diff --git a/src/SUMMARY.md b/src/SUMMARY.md index edddf45ba..52e7cc8b6 100644 --- a/src/SUMMARY.md +++ b/src/SUMMARY.md @@ -37,6 +37,7 @@ - [Mobile Phishing Malicious Apps](generic-methodologies-and-resources/phishing-methodology/mobile-phishing-malicious-apps.md) - [Phishing Files & Documents](generic-methodologies-and-resources/phishing-methodology/phishing-documents.md) - [Basic Forensic Methodology](generic-methodologies-and-resources/basic-forensic-methodology/README.md) + - [Adaptixc2 Config Extraction And Ttps](generic-methodologies-and-resources/basic-forensic-methodology/adaptixc2-config-extraction-and-ttps.md) - [Baseline Monitoring](generic-methodologies-and-resources/basic-forensic-methodology/file-integrity-monitoring.md) - [Anti-Forensic Techniques](generic-methodologies-and-resources/basic-forensic-methodology/anti-forensic-techniques.md) - [Docker Forensics](generic-methodologies-and-resources/basic-forensic-methodology/docker-forensics.md) @@ -130,6 +131,7 @@ - [Seccomp](linux-hardening/privilege-escalation/docker-security/seccomp.md) - [Weaponizing Distroless](linux-hardening/privilege-escalation/docker-security/weaponizing-distroless.md) - [Escaping from Jails](linux-hardening/privilege-escalation/escaping-from-limited-bash.md) + - [Posix Cpu Timers Toctou Cve 2025 38352](linux-hardening/privilege-escalation/linux-kernel-exploitation/posix-cpu-timers-toctou-cve-2025-38352.md) - [euid, ruid, suid](linux-hardening/privilege-escalation/euid-ruid-suid.md) - [Interesting Groups - Linux Privesc](linux-hardening/privilege-escalation/interesting-groups-linux-pe/README.md) - [lxd/lxc Group - Privilege escalation](linux-hardening/privilege-escalation/interesting-groups-linux-pe/lxd-privilege-escalation.md) @@ -771,7 +773,7 @@ - [Stack Shellcode - arm64](binary-exploitation/stack-overflow/stack-shellcode/stack-shellcode-arm64.md) - [Stack Pivoting - EBP2Ret - EBP chaining](binary-exploitation/stack-overflow/stack-pivoting-ebp2ret-ebp-chaining.md) - [Uninitialized Variables](binary-exploitation/stack-overflow/uninitialized-variables.md) - - [ROP and JOP](binary-exploitation/rop-return-oriented-programing/README.md) + - [ROP & JOP](binary-exploitation/rop-return-oriented-programing/README.md) - [BROP - Blind Return Oriented Programming](binary-exploitation/rop-return-oriented-programing/brop-blind-return-oriented-programming.md) - [Ret2csu](binary-exploitation/rop-return-oriented-programing/ret2csu.md) - [Ret2dlresolve](binary-exploitation/rop-return-oriented-programing/ret2dlresolve.md) @@ -840,6 +842,7 @@ - [WWW2Exec - GOT/PLT](binary-exploitation/arbitrary-write-2-exec/aw2exec-got-plt.md) - [WWW2Exec - \_\_malloc_hook & \_\_free_hook](binary-exploitation/arbitrary-write-2-exec/aw2exec-__malloc_hook.md) - [Common Exploiting Problems](binary-exploitation/common-exploiting-problems.md) +- [Linux kernel exploitation - toctou](binary-exploitation/linux-kernel-exploitation/posix-cpu-timers-toctou-cve-2025-38352.md) - [Windows Exploiting (Basic Guide - OSCP lvl)](binary-exploitation/windows-exploiting-basic-guide-oscp-lvl.md) - [iOS Exploiting](binary-exploitation/ios-exploiting/README.md) - [ios CVE-2020-27950-mach_msg_trailer_t](binary-exploitation/ios-exploiting/CVE-2020-27950-mach_msg_trailer_t.md) @@ -937,6 +940,4 @@ - [Stealing Sensitive Information Disclosure from a Web](todo/stealing-sensitive-information-disclosure-from-a-web.md) - [Post Exploitation](todo/post-exploitation.md) - [Investment Terms](todo/investment-terms.md) -- [Cookies Policy](todo/cookies-policy.md) - - - [Posix Cpu Timers Toctou Cve 2025 38352](linux-hardening/privilege-escalation/linux-kernel-exploitation/posix-cpu-timers-toctou-cve-2025-38352.md) \ No newline at end of file +- [Cookies Policy](todo/cookies-policy.md) \ No newline at end of file diff --git a/src/generic-methodologies-and-resources/basic-forensic-methodology/adaptixc2-config-extraction-and-ttps.md b/src/generic-methodologies-and-resources/basic-forensic-methodology/adaptixc2-config-extraction-and-ttps.md new file mode 100644 index 000000000..0e6395c9f --- /dev/null +++ b/src/generic-methodologies-and-resources/basic-forensic-methodology/adaptixc2-config-extraction-and-ttps.md @@ -0,0 +1,243 @@ +# AdaptixC2 Configuration Extraction और TTPs + +{{#include ../../banners/hacktricks-training.md}} + +AdaptixC2 एक modular, open‑source post‑exploitation/C2 framework है जिसमें Windows x86/x64 beacons (EXE/DLL/service EXE/raw shellcode) और BOF support शामिल हैं। यह पृष्ठ दस्तावेज़ करता है: +- यह बताना कि इसकी RC4‑packed configuration कैसे embedded है और beacons से इसे कैसे extract किया जाए +- HTTP/SMB/TCP listeners के लिए Network/profile indicators +- वास्तविक दुनिया में देखे गए सामान्य loader और persistence TTPs, साथ ही relevant Windows technique pages के लिंक + +## Beacon profiles and fields + +AdaptixC2 तीन मुख्य beacon प्रकारों का समर्थन करता है: +- BEACON_HTTP: web C2 जिसमें configurable servers/ports/SSL, method, URI, headers, user‑agent, और एक custom parameter name शामिल हैं +- BEACON_SMB: named‑pipe peer‑to‑peer C2 (intranet) +- BEACON_TCP: direct sockets, वैकल्पिक रूप से protocol start को obfuscate करने के लिए prepended marker के साथ + +HTTP beacon configs में सामान्यतः देखे जाने वाले profile fields (decryption के बाद): +- agent_type (u32) +- use_ssl (bool) +- servers_count (u32), servers (array of strings), ports (array of u32) +- http_method, uri, parameter, user_agent, http_headers (length‑prefixed strings) +- ans_pre_size (u32), ans_size (u32) – used to parse response sizes +- kill_date (u32), working_time (u32) +- sleep_delay (u32), jitter_delay (u32) +- listener_type (u32) +- download_chunk_size (u32) + +Example default HTTP profile (from a beacon build): +```json +{ +"agent_type": 3192652105, +"use_ssl": true, +"servers_count": 1, +"servers": ["172.16.196.1"], +"ports": [4443], +"http_method": "POST", +"uri": "/uri.php", +"parameter": "X-Beacon-Id", +"user_agent": "Mozilla/5.0 (Windows NT 6.2; rv:20.0) Gecko/20121202 Firefox/20.0", +"http_headers": "\r\n", +"ans_pre_size": 26, +"ans_size": 47, +"kill_date": 0, +"working_time": 0, +"sleep_delay": 2, +"jitter_delay": 0, +"listener_type": 0, +"download_chunk_size": 102400 +} +``` +देखी गई दुर्भावनापूर्ण HTTP प्रोफ़ाइल (वास्तविक हमला): +```json +{ +"agent_type": 3192652105, +"use_ssl": true, +"servers_count": 1, +"servers": ["tech-system[.]online"], +"ports": [443], +"http_method": "POST", +"uri": "/endpoint/api", +"parameter": "X-App-Id", +"user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.6167.160 Safari/537.36", +"http_headers": "\r\n", +"ans_pre_size": 26, +"ans_size": 47, +"kill_date": 0, +"working_time": 0, +"sleep_delay": 4, +"jitter_delay": 0, +"listener_type": 0, +"download_chunk_size": 102400 +} +``` +## एन्क्रिप्टेड कॉन्फ़िगरेशन पैकिंग और लोड पाथ + +जब ऑपरेटर बिल्डर में Create पर क्लिक करता है, AdaptixC2 एन्क्रिप्टेड प्रोफ़ाइल को beacon में एक tail blob के रूप में एम्बेड कर देता है। फॉर्मेट है: +- 4 bytes: कॉन्फ़िगरेशन का आकार (uint32, little‑endian) +- N bytes: RC4‑एन्क्रिप्टेड कॉन्फ़िगरेशन डेटा +- 16 bytes: RC4 कुंजी + +beacon loader अंत से 16‑byte कुंजी को कॉपी करता है और N‑byte ब्लॉक को उसी स्थान पर RC4‑decrypt करता है: +```c +ULONG profileSize = packer->Unpack32(); +this->encrypt_key = (PBYTE) MemAllocLocal(16); +memcpy(this->encrypt_key, packer->data() + 4 + profileSize, 16); +DecryptRC4(packer->data()+4, profileSize, this->encrypt_key, 16); +``` +व्यावहारिक निहितार्थ: +- पूरी संरचना अक्सर PE .rdata सेक्शन के अंदर रहती है। +- निकासी निश्चित है: size पढ़ें, उस size के ciphertext को पढ़ें, तुरंत बाद रखी गई 16‑byte key पढ़ें, फिर RC4‑decrypt करें। + +## कॉन्फ़िगरेशन निकासी वर्कफ़्लो (रक्षा करने वाले) + +ऐसा extractor लिखें जो beacon logic की नकल करे: +1) PE के अंदर blob को खोजें (आमतौर पर .rdata)। एक व्यावहारिक तरीका यह है कि .rdata को संभावित [size|ciphertext|16‑byte key] लेआउट के लिए स्कैन करें और RC4 आजमाएँ। +2) पहले 4 bytes पढ़ें → size (uint32 LE). +3) अगले N=size bytes पढ़ें → ciphertext. +4) अंतिम 16 bytes पढ़ें → RC4 key. +5) ciphertext को RC4‑decrypt करें। फिर plain profile को इस तरह parse करें: +- u32/boolean scalars जैसा ऊपर बताया गया +- length‑prefixed strings (u32 length के बाद bytes; trailing NUL मौजूद हो सकता है) +- arrays: servers_count के बाद उतने [string, u32 port] जोड़े + +Minimal Python proof‑of‑concept (standalone, no external deps) जो pre‑extracted blob के साथ काम करता है: +```python +import struct +from typing import List, Tuple + +def rc4(key: bytes, data: bytes) -> bytes: +S = list(range(256)) +j = 0 +for i in range(256): +j = (j + S[i] + key[i % len(key)]) & 0xFF +S[i], S[j] = S[j], S[i] +i = j = 0 +out = bytearray() +for b in data: +i = (i + 1) & 0xFF +j = (j + S[i]) & 0xFF +S[i], S[j] = S[j], S[i] +K = S[(S[i] + S[j]) & 0xFF] +out.append(b ^ K) +return bytes(out) + +class P: +def __init__(self, buf: bytes): +self.b = buf; self.o = 0 +def u32(self) -> int: +v = struct.unpack_from(' int: +v = self.b[self.o]; self.o += 1; return v +def s(self) -> str: +L = self.u32(); s = self.b[self.o:self.o+L]; self.o += L +return s[:-1].decode('utf-8','replace') if L and s[-1] == 0 else s.decode('utf-8','replace') + +def parse_http_cfg(plain: bytes) -> dict: +p = P(plain) +cfg = {} +cfg['agent_type'] = p.u32() +cfg['use_ssl'] = bool(p.u8()) +n = p.u32() +cfg['servers'] = [] +cfg['ports'] = [] +for _ in range(n): +cfg['servers'].append(p.s()) +cfg['ports'].append(p.u32()) +cfg['http_method'] = p.s() +cfg['uri'] = p.s() +cfg['parameter'] = p.s() +cfg['user_agent'] = p.s() +cfg['http_headers'] = p.s() +cfg['ans_pre_size'] = p.u32() +cfg['ans_size'] = p.u32() + cfg['ans_pre_size'] +cfg['kill_date'] = p.u32() +cfg['working_time'] = p.u32() +cfg['sleep_delay'] = p.u32() +cfg['jitter_delay'] = p.u32() +cfg['listener_type'] = 0 +cfg['download_chunk_size'] = 0x19000 +return cfg + +# Usage (when you have [size|ciphertext|key] bytes): +# blob = open('blob.bin','rb').read() +# size = struct.unpack_from('