rules with Python, Suricata, and Splunk examples.

  • Investigating possible data theft through DNS traffic
  • Ranking suspicious domains found in DNS logs
  • Creating DNS tunneling detection rules
mukul975/Anthropic-Cybersecurity-Skills34.7KUpdated Aug 31, 2026

Examine captured network traffic for hidden malware communications in DNS, ICMP, and HTTP. Analyze domain patterns, packet sizes, and traffic frequency to identify suspicious channels used for remote control or data theft.

  • Investigating suspicious DNS, ICMP, or HTTP traffic
  • Hunting for hidden malware control channels in packet captures
  • Assessing possible data theft through unusual network traffic
mukul975/Anthropic-Cybersecurity-Skills34.7KUpdated Aug 31, 2026

Analyze Zeek DNS logs for possible data theft hidden in domain queries. The skill examines unusual character patterns, long labels, distinct subdomains, and query volume, then ranks suspicious domains and produces a JSON evidence report.

  • Investigating suspected DNS tunneling
  • Finding possible data leaks hidden in DNS queries
  • Ranking suspicious domains and identifying source IPs
mukul975/Anthropic-Cybersecurity-Skills34.7KUpdated Aug 31, 2026

Analyze Zeek and NetFlow records for ransomware-related activity, including regular callbacks to attacker infrastructure, TOR connections, and possible data exfiltration. Combine indicators into risk scores and structured reports with timelines to support threat hunting and incident investigation.

  • Hunting for active ransomware network activity
  • Investigating possible data theft before encryption
  • Checking periodic callbacks and TOR connections
mukul975/Anthropic-Cybersecurity-Skills34.7KUpdated Aug 31, 2026

Test organizational egress controls by executing various data exfiltration techniques during a red team engagement. Use this skill to simulate an adversary attempting to steal sensitive data without triggering DLP (Data Loss Prevention) or network monitoring alerts. Covers exfiltration over DNS, ICMP, HTTP/S, alternative protocols (SSH/FTP), cloud services, and physical methods.

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ShulkwiSEC/bb-huge23Updated Jul 11, 2026

Detects DNS-based tunneling and data exfiltration in DNS logs: scoring high query volume to single domains, long/high-entropy subdomains, unusual record types, and encoded payload labels. Activates for requests to hunt DNS tunneling, detect DNS exfiltration, or analyze suspicious DNS query patterns.

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meltedinhex/analyst-ai-pack22Updated Jul 7, 2026

Detect data exfiltration through DNS tunneling by analyzing query entropy, subdomain length, query volume, TXT record abuse, and response payload sizes using passive DNS monitoring.

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andycungkrinx91/konoha9Updated Oct 19, 2026

Detect and analyze covert communication channels used by malware including DNS tunneling, ICMP exfiltration, steganographic HTTP, and protocol abuse for C2 and data exfiltration.

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andycungkrinx91/konoha9Updated Oct 19, 2026

Detect data exfiltration through DNS tunneling by analyzing query entropy, subdomain length, query volume, TXT record abuse, and response payload sizes using passive DNS monitoring.

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micsapp/micstec-skills4Updated Mar 20, 2026

Detect and analyze covert communication channels used by malware including DNS tunneling, ICMP exfiltration, steganographic HTTP, and protocol abuse for C2 and data exfiltration.

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micsapp/micstec-skills4Updated Mar 20, 2026

Detect data exfiltration through DNS tunneling by analyzing query entropy, subdomain length, query volume, TXT record abuse, and response payload sizes using passive DNS monitoring.

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aniket2348823/Vul-Agent2Updated Jun 9, 2026

Detect and analyze covert communication channels used by malware including DNS tunneling, ICMP exfiltration, steganographic HTTP, and protocol abuse for C2 and data exfiltration.

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aniket2348823/Vul-Agent2Updated Jun 9, 2026

Investigate suspected data theft from AWS S3 by comparing access logs, GuardDuty findings, and Macie classifications. Identify unusual bulk downloads and transfers across accounts, assess sensitive data exposure, and build automated detection rules.

  • Investigating unusual bulk downloads from S3
  • Checking transfers to external AWS accounts
  • Assessing exposure of sensitive data
mukul975/Anthropic-Cybersecurity-Skills34.7KUpdated Aug 31, 2026

Analyze endpoint, cloud storage, and email logs for signs of insider data theft. Use pandas to compare upload volumes with normal user behavior and examine data loss prevention alerts, unusual file access, and activity outside working hours.

  • Investigating suspected insider data theft
  • Finding users with unusually large uploads
  • Reviewing file access outside working hours
mukul975/Anthropic-Cybersecurity-Skills34.7KUpdated Aug 31, 2026

Analyze DNS query logs for signs of hidden data transfers and attacker command channels. This skill uses unusual name lengths, randomness, and traffic volumes, then correlates findings with endpoint processes and estimates possible data loss.

  • Investigating suspected data theft through DNS
  • Finding algorithmically generated domains used by malware
  • Reviewing hosts with unusually high DNS query volumes
mukul975/Anthropic-Cybersecurity-Skills34.7KUpdated Aug 31, 2026

Test whether a browsing AI agent follows fake security verification instructions that expose stored personal information through URL paths. Examine chained navigation, memory disclosure, and constructed URLs, then document confirmed findings with evidence and mitigation suggestions.

  • Test a browsing agent's handling of malicious page instructions
  • Check whether stored personal data appears in URL paths
  • Inspect compliance with fake security verification pages
Tencent/AI-Infra-Guard6.9KUpdated Oct 19, 2026

Test Retrieval-Augmented Generation (RAG) systems for data poisoning, prompt injection via retrieved documents, and data exfiltration through manipulated context windows. Use this skill when assessing RAG-based chatbots, knowledge bases, enterprise AI assistants, or any system that augments LLM responses with external document retrieval. Covers document injection, embedding manipulation, knowledge base poisoning, and cross-document inference attacks.

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ShulkwiSEC/bb-huge23Updated Jul 11, 2026

Hunts for pre-exfiltration data staging and archiving by detecting archive-tool execution (rar, 7z, zip, tar), large compressed files written to staging directories, and collection into a single location before transfer. Activates for requests to hunt data staging, detect pre-exfil archiving, or find collection and compression before exfiltration.

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meltedinhex/analyst-ai-pack22Updated Jul 7, 2026

Analyzes infostealer samples by mapping the browser, credential store, wallet, and application paths they target, and the exfiltration channel used, from static strings and behavior. Activates for requests to analyze an infostealer, identify targeted credential stores, or map stealer collection and exfiltration behavior.

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meltedinhex/analyst-ai-pack22Updated Jul 7, 2026

Detect DNS-based data exfiltration by analyzing Zeek dns.log for high-entropy subdomains and anomalous query patterns

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andycungkrinx91/konoha9Updated Oct 19, 2026

Detects insider data exfiltration by analyzing DLP policy violations, file access patterns, upload volume anomalies, and off-hours activity in endpoint and cloud logs. Uses pandas for behavioral analytics and statistical baselines. Use when investigating insider threats or building user behavior analytics for data loss prevention.

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andycungkrinx91/konoha9Updated Oct 19, 2026

Detecting data exfiltration attempts from AWS S3 buckets by analyzing CloudTrail S3 data events, VPC Flow Logs, GuardDuty findings, Amazon Macie alerts, and S3 access patterns to identify unauthorized bulk downloads and cross-account data transfers.

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andycungkrinx91/konoha9Updated Oct 19, 2026